Life Track II Build/Wheel Mount Construction Video Script - Revision history

Marcin: Redirected page to Wheel and Wheel Motor Mounting Procedure

2011-10-04T04:55:56Z

Redirected page to Wheel and Wheel Motor Mounting Procedure

← Older revision		Revision as of 04:55, 4 October 2011
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			#Redirect [[Wheel and Wheel Motor Mounting Procedure]]

	The LifeTrac Tractor wheel mount assembly is constructed from: (1), two wheel mount plates measuring 8 by 10 inches, 1/2 inch thick, with a flange bearing assembly, a 3” shaft hole, and two 3/4 inch bolt holes at the top; (2), the motor mount plate which measures 10 by 8 inches, 1/2 inch thick, with two 3/4 inch bolt holes and a 3 inch shaft hole; (3), the hydraulic motor assembly that includes a 6 by 8 inch, 1/2 inch thick hydraulic motor interface plate, and a coupler for the shaft with a female 6-spline coupler; and (4), a wheel assembly including a 16” truck wheel + a 1-7/8” diameter shaft with a bolt-hole at one end and a male 6-spline coupler at the other end + three double split lock collars, two large washers with a 1-7/8 inch inner diameter, and a three-quarter inch bolt, 4-1/2” long, for securing the wheel. See CAM files for exact geometry of plates.		The LifeTrac Tractor wheel mount assembly is constructed from: (1), two wheel mount plates measuring 8 by 10 inches, 1/2 inch thick, with a flange bearing assembly, a 3” shaft hole, and two 3/4 inch bolt holes at the top; (2), the motor mount plate which measures 10 by 8 inches, 1/2 inch thick, with two 3/4 inch bolt holes and a 3 inch shaft hole; (3), the hydraulic motor assembly that includes a 6 by 8 inch, 1/2 inch thick hydraulic motor interface plate, and a coupler for the shaft with a female 6-spline coupler; and (4), a wheel assembly including a 16” truck wheel + a 1-7/8” diameter shaft with a bolt-hole at one end and a male 6-spline coupler at the other end + three double split lock collars, two large washers with a 1-7/8 inch inner diameter, and a three-quarter inch bolt, 4-1/2” long, for securing the wheel. See CAM files for exact geometry of plates.
	(Shonda: please generate an exploded part diagram for the wheel shaft assembly. Make the shaft 28” long. You can also find supporting cut list information at http://opensourceecology.org/wiki/April_2011_Production_Run_BOM . For example, the wheel shafts are 28” long.		(Shonda: please generate an exploded part diagram for the wheel shaft assembly. Make the shaft 28” long. You can also find supporting cut list information at http://opensourceecology.org/wiki/April_2011_Production_Run_BOM . For example, the wheel shafts are 28” long.

Marcin at 04:52, 4 October 2011

2011-10-04T04:52:33Z

← Older revision		Revision as of 04:52, 4 October 2011
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	The LifeTrac Tractor wheel mount assembly is constructed from: (1), two wheel mount plates measuring 8 by 10 inches, 1/2 inch thick, with a flange bearing assembly, a 3” shaft hole, and two 3/4 inch bolt holes at the top; (2), the motor mount plate which measures 10 by 8 inches, 1/2 inch thick, with two 3/4 inch bolt holes and a 3 inch shaft hole; (3), the hydraulic motor assembly that includes a 6 by 8 inch, 1/2 inch thick hydraulic motor interface plate, and a coupler for the shaft with a female 6-spline coupler; and (4), a wheel assembly including a 16” truck wheel + a 1-7/8” diameter shaft with a bolt-hole at one end and a male 6-spline coupler at the other end + three double split lock collars, two large washers with a 1-7/8 inch inner diameter, and a three-quarter inch bolt, 4-1/2” long, for securing the wheel. See CAM files for exact geometry of plates.		The LifeTrac Tractor wheel mount assembly is constructed from: (1), two wheel mount plates measuring 8 by 10 inches, 1/2 inch thick, with a flange bearing assembly, a 3” shaft hole, and two 3/4 inch bolt holes at the top; (2), the motor mount plate which measures 10 by 8 inches, 1/2 inch thick, with two 3/4 inch bolt holes and a 3 inch shaft hole; (3), the hydraulic motor assembly that includes a 6 by 8 inch, 1/2 inch thick hydraulic motor interface plate, and a coupler for the shaft with a female 6-spline coupler; and (4), a wheel assembly including a 16” truck wheel + a 1-7/8” diameter shaft with a bolt-hole at one end and a male 6-spline coupler at the other end + three double split lock collars, two large washers with a 1-7/8 inch inner diameter, and a three-quarter inch bolt, 4-1/2” long, for securing the wheel. See CAM files for exact geometry of plates.
	(Shonda: please generate an exploded part diagram for the wheel shaft assembly. Make the shaft 28” long. You can also find supporting cut list information at http://opensourceecology.org/wiki/April_2011_Production_Run_BOM . For example, the wheel shafts are 28” long.		(Shonda: please generate an exploded part diagram for the wheel shaft assembly. Make the shaft 28” long. You can also find supporting cut list information at http://opensourceecology.org/wiki/April_2011_Production_Run_BOM . For example, the wheel shafts are 28” long.

	This video covers the current (as of October, 2011) LifeTrac III prototype at Factor e Farm. I will refer to the orientation of the pieces as if we were sitting in the drivers seat of the LifeTrac: north is to the front end where the loader will be attached, south is behind us at the back of the tractor, west is on our left hand side and east is on our right hand side. All lateral measurements are from left to right, all measurements of depth are from front to back, and all measurements of height are from top to bottom. Each hole center is measured from the left or top edge of the plate to accommodate for inaccurate material dimensions. Pay careful attention to only measure from the top and left reference point. Do not attempt to convert and measure locations from the right nor bottom, as even slight inaccuracies can prevent bolts from aligning properly between pieces and create overall alignment problems which can make the construction fail or lead to catastrophic failure during operation of the LifeTrac that could result not only in serious damage to the tractor, but injury to the operator. Construction of sub-assemblies in this video (such as preparation of the shaft itself, the mounting plates and the wheel assembly) will be covered in detail in other videos. CAD and CAM files are already available for these assemblies on the open+pario project-hosting website which can be used with the torch table to automatically and precisely prepare these components. See http://openpario.mime.oregonstate.edu/documents/1237		This video covers the current (as of October, 2011) LifeTrac III prototype at Factor e Farm. I will refer to the orientation of the pieces as if we were sitting in the drivers seat of the LifeTrac: north is to the front end where the loader will be attached, south is behind us at the back of the tractor, west is on our left hand side and east is on our right hand side. All lateral measurements are from left to right, all measurements of depth are from front to back, and all measurements of height are from top to bottom. Each hole center is measured from the left or top edge of the plate to accommodate for inaccurate material dimensions. Pay careful attention to only measure from the top and left reference point. Do not attempt to convert and measure locations from the right nor bottom, as even slight inaccuracies can prevent bolts from aligning properly between pieces and create overall alignment problems which can make the construction fail or lead to catastrophic failure during operation of the LifeTrac that could result not only in serious damage to the tractor, but injury to the operator. Construction of sub-assemblies in this video (such as preparation of the shaft itself, the mounting plates and the wheel assembly) will be covered in detail in other videos. CAD and CAM files are already available for these assemblies on the open+pario project-hosting website which can be used with the torch table to automatically and precisely prepare these components. See http://openpario.mime.oregonstate.edu/documents/1237

	The LifeTrac III assembly process involves some welding of mounting plates to the LifeTrac frame; however, the next version of LifeTrac will have a fully modular wheel mount assembly that will be readily detachable with only 4-6 bolts, eliminating the welding in the current version that limits the interchangeability of the wheel assembly between different machines. This will greatly enhance the serviceability of the LifeTrac, allowing a wheel mount assembly to be swapped readily with another LifeTrac or another Global Village Construction Set machine that also uses driven wheels, such as Microtractor , Combine, Truck, or Bulldozer). This will readily align this component with the overall GVCS strategy of simplicity and ease of service through radical hyper-modularity.		The LifeTrac III assembly process involves some welding of mounting plates to the LifeTrac frame; however, the next version of LifeTrac will have a fully modular wheel mount assembly that will be readily detachable with only 4-6 bolts, eliminating the welding in the current version that limits the interchangeability of the wheel assembly between different machines. This will greatly enhance the serviceability of the LifeTrac, allowing a wheel mount assembly to be swapped readily with another LifeTrac or another Global Village Construction Set machine that also uses driven wheels, such as Microtractor , Combine, Truck, or Bulldozer). This will readily align this component with the overall GVCS strategy of simplicity and ease of service through radical hyper-modularity.

	Prop the tractor up on blocks to allow the mounting plates to be attached to the frame. Mount the wheel mounting plates onto the frame by aligning the two bolt holes on the base plates of the wheel mount assemblies to the matching bolt holes at 13 and 17 inches for front wheels or 63 and 67 inches for the back wheels, as measured from the front of the north/south frame members. Attach each wheel mounting plate onto the frame with two 3/4 inch bolts (how long?), with the bearings facing outwards.		Prop the tractor up on blocks to allow the mounting plates to be attached to the frame. Mount the wheel mounting plates onto the frame by aligning the two bolt holes on the base plates of the wheel mount assemblies to the matching bolt holes at 13 and 17 inches for front wheels or 63 and 67 inches for the back wheels, as measured from the front of the north/south frame members. Attach each wheel mounting plate onto the frame with two 3/4 inch bolts (how long?), with the bearings facing outwards.

	Insert the wheel shaft through the outer bearing (on the outer side of the outer lower north/south frame member); slide the two large washers onto the shaft after you pass it through the outer bearing. Continue inserting the shaft through the inner bearing until the male 6-spline coupler is sufficiently far to attach the hydraulic motor assembly with motor mounting plate to the coupler.		Insert the wheel shaft through the outer bearing (on the outer side of the outer lower north/south frame member); slide the two large washers onto the shaft after you pass it through the outer bearing. Continue inserting the shaft through the inner bearing until the male 6-spline coupler is sufficiently far to attach the hydraulic motor assembly with motor mounting plate to the coupler.

	The hydraulic motor assembly consists of the hydraulic motor welded to the motor interface plate. The motor interface plate allows for the easy mounting of the hydraulic motor to their respective machines by means of two, ¾” bolts, as opposed to mounting via 4 smaller, harder to access 1/2” bolts on the hydraulic motor. This unit is attached to the motor mounting plate by means of 2 bolts, 3/4”x2” long, including a washer and lock washer.		The hydraulic motor assembly consists of the hydraulic motor welded to the motor interface plate. The motor interface plate allows for the easy mounting of the hydraulic motor to their respective machines by means of two, ¾” bolts, as opposed to mounting via 4 smaller, harder to access 1/2” bolts on the hydraulic motor. This unit is attached to the motor mounting plate by means of 2 bolts, 3/4”x2” long, including a washer and lock washer.
	Install female 6-spline coupler of the motor assembly onto the male 6-spline coupler of the shaft. Make sure to insert the male 6-spline into the female completely, so there is no more than 1/8” separation between the female coupler and the shaft face. Adjust the coupling such that the motor assembly mount plate can be welded to the vertical frame member.		Install female 6-spline coupler of the motor assembly onto the male 6-spline coupler of the shaft. Make sure to insert the male 6-spline into the female completely, so there is no more than 1/8” separation between the female coupler and the shaft face. Adjust the coupling such that the motor assembly mount plate can be welded to the vertical frame member.

	When the 6-spline coupling is connected as such, there is complete alignment between the shaft and the motor assembly. Tack weld the motor assembly mount plate onto the vertical frame while maintaining alignment. Finish the weld thoroughly. As mentioned, this weld will be done away with in a future iteration of the LifeTrac to make the entire wheel assembly modular, but a previous build lacking a welded mount resulted in a broken shaft when a bolt came loose, so this iteration of the LifeTrac includes the weld to prevent such damage.		When the 6-spline coupling is connected as such, there is complete alignment between the shaft and the motor assembly. Tack weld the motor assembly mount plate onto the vertical frame while maintaining alignment. Finish the weld thoroughly. As mentioned, this weld will be done away with in a future iteration of the LifeTrac to make the entire wheel assembly modular, but a previous build lacking a welded mount resulted in a broken shaft when a bolt came loose, so this iteration of the LifeTrac includes the weld to prevent such damage.

	On the outside (wheel) end of the shaft, mount the wheel onto the shaft, rotate as necessary to align the bolt through-holes of the wheel assembly with the matching bolt hole at the end of the shaft and secure with a 3/4 inch bolt, 4-1/2” long.		On the outside (wheel) end of the shaft, mount the wheel onto the shaft, rotate as necessary to align the bolt through-holes of the wheel assembly with the matching bolt hole at the end of the shaft and secure with a 3/4 inch bolt, 4-1/2” long.

	Grease the two 1-7/8” washers, and secure these with the double-split collar using allen wrenches - to prevent the shaft from moving outwards. Add two more double split collars – one outside the outer bearing, and one outside the inner bearing – to prevent the shaft from moving inwards. Grease the grease fittings on each bearing.		Grease the two 1-7/8” washers, and secure these with the double-split collar using allen wrenches - to prevent the shaft from moving outwards. Add two more double split collars – one outside the outer bearing, and one outside the inner bearing – to prevent the shaft from moving inwards. Grease the grease fittings on each bearing.
	Repeat this procedure for each wheel. When all the wheels are mounted – tack the wheel mount plates to the frame as backup for any bolts getting loose. This tack weld should be removable easily with a grinder as necessary for service.		Repeat this procedure for each wheel. When all the wheels are mounted – tack the wheel mount plates to the frame as backup for any bolts getting loose. This tack weld should be removable easily with a grinder as necessary for service.

Marcin at 04:50, 4 October 2011

2011-10-04T04:50:42Z

← Older revision		Revision as of 04:50, 4 October 2011
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	The LifeTrac Tractor wheel mount assembly is constructed from two wheel mount plates measuring 8 by 10 by 1/2 ~~inches for the base plate which has already been attached to~~ a flange bearing assembly and ~~includes~~ two 3/4 inch bolt holes at the top, the motor mount plate which measures 10 by 8 by 1/2 ~~inches and has~~ two 3/4 inch bolt holes and a 3 inch shaft hole, ~~and~~ the hydraulic motor assembly that includes a 6 by 8 by 1/2 inch ~~steel plate called the quick attach plate or~~ hydraulic motor interface plate and a coupler for the shaft with a female 6-spline, a wheel assembly including a ~~T245/R16~~ wheel, a ~~shaft~~ 1 7/~~8 inches in~~ diameter ~~previously prepared including~~ a bolt-hole at one end and male 6-spline at the other end, three double split lock collars, two large washers with 1 7/8 inch inner diameter, and ~~six~~ three-quarter inch ~~bolts~~.		The LifeTrac Tractor wheel mount assembly is constructed from: (1), two wheel mount plates measuring 8 by 10 inches, 1/2 inch thick, with a flange bearing assembly, a 3” shaft hole, and two 3/4 inch bolt holes at the top; (2), the motor mount plate which measures 10 by 8 inches, 1/2 inch thick, with two 3/4 inch bolt holes and a 3 inch shaft hole; (3), the hydraulic motor assembly that includes a 6 by 8 inch, 1/2 inch thick hydraulic motor interface plate, and a coupler for the shaft with a female 6-spline coupler; and (4), a wheel assembly including a 16” truck wheel + a 1-7/8” diameter shaft with a bolt-hole at one end and a male 6-spline coupler at the other end + three double split lock collars, two large washers with a 1-7/8 inch inner diameter, and a three-quarter inch bolt, 4-1/2” long, for securing the wheel. See CAM files for exact geometry of plates.
			(Shonda: please generate an exploded part diagram for the wheel shaft assembly. Make the shaft 28” long. You can also find supporting cut list information at http://opensourceecology.org/wiki/April_2011_Production_Run_BOM . For example, the wheel shafts are 28” long.
	This video ~~includes the most updated measurements and procedures for~~ the LifeTrac III ~~prototypes on the~~ Factor e Farm. I will refer to the orientation of the pieces as if we were sitting in the drivers seat of the LifeTrac: north is to the front end where the loader will be attached, south is behind us at the back of the tractor, west is on our left hand side and east is on our right hand side. All lateral measurements are from left to right, all measurements of depth are from front to back, and all measurements of height are from top to bottom. Each hole center is measured from the left or top edge of the plate to accommodate for inaccurate material dimensions. Pay careful attention to only measure from the top and left reference point. Do not attempt to convert and measure locations from the right nor bottom, as even slight inaccuracies can prevent bolts from aligning properly between pieces and create overall alignment problems which can make the construction fail or lead to catastrophic failure during operation of the LifeTrac that could result not only in serious damage to the tractor, but injury to the operator. Construction of sub-assemblies in this video (such as preparation of the shaft itself, the mounting plates and the wheel assembly) will be covered in detail in other videos. CAD and CAM files are already available for these assemblies on the open+pario project-hosting website which can be used with the torch table to automatically and precisely prepare these components~~; check the "crash course" sections of Open Source Ecology's website for specific links~~.		This video covers the current (as of October, 2011) LifeTrac III prototype at Factor e Farm. I will refer to the orientation of the pieces as if we were sitting in the drivers seat of the LifeTrac: north is to the front end where the loader will be attached, south is behind us at the back of the tractor, west is on our left hand side and east is on our right hand side. All lateral measurements are from left to right, all measurements of depth are from front to back, and all measurements of height are from top to bottom. Each hole center is measured from the left or top edge of the plate to accommodate for inaccurate material dimensions. Pay careful attention to only measure from the top and left reference point. Do not attempt to convert and measure locations from the right nor bottom, as even slight inaccuracies can prevent bolts from aligning properly between pieces and create overall alignment problems which can make the construction fail or lead to catastrophic failure during operation of the LifeTrac that could result not only in serious damage to the tractor, but injury to the operator. Construction of sub-assemblies in this video (such as preparation of the shaft itself, the mounting plates and the wheel assembly) will be covered in detail in other videos. CAD and CAM files are already available for these assemblies on the open+pario project-hosting website which can be used with the torch table to automatically and precisely prepare these components. See http://openpario.mime.oregonstate.edu/documents/1237
			The LifeTrac III assembly process involves some welding of mounting plates to the LifeTrac frame; however, the next version of LifeTrac will have a fully modular wheel mount assembly that will be readily detachable with only 4-6 bolts, eliminating the welding in the current version that limits the interchangeability of the wheel assembly between different machines. This will greatly enhance the serviceability of the LifeTrac, allowing a wheel mount assembly to be swapped readily with another LifeTrac or another Global Village Construction Set machine that also uses driven wheels, such as Microtractor , Combine, Truck, or Bulldozer). This will readily align this component with the overall GVCS strategy of simplicity and ease of service through radical hyper-modularity.
	The assembly process~~, at present, will involve~~ some welding of mounting plates to the LifeTrac frame; however, the next ~~iteration~~ of ~~the~~ LifeTrac will have a fully modular wheel mount assembly that will be readily ~~attachable and~~ detachable with only ~~four~~ bolts, eliminating the welding in the current version that ~~inhibits ready swappability and~~ interchangeability of the wheel between different machines. This will greatly enhance the serviceability of the LifeTrac, allowing a wheel mount assembly to be readily ~~swapped~~ with another LifeTrac or another Global Village Construction Set machine that also uses ~~wheel mount~~. This will readily align this component with the overall GVCS strategy of simplicity and ease of service through ~~modular, easily~~-~~swapped components~~.		Prop the tractor up on blocks to allow the mounting plates to be attached to the frame. Mount the wheel mounting plates onto the frame by aligning the two bolt holes on the base plates of the wheel mount assemblies to the matching bolt holes at 13 and 17 inches for front wheels or 63 and 67 inches for the back wheels, as measured from the front of the north/south frame members. Attach each wheel mounting plate onto the frame with two 3/4 inch bolts (how long?), with the bearings facing outwards.
			Insert the wheel shaft through the outer bearing (on the outer side of the outer lower north/south frame member); slide the two large washers onto the shaft after you pass it through the outer bearing. Continue inserting the shaft through the inner bearing until the male 6-spline coupler is sufficiently far to attach the hydraulic motor assembly with motor mounting plate to the coupler.
	Mount the wheel mounting plates onto the frame by aligning the two bolt holes on the base plates of the wheel mount assemblies to the matching bolt holes at 13 and 17 inches for front wheels or 63 and 67 inches for the back wheels, as measured from the front of the north/south frame members. Attach ~~the~~ wheel mounting ~~plates~~ onto the frame with two 3/4 inch bolts.		The hydraulic motor assembly consists of the hydraulic motor welded to the motor interface plate. The motor interface plate allows for the easy mounting of the hydraulic motor to their respective machines by means of two, ¾” bolts, as opposed to mounting via 4 smaller, harder to access 1/2” bolts on the hydraulic motor. This unit is attached to the motor mounting plate by means of 2 bolts, 3/4”x2” long, including a washer and lock washer.
			Install female 6-spline coupler of the motor assembly onto the male 6-spline coupler of the shaft. Make sure to insert the male 6-spline into the female completely, so there is no more than 1/8” separation between the female coupler and the shaft face. Adjust the coupling such that the motor assembly mount plate can be welded to the vertical frame member.
	Insert the ~~prepared~~ shaft through the ~~wheel and the first wheel mount~~ on the outer side of the outer lower north/south frame member; slide the two large washers onto the shaft as you pass it through the outer ~~wheel mount and north/south frame member and keep the washers against the interior side of that outer north/south member~~. Continue inserting the shaft in through the ~~inside wheel mount and frame member~~ until the male 6-spline coupler ~~at the end of the shaft~~ is ~~through~~ the ~~bolted~~ motor ~~mount~~ plate.		When the 6-spline coupling is connected as such, there is complete alignment between the shaft and the motor assembly. Tack weld the motor assembly mount plate onto the vertical frame while maintaining alignment. Finish the weld thoroughly. As mentioned, this weld will be done away with in a future iteration of the LifeTrac to make the entire wheel assembly modular, but a previous build lacking a welded mount resulted in a broken shaft when a bolt came loose, so this iteration of the LifeTrac includes the weld to prevent such damage.
			On the outside (wheel) end of the shaft, mount the wheel onto the shaft, rotate as necessary to align the bolt through-holes of the wheel assembly with the matching bolt hole at the end of the shaft and secure with a 3/4 inch bolt, 4-1/2” long.
	~~Then take~~ the hydraulic motor ~~assembly and attach it~~ to the motor ~~mount~~ plate ~~by bolting together~~ the ~~quick attach plate at~~ the ~~end~~ of the motor ~~assembly and~~ the motor ~~mount~~ plate~~'s matching~~ 3/~~4 inch bolt holes~~. Install ~~the hydraulic motor's~~ female 6-spline coupler onto the ~~shaft's~~ male 6-spline coupler.		Grease the two 1-7/8” washers, and secure these with the double-split collar using allen wrenches - to prevent the shaft from moving outwards. Add two more double split collars – one outside the outer bearing, and one outside the inner bearing – to prevent the shaft from moving inwards. Grease the grease fittings on each bearing.
			Repeat this procedure for each wheel. When all the wheels are mounted – tack the wheel mount plates to the frame as backup for any bolts getting loose. This tack weld should be removable easily with a grinder as necessary for service.
	~~Be very careful~~ to ~~keep~~ the ~~alignment~~ between the ~~shaft and hydraulic motor~~ coupler ~~tight,~~ and ~~tack weld~~ the motor mount plate ~~onto~~ the vertical frame member ~~in place to maintain sturdy~~ alignment~~; be very thorough in welding along~~ the ~~edge of~~ the plate onto the vertical frame ~~member~~. As mentioned, this weld will be done away with in a future iteration of the LifeTrac to make the entire wheel assembly modular, but a previous ~~built~~ lacking a welded mount resulted in a broken shaft, so this iteration of the LifeTrac includes the weld to prevent ~~this~~ damage.

	On the outside (wheel) end of the shaft, mount the wheel onto the shaft, rotate as necessary to align the bolt through-holes of the wheel assembly with the matching bolt hole at the end of the shaft and secure with a 3/4 inch bolt.

Howard V. Agnew at 00:29, 4 October 2011

2011-10-04T00:29:57Z

← Older revision		Revision as of 00:29, 4 October 2011
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	The LifeTrac Tractor wheel mount assembly is constructed from two wheel mount plates measuring 8 by 10 by 1/2 inches for the base plate which has already been attached to a flange bearing assembly and includes two 3/4 inch bolt holes at the top, the motor mount plate which measures 10 by 8 by 1/2 inches and has two 3/4 inch bolt holes and a 3 inch shaft hole, and the hydraulic motor assembly that includes a 6 by 8 by 1/2 inch steel plate called the quick attach plate or hydraulic motor interface plate and a coupler for the shaft with a female 6-spline, a wheel assembly including a T245/R16 wheel, a shaft 1 7/8 inches in diameter previously prepared including a bolt-hole at one end and male 6-spline at the other end, three double split lock collars, two large washers with 1 7/8 inch inner diameter, and six three-quarter inch bolts.		The LifeTrac Tractor wheel mount assembly is constructed from two wheel mount plates measuring 8 by 10 by 1/2 inches for the base plate which has already been attached to a flange bearing assembly and includes two 3/4 inch bolt holes at the top, the motor mount plate which measures 10 by 8 by 1/2 inches and has two 3/4 inch bolt holes and a 3 inch shaft hole, and the hydraulic motor assembly that includes a 6 by 8 by 1/2 inch steel plate called the quick attach plate or hydraulic motor interface plate and a coupler for the shaft with a female 6-spline, a wheel assembly including a T245/R16 wheel, a shaft 1 7/8 inches in diameter previously prepared including a bolt-hole at one end and male 6-spline at the other end, three double split lock collars, two large washers with 1 7/8 inch inner diameter, and six three-quarter inch bolts.

	This video includes the most updated measurements and procedures for the LifeTrac III prototypes on the Factor e Farm. I will refer to the orientation of the pieces as if we were sitting in the drivers seat of the LifeTrac: north is to the front end where the loader will be attached, south is behind us at the back of the tractor, west is on our left hand side and east is on our right hand side. All lateral measurements are from left to right, all measurements of depth are from front to back, and all measurements of height are from top to bottom. Each hole center is measured from the left or top edge of the plate to accommodate for inaccurate material dimensions. Pay careful attention to only measure from the top and left reference point. Do not attempt to convert and measure locations from the right nor bottom, as even slight inaccuracies can prevent bolts from aligning properly between pieces and create overall alignment problems which can make the construction fail or lead to catastrophic failure during operation of the LifeTrac that could result not only in serious damage to the tractor, but injury to the operator. Construction of sub-assemblies in this video (such as preparation of the shaft itself, the mounting plates and the wheel assembly) will be covered in detail in other videos. CAD and CAM files are already available for these assemblies on the open+pario project-hosting website; check the "crash course" sections of Open Source Ecology's website for specific links.		This video includes the most updated measurements and procedures for the LifeTrac III prototypes on the Factor e Farm. I will refer to the orientation of the pieces as if we were sitting in the drivers seat of the LifeTrac: north is to the front end where the loader will be attached, south is behind us at the back of the tractor, west is on our left hand side and east is on our right hand side. All lateral measurements are from left to right, all measurements of depth are from front to back, and all measurements of height are from top to bottom. Each hole center is measured from the left or top edge of the plate to accommodate for inaccurate material dimensions. Pay careful attention to only measure from the top and left reference point. Do not attempt to convert and measure locations from the right nor bottom, as even slight inaccuracies can prevent bolts from aligning properly between pieces and create overall alignment problems which can make the construction fail or lead to catastrophic failure during operation of the LifeTrac that could result not only in serious damage to the tractor, but injury to the operator. Construction of sub-assemblies in this video (such as preparation of the shaft itself, the mounting plates and the wheel assembly) will be covered in detail in other videos. CAD and CAM files are already available for these assemblies on the open+pario project-hosting website which can be used with the torch table to automatically and precisely prepare these components; check the "crash course" sections of Open Source Ecology's website for specific links.

	The assembly process, at present, will involve some welding of mounting plates to the LifeTrac frame; however, the next iteration of the LifeTrac will have a fully modular wheel mount assembly that will be readily attachable and detachable with only four bolts, eliminating the welding in the current version that inhibits ready swappability and interchangeability of the wheel between different machines. This will greatly enhance the serviceability of the LifeTrac, allowing a wheel mount assembly to be readily swapped with another LifeTrac or another Global Village Construction Set machine that also uses wheel mount. This will readily align this component with the overall GVCS strategy of simplicity and ease of service through modular, easily-swapped components.		The assembly process, at present, will involve some welding of mounting plates to the LifeTrac frame; however, the next iteration of the LifeTrac will have a fully modular wheel mount assembly that will be readily attachable and detachable with only four bolts, eliminating the welding in the current version that inhibits ready swappability and interchangeability of the wheel between different machines. This will greatly enhance the serviceability of the LifeTrac, allowing a wheel mount assembly to be readily swapped with another LifeTrac or another Global Village Construction Set machine that also uses wheel mount. This will readily align this component with the overall GVCS strategy of simplicity and ease of service through modular, easily-swapped components.

Howard V. Agnew: Revision per Marcin consultation (significant re-ordering, actual hole drilling/torching removed and will be relegated to other videos)

2011-10-04T00:24:54Z

Revision per Marcin consultation (significant re-ordering, actual hole drilling/torching removed and will be relegated to other videos)

← Older revision		Revision as of 00:24, 4 October 2011
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	The LifeTrac Tractor wheel mount assembly is constructed from two wheel mount plates measuring 8 by 10 by 1/2 inches for the base plate which has already been attached to a flange bearing assembly, ~~a bare~~ 10 by 8 by 1/2 inch ~~steel plate that will be made into the motor mount plate~~, and the hydraulic motor assembly that includes a 6 by 8 by 1/2 inch steel plate called the quick attach plate or hydraulic motor interface plate and a coupler for the shaft, a wheel assembly including a T245/R16 wheel, a shaft 1 7/8 inches in diameter previously prepared including a bolt-hole at one end, three double split lock collars, two large washers with 1 7/8 inch inner diameter, and six three-quarter inch bolts.		The LifeTrac Tractor wheel mount assembly is constructed from two wheel mount plates measuring 8 by 10 by 1/2 inches for the base plate which has already been attached to a flange bearing assembly and includes two 3/4 inch bolt holes at the top, the motor mount plate which measures 10 by 8 by 1/2 inches and has two 3/4 inch bolt holes and a 3 inch shaft hole, and the hydraulic motor assembly that includes a 6 by 8 by 1/2 inch steel plate called the quick attach plate or hydraulic motor interface plate and a coupler for the shaft with a female 6-spline, a wheel assembly including a T245/R16 wheel, a shaft 1 7/8 inches in diameter previously prepared including a bolt-hole at one end and male 6-spline at the other end, three double split lock collars, two large washers with 1 7/8 inch inner diameter, and six three-quarter inch bolts.

	This video includes the most updated measurements and procedures for the LifeTrac III prototypes on the Factor e Farm. I will refer to the orientation of the pieces as if we were sitting in the drivers seat of the LifeTrac: north is to the front end where the loader will be attached, south is behind us at the back of the tractor, west is on our left hand side and east is on our right hand side. All lateral measurements are from left to right, all measurements of depth are from front to back, and all measurements of height are from top to bottom. Each hole center is measured from the left or top edge of the plate to accommodate for inaccurate material dimensions. Pay careful attention to only measure from the top and left reference point. Do not attempt to convert and measure locations from the right nor bottom, as even slight inaccuracies can prevent bolts from aligning properly between pieces and create overall alignment problems which can make the construction fail or lead to catastrophic failure during operation of the LifeTrac that could result not only in serious damage to the tractor, but injury to the operator. Construction of sub-assemblies in this video (such as preparation of the shaft itself and wheel ~~bearing assemblies~~) will be covered in detail in other videos.		This video includes the most updated measurements and procedures for the LifeTrac III prototypes on the Factor e Farm. I will refer to the orientation of the pieces as if we were sitting in the drivers seat of the LifeTrac: north is to the front end where the loader will be attached, south is behind us at the back of the tractor, west is on our left hand side and east is on our right hand side. All lateral measurements are from left to right, all measurements of depth are from front to back, and all measurements of height are from top to bottom. Each hole center is measured from the left or top edge of the plate to accommodate for inaccurate material dimensions. Pay careful attention to only measure from the top and left reference point. Do not attempt to convert and measure locations from the right nor bottom, as even slight inaccuracies can prevent bolts from aligning properly between pieces and create overall alignment problems which can make the construction fail or lead to catastrophic failure during operation of the LifeTrac that could result not only in serious damage to the tractor, but injury to the operator. Construction of sub-assemblies in this video (such as preparation of the shaft itself, the mounting plates and the wheel assembly) will be covered in detail in other videos. CAD and CAM files are already available for these assemblies on the open+pario project-hosting website; check the "crash course" sections of Open Source Ecology's website for specific links.

	~~The first step is to prepare each piece for attaching and mounting.~~ The assembly process, at present, will involve some welding of mounting plates to the LifeTrac frame; however, the next iteration of the LifeTrac will have a fully modular wheel mount assembly that will be readily attachable and detachable with only four bolts, eliminating the welding that inhibits ready swappability and interchangeability of the wheel between different machines. This will greatly enhance the serviceability of the LifeTrac, allowing a wheel mount assembly to be readily swapped with another LifeTrac or another Global Village Construction Set machine that also uses wheel mount. This will readily align this component with the overall GVCS strategy of simplicity and ease of service through modular, easily-swapped components.		The assembly process, at present, will involve some welding of mounting plates to the LifeTrac frame; however, the next iteration of the LifeTrac will have a fully modular wheel mount assembly that will be readily attachable and detachable with only four bolts, eliminating the welding in the current version that inhibits ready swappability and interchangeability of the wheel between different machines. This will greatly enhance the serviceability of the LifeTrac, allowing a wheel mount assembly to be readily swapped with another LifeTrac or another Global Village Construction Set machine that also uses wheel mount. This will readily align this component with the overall GVCS strategy of simplicity and ease of service through modular, easily-swapped components.

	~~To begin, punch 3/4 inch diameter holes in one of~~ the ~~two~~ wheel mounting plates ~~measuring 8~~ by ~~10 by one-half inches that is already prepared with bearing~~ assemblies ~~attached;~~ the holes ~~are centered 2 1/2 inches down from the top~~ at 2 inches and 6 inches from the ~~left~~. ~~Repeat these hole punches for~~ the ~~second~~ wheel mounting ~~plate~~.		Mount the wheel mounting plates onto the frame by aligning the two bolt holes on the base plates of the wheel mount assemblies to the matching bolt holes at 13 and 17 inches for front wheels or 63 and 67 inches for the back wheels, as measured from the front of the north/south frame members. Attach the wheel mounting plates onto the frame with two 3/4 inch bolts.

	On the ~~10 by 8 by 1~~/~~2 inch motor~~ mount ~~plate, punch 3~~/~~4 inch holes centered 5 inches from~~ the ~~left at 1 1~~/~~2 inches~~ and ~~7 1/2 inches from~~ the ~~top. Torch a 3~~-~~inch-diameter hole centered 5 inches from~~ the ~~left and 4 inches from~~ the ~~top~~.		Insert the prepared shaft through the wheel and the first wheel mount on the outer side of the outer lower north/south frame member; slide the two large washers onto the shaft as you pass it through the outer wheel mount and north/south frame member and keep the washers against the interior side of that outer north/south member. Continue inserting the shaft in through the inside wheel mount and frame member until the male 6-spline coupler at the end of the shaft is through the bolted motor mount plate.

	On the 6 by ~~8 by 1/2 inch~~ quick attach plate ~~(also called~~ the ~~hydraulic interface~~ plate~~), punch~~ 3/4 inch holes ~~3 1/2 inches from the left at 1 1/2 inches and 7 1/2 inches from the top~~. ~~Torch a 3 inch diameter hole centered 3 1/2 inches from~~ the ~~left and 4 inches from~~ the ~~top~~.		Then take the hydraulic motor assembly and attach it to the motor mount plate by bolting together the quick attach plate at the end of the motor assembly and the motor mount plate's matching 3/4 inch bolt holes. Install the hydraulic motor's female 6-spline coupler onto the shaft's male 6-spline coupler.

	~~Bolt one of~~ the ~~two wheel mount plates through~~ the ~~existing holes at 9~~ and ~~13 inches for the front wheels or 63~~ and ~~67 inches for~~ the ~~rear wheels on~~ the ~~lower outer north/south~~ frame member ~~(measured from~~ the ~~front~~ edge of the ~~frame member) using 3/4 inch bolts. Repeat this with the second wheel mount~~ plate ~~to the outside of~~ the ~~lower inner north/south~~ frame member. ~~Previously~~, ~~the plates were mounted~~ with ~~clamps and holes transfer-punched from~~ the ~~plates onto the frame members and then the frame members were punched during~~ the assembly, but ~~current frame preparation and assembly instructions (see frame assembly video) punches the holes~~ in ~~the frame in their correct location first~~, ~~which saves time and simplifies~~ the ~~process over~~ the ~~previous method~~.		Be very careful to keep the alignment between the shaft and hydraulic motor coupler tight, and tack weld the motor mount plate onto the vertical frame member in place to maintain sturdy alignment; be very thorough in welding along the edge of the plate onto the vertical frame member. As mentioned, this weld will be done away with in a future iteration of the LifeTrac to make the entire wheel assembly modular, but a previous built lacking a welded mount resulted in a broken shaft, so this iteration of the LifeTrac includes the weld to prevent this damage.

	~~Securely tack-weld~~ the ~~motor mount plate to the vertical frame member fully along all contact edges; it should be flush with the front or back lower east/west LifeTrac frame member depending on whether it is a front or rear~~ wheel.		On the outside (wheel) end of the shaft, mount the wheel onto the shaft, rotate as necessary to align the bolt through-holes of the wheel assembly with the matching bolt hole at the end of the shaft and secure with a 3/4 inch bolt.

	~~Bolt~~ the ~~quick attach plate to the motor~~ mount ~~plate using 3/4 inch bolts at the top and bottom bolt holes; make sure that~~ the ~~3 inch diameter shaft holes align.~~

	~~Insert the prepared shaft through the wheel and the first~~ wheel ~~mount on the outer side of the outer lower north/south frame member; slide two large washers~~ onto the shaft as ~~you pass it through~~ the ~~outer wheel mount and north/south frame member and keep against the interior of that outer north/south member. Continue the shaft in~~ through the inside wheel mount and frame member and into the hydraulic coupler located inside that inner lower north/south frame member. Install a double split lock collar on the outside of the outer north/south frame member, a second collar on the inside of the outer north/south frame member and two washers, and place the third double split lock collar outside of ~~where the shaft enters the wheel/bearing mount by the inner north/south frame member.~~

	~~Carefully check to make sure that the shaft goes straight through~~ the wheel ~~mount assemblies and into the hydraulic motor coupler and is not askew forward or back, nor up nor down.~~

	~~Align the shaft~~ with the bolt hole ~~on its outer~~ end ~~with the matching bolt through-holes on the outside~~ of the ~~wheel~~ and secure with a bolt~~. This secures the wheel in place~~.

Howard V. Agnew at 22:38, 3 October 2011

2011-10-03T22:38:42Z

← Older revision		Revision as of 22:38, 3 October 2011
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	The LifeTrac Tractor wheel mount assembly is constructed from two wheel mount plates measuring 8 by 10 by 1/2 ~~inch (~~base~~) each~~ attached to a flange bearing assembly, a bare ~~piece of~~ 10 by 8 by 1/2 inch steel plate that will be made into the motor mount plate, and the hydraulic motor ~~mount~~ that includes a ~~coupler for the shaft and~~ 6 by 8 by 1/2 inch steel plate called the quick attach plate or hydraulic motor interface plate, a wheel assembly including a T245/R16 ~~wheels~~, a shaft 1 7/8" previously prepared including a bolt-hole at one end, three double split lock collars, two large washers with 1 7/8 inch inner diameter, and six three-quarter inch bolts.		The LifeTrac Tractor wheel mount assembly is constructed from two wheel mount plates measuring 8 by 10 by 1/2 inches for the base plate which has already been attached to a flange bearing assembly, a bare 10 by 8 by 1/2 inch steel plate that will be made into the motor mount plate, and the hydraulic motor assembly that includes a 6 by 8 by 1/2 inch steel plate called the quick attach plate or hydraulic motor interface plate and a coupler for the shaft, a wheel assembly including a T245/R16 wheel, a shaft 1 7/8 inches in diameter previously prepared including a bolt-hole at one end, three double split lock collars, two large washers with 1 7/8 inch inner diameter, and six three-quarter inch bolts.

	This video includes the most updated measurements and procedures for the LifeTrac III prototypes on the Factor e Farm. I will refer to the orientation of the pieces as if we were sitting in the drivers seat of the LifeTrac: north is to the front end where the loader will be attached, south is behind us at the back of the tractor, west is on our left hand side and east is on our right hand side. All lateral measurements are from left to right, all measurements of depth are from front to back, and all measurements of height are from top to bottom. Each ~~drill~~ hole is measured from ~~one end~~ of the plate to accommodate for inaccurate material dimensions. Pay careful attention to only measure from the top and left reference point. Do not attempt to convert and measure locations from the right nor bottom, as even slight inaccuracies can prevent bolts from aligning properly between pieces and create overall alignment problems which can make the construction fail or lead to catastrophic failure during operation of the LifeTrac that could result not only in serious damage to the tractor, but injury to the operator. Construction of sub-assemblies in this video (such as preparation of the shaft itself and wheel bearing assemblies) will be covered in detail in other videos.		This video includes the most updated measurements and procedures for the LifeTrac III prototypes on the Factor e Farm. I will refer to the orientation of the pieces as if we were sitting in the drivers seat of the LifeTrac: north is to the front end where the loader will be attached, south is behind us at the back of the tractor, west is on our left hand side and east is on our right hand side. All lateral measurements are from left to right, all measurements of depth are from front to back, and all measurements of height are from top to bottom. Each hole center is measured from the left or top edge of the plate to accommodate for inaccurate material dimensions. Pay careful attention to only measure from the top and left reference point. Do not attempt to convert and measure locations from the right nor bottom, as even slight inaccuracies can prevent bolts from aligning properly between pieces and create overall alignment problems which can make the construction fail or lead to catastrophic failure during operation of the LifeTrac that could result not only in serious damage to the tractor, but injury to the operator. Construction of sub-assemblies in this video (such as preparation of the shaft itself and wheel bearing assemblies) will be covered in detail in other videos.

	The first step is to prepare each piece for attaching and mounting. The assembly process, at present, will involve some welding of mounting plates to the LifeTrac frame; however, the next iteration of the LifeTrac will have a fully modular wheel mount assembly that will be readily attachable and detachable with only four bolts, eliminating the welding that inhibits ready swappability and interchangeability of the wheel between different machines. This will greatly enhance the serviceability of the LifeTrac, allowing a wheel mount assembly to be readily swapped with another LifeTrac or another Global Village Construction Set machine that also uses wheel mount. This will readily align this component with the overall GVCS strategy of simplicity and ease of service through modular, easily-swapped components.		The first step is to prepare each piece for attaching and mounting. The assembly process, at present, will involve some welding of mounting plates to the LifeTrac frame; however, the next iteration of the LifeTrac will have a fully modular wheel mount assembly that will be readily attachable and detachable with only four bolts, eliminating the welding that inhibits ready swappability and interchangeability of the wheel between different machines. This will greatly enhance the serviceability of the LifeTrac, allowing a wheel mount assembly to be readily swapped with another LifeTrac or another Global Village Construction Set machine that also uses wheel mount. This will readily align this component with the overall GVCS strategy of simplicity and ease of service through modular, easily-swapped components.

Howard V. Agnew: Further tweaks

2011-10-03T22:30:09Z

Further tweaks

← Older revision		Revision as of 22:30, 3 October 2011
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	The LifeTrac Tractor wheel mount assembly is constructed from two wheel mount plates measuring 8 by 10 by 1/2 inch (base) each attached to a flange bearing assembly, a bare piece of 10 by 8 by 1/2 inch steel plate that will be made into the motor mount plate, and the hydraulic motor mount that includes a coupler for the shaft and 6 by 8 by 1/2 inch steel plate called the quick attach plate or hydraulic motor interface ~~plate; we will be attaching this to the motor mount~~ plate, a wheel assembly including a T245/R16 wheels, ~~the~~ shaft ~~assembly~~, three double split lock collars, two washers with 1 7/8 inch inner diameter, and six three-quarter inch bolts.		The LifeTrac Tractor wheel mount assembly is constructed from two wheel mount plates measuring 8 by 10 by 1/2 inch (base) each attached to a flange bearing assembly, a bare piece of 10 by 8 by 1/2 inch steel plate that will be made into the motor mount plate, and the hydraulic motor mount that includes a coupler for the shaft and 6 by 8 by 1/2 inch steel plate called the quick attach plate or hydraulic motor interface plate, a wheel assembly including a T245/R16 wheels, a shaft 1 7/8" previously prepared including a bolt-hole at one end, three double split lock collars, two large washers with 1 7/8 inch inner diameter, and six three-quarter inch bolts.

	This video includes the most updated measurements and procedures for the LifeTrac III prototypes on the Factor e Farm. I will refer to the orientation of the ~~frame~~ pieces as if we were sitting in the drivers seat of the LifeTrac: north is to the front end where the loader will be attached, south is behind us at the back of the tractor, west is on our left hand side and east is on our right hand side. All lateral measurements are from left to right, all measurements of depth are from front to back, and all measurements of height are from top to bottom. Each drill hole is measured from one end of the plate to accommodate for inaccurate material dimensions. Pay careful attention to only measure from the top and left reference point. Do not attempt to convert and measure locations from the right nor bottom, as even slight inaccuracies can prevent bolts from aligning properly between pieces and create overall alignment problems which can be serious. Construction of sub-assemblies in this video (such as preparation of the shaft itself and wheel bearing assemblies) will be covered in detail in other videos.		This video includes the most updated measurements and procedures for the LifeTrac III prototypes on the Factor e Farm. I will refer to the orientation of the pieces as if we were sitting in the drivers seat of the LifeTrac: north is to the front end where the loader will be attached, south is behind us at the back of the tractor, west is on our left hand side and east is on our right hand side. All lateral measurements are from left to right, all measurements of depth are from front to back, and all measurements of height are from top to bottom. Each drill hole is measured from one end of the plate to accommodate for inaccurate material dimensions. Pay careful attention to only measure from the top and left reference point. Do not attempt to convert and measure locations from the right nor bottom, as even slight inaccuracies can prevent bolts from aligning properly between pieces and create overall alignment problems which can make the construction fail or lead to catastrophic failure during operation of the LifeTrac that could result not only in serious damage to the tractor, but injury to the operator. Construction of sub-assemblies in this video (such as preparation of the shaft itself and wheel bearing assemblies) will be covered in detail in other videos.

	The first step is to prepare each ~~of the pieces~~ for mounting. The assembly process, at present, will involve some welding of mounting plates to the LifeTrac frame; however, the next iteration of the LifeTrac will have a fully modular wheel mount assembly that will be readily attachable and detachable with only four bolts, eliminating the welding that inhibits ready swappability and interchangeability of the wheel between different machines. This will greatly enhance the serviceability of the LifeTrac, allowing a wheel mount assembly to be readily swapped with another LifeTrac or another Global Village Construction Set machine that also uses wheel mount. This will readily align this component with the overall GVCS strategy of simplicity and ease of service through modular, easily-swapped components.		The first step is to prepare each piece for attaching and mounting. The assembly process, at present, will involve some welding of mounting plates to the LifeTrac frame; however, the next iteration of the LifeTrac will have a fully modular wheel mount assembly that will be readily attachable and detachable with only four bolts, eliminating the welding that inhibits ready swappability and interchangeability of the wheel between different machines. This will greatly enhance the serviceability of the LifeTrac, allowing a wheel mount assembly to be readily swapped with another LifeTrac or another Global Village Construction Set machine that also uses wheel mount. This will readily align this component with the overall GVCS strategy of simplicity and ease of service through modular, easily-swapped components.

	To begin, punch 3/4 inch diameter holes in one of the two wheel mounting plates measuring 8 by 10 by one-half inches that is already prepared with bearing assemblies attached; the holes are centered 2 1/2 inches down from the top at 2 inches and 6 inches from the left. Repeat these hole punches for the second wheel mounting plate.		To begin, punch 3/4 inch diameter holes in one of the two wheel mounting plates measuring 8 by 10 by one-half inches that is already prepared with bearing assemblies attached; the holes are centered 2 1/2 inches down from the top at 2 inches and 6 inches from the left. Repeat these hole punches for the second wheel mounting plate.

Howard V. Agnew: Revision by read-through 2

2011-10-03T22:19:46Z

Revision by read-through 2

← Older revision		Revision as of 22:19, 3 October 2011
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	The LifeTrac Tractor wheel mount assembly is constructed from ~~a hydraulic motor with coupler,~~ two wheel mount plates measuring 8 by 10 by 1/2 inch (base) each attached to a flange bearing assembly, a bare piece of 10 by 8 by 1/2 inch steel plate that will be made into the motor mount plate, and the hydraulic motor mount that includes a 6 by 8 by 1/2 inch steel plate called the quick attach plate or hydraulic motor interface plate; we will be attaching this to the motor mount plate, a wheel assembly including a T245/R16, the shaft assembly, three double split lock collars, two ~~big~~ washers~~, a hydraulic motor~~, and six three-quarter inch bolts.		The LifeTrac Tractor wheel mount assembly is constructed from two wheel mount plates measuring 8 by 10 by 1/2 inch (base) each attached to a flange bearing assembly, a bare piece of 10 by 8 by 1/2 inch steel plate that will be made into the motor mount plate, and the hydraulic motor mount that includes a coupler for the shaft and 6 by 8 by 1/2 inch steel plate called the quick attach plate or hydraulic motor interface plate; we will be attaching this to the motor mount plate, a wheel assembly including a T245/R16 wheels, the shaft assembly, three double split lock collars, two washers with 1 7/8 inch inner diameter, and six three-quarter inch bolts.

	This video includes the most updated measurements and procedures for the LifeTrac III prototypes on the Factor e Farm. I will refer to the orientation of the frame pieces as if we were sitting in the drivers seat of the LifeTrac: north is to the front end where the loader will be attached, south is behind us at the back of the tractor, west is on our left hand side and east is on our right hand side. All lateral measurements ~~of the beams~~ are from left to right, all measurements of depth are from front to back, and all measurements of height are from top to bottom. Each drill hole is measured from one end of the ~~tube~~ to accommodate for inaccurate material dimensions. Pay careful attention to only measure from the top and left reference point. Do not attempt to convert and measure locations from the right nor bottom, as even slight inaccuracies can prevent bolts from aligning properly between pieces and create overall alignment problems which can be serious. Construction of sub-assemblies in this video (such as preparation of the shaft itself and wheel bearing assemblies) will be covered in detail in other videos.		This video includes the most updated measurements and procedures for the LifeTrac III prototypes on the Factor e Farm. I will refer to the orientation of the frame pieces as if we were sitting in the drivers seat of the LifeTrac: north is to the front end where the loader will be attached, south is behind us at the back of the tractor, west is on our left hand side and east is on our right hand side. All lateral measurements are from left to right, all measurements of depth are from front to back, and all measurements of height are from top to bottom. Each drill hole is measured from one end of the plate to accommodate for inaccurate material dimensions. Pay careful attention to only measure from the top and left reference point. Do not attempt to convert and measure locations from the right nor bottom, as even slight inaccuracies can prevent bolts from aligning properly between pieces and create overall alignment problems which can be serious. Construction of sub-assemblies in this video (such as preparation of the shaft itself and wheel bearing assemblies) will be covered in detail in other videos.

	The first step is to prepare each of the pieces for mounting. The assembly process, at present, will involve some welding of mounting plates to the LifeTrac frame; however, the next iteration of the LifeTrac will have a fully modular wheel mount assembly that will be readily attachable and detachable with only four bolts, eliminating the welding that inhibits ready swappability and interchangeability of the wheel between different machines. This will greatly enhance the serviceability of the LifeTrac, allowing a wheel mount assembly to be readily swapped with another LifeTrac or another Global Village Construction Set machine that uses a wheel mount. This will readily align this component with the overall GVCS strategy of simplicity and ease of service through modular, easily-swapped components.		The first step is to prepare each of the pieces for mounting. The assembly process, at present, will involve some welding of mounting plates to the LifeTrac frame; however, the next iteration of the LifeTrac will have a fully modular wheel mount assembly that will be readily attachable and detachable with only four bolts, eliminating the welding that inhibits ready swappability and interchangeability of the wheel between different machines. This will greatly enhance the serviceability of the LifeTrac, allowing a wheel mount assembly to be readily swapped with another LifeTrac or another Global Village Construction Set machine that also uses wheel mount. This will readily align this component with the overall GVCS strategy of simplicity and ease of service through modular, easily-swapped components.

	To begin, punch 3/4 inch diameter holes in one of the two wheel mounting plates measuring 8 by 10 by one-half inches that is already prepared with bearing assemblies attached; the holes are centered 2 1/2 inches down from the top at 2 inches and 6 inches from the left. Repeat these hole punches for the second wheel mounting plate.		To begin, punch 3/4 inch diameter holes in one of the two wheel mounting plates measuring 8 by 10 by one-half inches that is already prepared with bearing assemblies attached; the holes are centered 2 1/2 inches down from the top at 2 inches and 6 inches from the left. Repeat these hole punches for the second wheel mounting plate.

Howard V. Agnew: Revision by read-through 1

2011-10-03T22:06:19Z

Revision by read-through 1

← Older revision		Revision as of 22:06, 3 October 2011
Line 1:		Line 1:
	The LifeTrac Tractor wheel~~/hydraulic motor~~ mount is constructed from a hydraulic motor with coupler, a steel ~~quick attach~~ plate ~~attached to~~ the hydraulic motor ~~and measuring~~ 6 by 8 ~~inches and a half-~~inch ~~thick, a~~ steel motor mount plate ~~measuring 10 inches by 8 inches by~~ a ~~half-inch thick, two steel~~ wheel ~~plates measuring 8 inches by 10 inches by a half-inch thick and attached to two flange bearing mounts,~~ a T245/R16 ~~wheel assembly~~, the shaft assembly, three double split lock collars, two big washers, a hydraulic motor, six three-quarter ~~inch bolts and eight five-sixteenths~~ inch bolts.		The LifeTrac Tractor wheel mount assembly is constructed from a hydraulic motor with coupler, two wheel mount plates measuring 8 by 10 by 1/2 inch (base) each attached to a flange bearing assembly, a bare piece of 10 by 8 by 1/2 inch steel plate that will be made into the motor mount plate, and the hydraulic motor mount that includes a 6 by 8 by 1/2 inch steel plate called the quick attach plate or hydraulic motor interface plate; we will be attaching this to the motor mount plate, a wheel assembly including a T245/R16, the shaft assembly, three double split lock collars, two big washers, a hydraulic motor, and six three-quarter inch bolts.

	This video includes the most updated measurements and procedures for the LifeTrac III prototypes on the Factor e Farm. I will refer to the orientation of the frame pieces as if we were sitting in the drivers seat of the LifeTrac: north is to the front end where the loader will be attached, south is behind us at the back of the tractor, west is on our left hand side and east is on our right hand side. All lateral measurements of the beams are from left to right, all measurements of depth are from front to back, and all measurements of height are from top to bottom. Each drill hole is measured from one end of the tube to accommodate for inaccurate material dimensions. Pay careful attention to only measure from the top and left reference point. Do not attempt to convert and measure locations from the right nor bottom, as even slight inaccuracies can prevent bolts from aligning properly between pieces and create overall alignment problems which can be serious.		This video includes the most updated measurements and procedures for the LifeTrac III prototypes on the Factor e Farm. I will refer to the orientation of the frame pieces as if we were sitting in the drivers seat of the LifeTrac: north is to the front end where the loader will be attached, south is behind us at the back of the tractor, west is on our left hand side and east is on our right hand side. All lateral measurements of the beams are from left to right, all measurements of depth are from front to back, and all measurements of height are from top to bottom. Each drill hole is measured from one end of the tube to accommodate for inaccurate material dimensions. Pay careful attention to only measure from the top and left reference point. Do not attempt to convert and measure locations from the right nor bottom, as even slight inaccuracies can prevent bolts from aligning properly between pieces and create overall alignment problems which can be serious. Construction of sub-assemblies in this video (such as preparation of the shaft itself and wheel bearing assemblies) will be covered in detail in other videos.

	The first step is to prepare each of the pieces for mounting. The assembly process, at present, will involve some welding of mounting plates to the LifeTrac frame; however, the next iteration of the LifeTrac will have a fully modular wheel mount assembly that will be readily attachable and detachable with only four bolts, eliminating the welding that inhibits ready swappability and interchangeability of the wheel between different machines. This will greatly enhance the serviceability of the LifeTrac, allowing a wheel mount assembly to be readily ~~attached to~~ another LifeTrac or another ~~GVCS~~ machine that uses a wheel mount. This will readily align this component with the overall GVCS strategy of simplicity and ease of service through modular, easily-swapped components.		The first step is to prepare each of the pieces for mounting. The assembly process, at present, will involve some welding of mounting plates to the LifeTrac frame; however, the next iteration of the LifeTrac will have a fully modular wheel mount assembly that will be readily attachable and detachable with only four bolts, eliminating the welding that inhibits ready swappability and interchangeability of the wheel between different machines. This will greatly enhance the serviceability of the LifeTrac, allowing a wheel mount assembly to be readily swapped with another LifeTrac or another Global Village Construction Set machine that uses a wheel mount. This will readily align this component with the overall GVCS strategy of simplicity and ease of service through modular, easily-swapped components.

	~~Punch~~ 3/4 inch diameter holes in one of the two wheel mounting plates measuring 8 by 10 by one-half ~~inch each~~; the holes are centered 2 1/2 inches down from the top at 2 inches and 6 inches from the left. Repeat these hole punches for the second wheel mounting plate. Punch two 5/8 inch holes centered 5 inches down from the top, at 1 3/4 inches and 6 1/4 inches from the left; punch two additional 5/8 inch holes on the two wheel mounting plates centered 9 1/2 inches from the top at 1 3/4 inches and 6 1/4 inches from the left. Repeat these 5/8 inch hole punches for the second wheel mounting plate.		To begin, punch 3/4 inch diameter holes in one of the two wheel mounting plates measuring 8 by 10 by one-half inches that is already prepared with bearing assemblies attached; the holes are centered 2 1/2 inches down from the top at 2 inches and 6 inches from the left. Repeat these hole punches for the second wheel mounting plate.

	~~Punch a~~ 3/4 inch diameter hole in the ~~motor mount plate which measures~~		On the 10 by 8 by 1/2 inch motor mount plate, punch 3/4 inch holes centered 5 inches from the left at 1 1/2 inches and 7 1/2 inches from the top. Torch a 3-inch-diameter hole centered 5 inches from the left and 4 inches from the top.

	On the 10 by 8 by 1/2 inch ~~motor mount~~ plate, punch 3/4 inch holes ~~centered 5~~ inches from the left at 1 1/2 and 7 1/2 inches from the top. Torch a 3-inch-diameter hole centered 5 inches from the left and 4 inches from the top.		On the 6 by 8 by 1/2 inch quick attach plate (also called the hydraulic interface plate), punch 3/4 inch holes 3 1/2 inches from the left at 1 1/2 inches and 7 1/2 inches from the top. Torch a 3 inch diameter hole centered 3 1/2 inches from the left and 4 inches from the top.

	On the ~~6 by 8 by 1~~/~~2 inch quick attach plate~~ (~~alternatively called~~ the ~~hydraulic interface plate~~)~~, punch~~ 3/4 inch holes ~~3 1/2 inches~~ from the ~~left at 1 1/2~~ and ~~7 1/2 inches from~~ the ~~top. Torch a 3 inch diameter hole centered 3 1/2 inches from~~ the ~~left~~ and ~~4 inches from~~ the ~~top~~.		Bolt one of the two wheel mount plates through the existing holes at 9 and 13 inches for the front wheels or 63 and 67 inches for the rear wheels on the lower outer north/south frame member (measured from the front edge of the frame member) using 3/4 inch bolts. Repeat this with the second wheel mount plate to the outside of the lower inner north/south frame member. Previously, the plates were mounted with clamps and holes transfer-punched from the plates onto the frame members and then the frame members were punched during the assembly, but current frame preparation and assembly instructions (see frame assembly video) punches the holes in the frame in their correct location first, which saves time and simplifies the process over the previous method.

	~~Bolt one of~~ the ~~two wheel~~ mount ~~plates through~~ the ~~existing holes at 9 and 13 inches for~~ the front ~~wheels~~ or ~~63 and 67 inches for the rear wheels on the~~ lower ~~outer north~~/~~south~~ frame member ~~(measured from the~~ front ~~edge of the frame member) using 3/4 inch bolts. Repeat this with the second~~ wheel mount plate to the inner lower inner north/south frame member. Previously, the plates were mounted with clamps and holes transfer-punched from the plates onto the frame members and then the frame members were punched during the assembly, but current frame preparation and assembly instructions (see frame assembly video) punches the holes in the frame in their correct location first, which saves time and simplifies the process over the current construction method.		Securely tack-weld the motor mount plate to the vertical frame member fully along all contact edges; it should be flush with the front or back lower east/west LifeTrac frame member depending on whether it is a front or rear wheel.

	~~Securely tack-weld~~ the motor ~~support~~ plate to the ~~vertical frame member fully along all contact edges~~; ~~it should be flush with~~ the ~~front or back lower east/west LifeTrac frame member depending on whether it is a front or rear wheel~~.		Bolt the quick attach plate to the motor mount plate using 3/4 inch bolts at the top and bottom bolt holes; make sure that the 3 inch diameter shaft holes align.

	~~Bolt~~ the ~~quick attach plate to~~ the ~~motor~~ mount ~~plate~~; ~~ensure~~ the ~~3 1~~/~~2 inch diameter~~ shaft ~~holes align~~.		Insert the prepared shaft through the wheel and the first wheel mount on the outer side of the outer lower north/south frame member; slide two large washers onto the shaft as you pass it through the outer wheel mount and north/south frame member and keep against the interior of that outer north/south member. Continue the shaft in through the inside wheel mount and frame member and into the hydraulic coupler located inside that inner lower north/south frame member. Install a double split lock collar on the outside of the outer north/south frame member, a second collar on the inside of the outer north/south frame member and two washers, and place the third double split lock collar outside of where the shaft enters the wheel/bearing mount by the inner north/south frame member.

	Insert the prepared shaft through the wheel and the two wheel mounts on the outside edges of the inner and outer lower north/south frame members; slide two large washers onto the shaft as you pass it through the outer wheel mount and north/south frame member and keep against the interior of that ~~outer north/south member. Continue~~ the shaft in through the ~~inside~~ wheel mount ~~and frame member~~ and into the hydraulic coupler ~~located inside that inner lower north/south frame member. Use double split lock collars on the outside of the outer north/south frame member~~, on the inside of the outer north/south frame member, inside of the two large washers, apply another double split lock collar, and lock a third double split collar in place outside of where the shaft enters the wheel/bearing mount by the inner north/south frame member.		Carefully check to make sure that the shaft goes straight through the wheel mount assemblies and into the hydraulic motor coupler and is not askew forward or back, nor up nor down.

	~~Carefully check to make sure the shaft goes straight through the wheel mount assemblies and into the hydraulic motor coupler and is not askew forward or back, nor up nor down.~~		Align the shaft with the bolt hole on its outer end with the matching bolt through-holes on the outside of the wheel and secure with a bolt. This secures the wheel in place.

	Align the shaft with the bolt hole on its outer end with the ~~maching~~ bolt through-holes on the outside of the wheel and secure with a bolt. This secures the wheel in place.

Howard V. Agnew: This is actually the 3rd draft

2011-10-03T21:22:07Z

This is actually the 3rd draft

New page

The LifeTrac Tractor wheel/hydraulic motor mount is constructed from a hydraulic motor with coupler, a steel quick attach plate attached to the hydraulic motor and measuring 6 by 8 inches and a half-inch thick, a steel motor mount plate measuring 10 inches by 8 inches by a half-inch thick, two steel wheel plates measuring 8 inches by 10 inches by a half-inch thick and attached to two flange bearing mounts, a T245/R16 wheel assembly, the shaft assembly, three double split lock collars, two big washers, a hydraulic motor, six three-quarter inch bolts and eight five-sixteenths inch bolts.

This video includes the most updated measurements and procedures for the LifeTrac III prototypes on the Factor e Farm. I will refer to the orientation of the frame pieces as if we were sitting in the drivers seat of the LifeTrac: north is to the front end where the loader will be attached, south is behind us at the back of the tractor, west is on our left hand side and east is on our right hand side. All lateral measurements of the beams are from left to right, all measurements of depth are from front to back, and all measurements of height are from top to bottom. Each drill hole is measured from one end of the tube to accommodate for inaccurate material dimensions. Pay careful attention to only measure from the top and left reference point. Do not attempt to convert and measure locations from the right nor bottom, as even slight inaccuracies can prevent bolts from aligning properly between pieces and create overall alignment problems which can be serious.

The first step is to prepare each of the pieces for mounting. The assembly process, at present, will involve some welding of mounting plates to the LifeTrac frame; however, the next iteration of the LifeTrac will have a fully modular wheel mount assembly that will be readily attachable and detachable with only four bolts, eliminating the welding that inhibits ready swappability and interchangeability of the wheel between different machines. This will greatly enhance the serviceability of the LifeTrac, allowing a wheel mount assembly to be readily attached to another LifeTrac or another GVCS machine that uses a wheel mount. This will readily align this component with the overall GVCS strategy of simplicity and ease of service through modular, easily-swapped components.

Punch 3/4 inch diameter holes in one of the two wheel mounting plates measuring 8 by 10 by one-half inch each; the holes are centered 2 1/2 inches down from the top at 2 inches and 6 inches from the left. Repeat these hole punches for the second wheel mounting plate. Punch two 5/8 inch holes centered 5 inches down from the top, at 1 3/4 inches and 6 1/4 inches from the left; punch two additional 5/8 inch holes on the two wheel mounting plates centered 9 1/2 inches from the top at 1 3/4 inches and 6 1/4 inches from the left. Repeat these 5/8 inch hole punches for the second wheel mounting plate.

Punch a 3/4 inch diameter hole in the motor mount plate which measures

On the 10 by 8 by 1/2 inch motor mount plate, punch 3/4 inch holes centered 5 inches from the left at 1 1/2 and 7 1/2 inches from the top. Torch a 3-inch-diameter hole centered 5 inches from the left and 4 inches from the top.

On the 6 by 8 by 1/2 inch quick attach plate (alternatively called the hydraulic interface plate), punch 3/4 inch holes 3 1/2 inches from the left at 1 1/2 and 7 1/2 inches from the top. Torch a 3 inch diameter hole centered 3 1/2 inches from the left and 4 inches from the top.

Bolt one of the two wheel mount plates through the existing holes at 9 and 13 inches for the front wheels or 63 and 67 inches for the rear wheels on the lower outer north/south frame member (measured from the front edge of the frame member) using 3/4 inch bolts. Repeat this with the second wheel mount plate to the inner lower inner north/south frame member. Previously, the plates were mounted with clamps and holes transfer-punched from the plates onto the frame members and then the frame members were punched during the assembly, but current frame preparation and assembly instructions (see frame assembly video) punches the holes in the frame in their correct location first, which saves time and simplifies the process over the current construction method.

Securely tack-weld the motor support plate to the vertical frame member fully along all contact edges; it should be flush with the front or back lower east/west LifeTrac frame member depending on whether it is a front or rear wheel.

Bolt the quick attach plate to the motor mount plate; ensure the 3 1/2 inch diameter shaft holes align.

Insert the prepared shaft through the wheel and the two wheel mounts on the outside edges of the inner and outer lower north/south frame members; slide two large washers onto the shaft as you pass it through the outer wheel mount and north/south frame member and keep against the interior of that outer north/south member. Continue the shaft in through the inside wheel mount and frame member and into the hydraulic coupler located inside that inner lower north/south frame member. Use double split lock collars on the outside of the outer north/south frame member, on the inside of the outer north/south frame member, inside of the two large washers, apply another double split lock collar, and lock a third double split collar in place outside of where the shaft enters the wheel/bearing mount by the inner north/south frame member.

Carefully check to make sure the shaft goes straight through the wheel mount assemblies and into the hydraulic motor coupler and is not askew forward or back, nor up nor down.

Align the shaft with the bolt hole on its outer end with the maching bolt through-holes on the outside of the wheel and secure with a bolt. This secures the wheel in place.