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Troubleshooting
Problem
Decreased output. 1. Not enough air pressure and/or air
flow.
2. Obstructed trigger.
3. Incorrect lubrication or not enough
lubrication.
4. Blocked air inlet screen (if equipped).
5. Air leaking from loose housing, hose
or connections.
6. Mechanism contaminated.
7. Vane wear or damage.
Housing heats
1. Incorrect lubrication or not enough
during use.
lubrication.
2. Worn parts.
Severe air
1. Cross-threaded housing
leakage.
components.
(Slight air leakage
is normal,
2. Loose housing.
especially on older
tools.)
3. Damaged valve or housing.
4. Dirty, worn or damaged valve.
Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect air supply before service.
Item 66984
Possible Causes
For technical questions, please call 1-888-866-5797.
Likely Solutions
1. Check for loose connections and make sure 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. Clean around trigger to ensure free movement.
3. Lubricate using air tool oil and grease according to
directions.
4. Clean air inlet screen of buildup.
5. Make sure housing is properly assembled and tight.
Repair hose/connection air leaks.
6. Have qualified technician clean and lubricate
mechanism. Install in-line filter in air supply as stated in
Initial Set Up: Air Supply.
7. Replace all vanes.
1. Lubricate using air tool oil and grease according to
directions.
2. Have qualified technician inspect internal mechanism
and replace parts as needed.
1. Check for incorrect alignment and uneven gaps. If
cross-threaded, disassemble and replace damaged
parts before use.
2. Tighten housing assembly. If housing cannot tighten
properly, internal parts may be misaligned.
3. Replace damaged components.
4. Clean or replace valve assembly.
Page 12
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