Tool Troubleshooting

Problem

 

Possible Causes

 

Likely Solutions

Decreased output.

1. Not enough air pressure

1.

Check for loose connections and make sure

 

 

and/or air flow.

 

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.

 

2.

Obstructed trigger.

2.

Clean around trigger to ensure free

 

 

 

 

movement.

 

3.

Blocked air inlet screen (if

3.

Clean air inlet screen of buildup.

 

 

equipped).

 

 

 

4.

Air leaking from loose

4.

Make sure housing is properly assembled and

 

 

housing.

 

tight.

 

5.

Air Regulator set too low.

5.

Adjust Air Regulator setting.

Severe air

1. Cross-threaded housing

1.

Check for incorrect alignment and uneven

leakage.

 

components.

 

gaps. If cross-threaded, disassemble and

(Slight air leakage

 

 

 

replace damaged parts before use.

is normal,

2. Loose housing.

2.

Tighten housing assembly. If housing cannot

especially on older

 

 

 

tighten properly, internal parts may be

tools.)

 

 

 

misaligned.

 

3.

Damaged connectors or

3.

Replace damaged components.

 

 

housing.

 

 

 

 

 

 

 

Inconsistent paint

1.

Clogged Air Cap (1) or

1.

Clean , adjust or replace Air Cap or Fluid

flow, blobs and

 

damaged Fluid Nozzle (2).

 

Nozzle.

splatters

2.

Clogged Paint Filter (27).

2.

Clean Paint Filter (27).

 

3.

Damaged or dirty Paint

3.

Clean, repair or replace Paint Needle (9).

 

 

Needle (9).

 

 

 

4.

Contaminated paint.

4.

Remove paint and filter it.

Paint blows out

1.

Air pressure set too high.

1.

Adjust Air Regulator to no more than 45 PSI.

too hard

 

 

 

Fine tune air pressure using Air Adjustment

 

 

 

 

Valve (31).

Follow all safety precautions whenever diagnosing or servicing the tool. Disconnect air supply before service.

SKU 66222

For technical questions, please call 1-800-444-3353.

Page 14

Page 14
Image 14
Harbor Freight Tools 66222 operating instructions Tool Troubleshooting, Problem Possible Causes Likely Solutions