California Air Tools CAT-33000, Owner'S Manual

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MAINTENANCE
TROUBLESHOOTING
c) Lightly lube all moving parts with a non-petroleum based lubricant.
Note: never use improper cleaning instruments as they may damage the part and
adversely affect gun performance. Never immerse the gun in solvent.
Problem: Gun is leaking from fluid nozzle.
Causes: Fluid nozzle is loose, foreign particles or dried paint is keeping needle from
seating properly.
Remedy: Tighten nozzle of remove and clean nozzle.
Problem: Gun is leaking from needle sealing area.
Causes: Teflon packing is damaged of missing.
Remedy: Replace Teflon packing
Problem: Gun sprays ‘sickle shaped’ patterns to the left or right )(
Causes: Air holes clogged on air cap of air cap is damaged.
Remedy: Clean air holes of replace air cap.
Problem: Tear drop or oval shaped pattern appears
Causes: Air cap clogged at fluid needle orifice.
Remedy: Remove and clean air cap and fluid nozzle.
Problem: Paint sputters from gun.
Causes: Insufficient material in cup, material not filtered, fluid nozzle loose, needle Teflon
damaged, needle and/or nozzle is dirty.
Remedy: Refill cup. filer material, tighten loose parts, replace Teflon packing, clean
needle and nozzle.
Problem: Incorrect atomization of spray pattern.
Causes: Inlet air pressure to low or material too thick; pressure too high or material too
thin.
Remedy: Adjust air pressure and/or product viscosity.