Harbor Freight Tools 66222 - Manual (Page 14)

SKU 66222 For technical questions, please call 1-800-444-3353. Page 14
tool troubleshooting
Problem Possible causes Likely Solutions
Decreased output. Not enough air pressure 1.
and/or air flow.
Obstructed trigger. 2.
Blocked air inlet screen (if 3.
equipped).
Air leaking from loose
4.
housing.
Air Regulator set too low.
5.
Check for loose connections and make sure 1.
that air supply is providing enough air flow
(CFM) at required pressure (PSI) to the
tool’s air inlet. Do not exceed maximum air
pressure.
Clean around trigger to ensure free
2.
movement.
Clean air inlet screen of buildup.
3.
Make sure housing is properly assembled and 4.
tight.
Adjust Air Regulator setting.
5.
Severe air
leakage.
(Slight air leakage
is normal,
especially on older
tools.)
Cross-threaded housing 1.
components.
Loose housing. 2.
Damaged connectors or 3.
housing.
Check for incorrect alignment and uneven 1.
gaps. If cross-threaded, disassemble and
replace damaged parts before use.
Tighten housing assembly. If housing cannot
2.
tighten properly, internal parts may be
misaligned.
Replace damaged components.
3.
Inconsistent paint
flow, blobs and
splatters
Clogged Air Cap (1) or 1.
damaged Fluid Nozzle (2).
Clogged Paint Filter (27).
2.
Damaged or dirty Paint 3.
Needle (9).
Contaminated paint.
4.
Clean , adjust or replace Air Cap or Fluid 1.
Nozzle.
Clean Paint Filter (27).
2.
Clean, repair or replace Paint Needle (9). 3.
Remove paint and filter it. 4.
Paint blows out
too hard
Air pressure set too high. 1. Adjust Air Regulator to no more than 45 PSI. 1.
Fine tune air pressure using Air Adjustment
Valve (31).
Follow all safety precautions whenever diagnosing or servicing the tool.
disconnect air supply before service.