Air Gun Protocol: Difference between revisions

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=About=
This is about a high volume, low pressure, air-powered spray gun - like the Purple Classic by Harbor Freight.
=Basic Procedures=
=Basic Procedures=
*Let people know they are painting so they bring old clothes
*Let people know they are painting so they bring old clothes
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*Gun holder should be available for hanging gun for refills, with hose attached. Holder holds gun so strainer cup can be placed above cup.
*Gun holder should be available for hanging gun for refills, with hose attached. Holder holds gun so strainer cup can be placed above cup.
*Use 20 oz paint cups for longer spraying
*Use 20 oz paint cups for longer spraying
=Technical=
*Start at 80 PSI on regulator - it should be 40-60 PSI during operation, not when idle. Look at regulator.
*Use an air/dirt filter
*Air filter clean-out should be pointing down, by gravity
*Turn air on all way at bottom of handle- and use regulator to set pressure
*
*


=Breaks=
=Breaks=
*If you don't use it more than a few minutes - take off cup, air hose, leave gun suberged up to handle in about 6" of water immediately - for water-based paints.
*If you don't use it more than a few minutes - take off cup, take off air hose, leave gun suberged up to handle in about 6" of water immediately - for water-based paints.  
*
*Wipe gun with rags, so paint doesn't harden
*For oil paints - if you're taking a break - do a diesel or mineral spirits blow-out

Revision as of 02:10, 26 April 2021

About

This is about a high volume, low pressure, air-powered spray gun - like the Purple Classic by Harbor Freight.

Basic Procedures

  • Let people know they are painting so they bring old clothes
  • Rags should be available - so gun is cleaned from spills readily.
  • Gun holder should be available for hanging gun for refills, with hose attached. Holder holds gun so strainer cup can be placed above cup.
  • Use 20 oz paint cups for longer spraying

Technical

  • Start at 80 PSI on regulator - it should be 40-60 PSI during operation, not when idle. Look at regulator.
  • Use an air/dirt filter
  • Air filter clean-out should be pointing down, by gravity
  • Turn air on all way at bottom of handle- and use regulator to set pressure

Breaks

  • If you don't use it more than a few minutes - take off cup, take off air hose, leave gun suberged up to handle in about 6" of water immediately - for water-based paints.
  • Wipe gun with rags, so paint doesn't harden
  • For oil paints - if you're taking a break - do a diesel or mineral spirits blow-out