Harbor Freight Tools CENTRAL PNEUMATIC 68128 - Manual (Page 11)

SKU 68128 For technical questions, please call 1-800-444-3353. Page 11
Troubleshooting
Problem Possible Causes Likely Solutions
Decreased output. Not enough air pressure and/ 1.
or air flow.
Obstructed trigger. 2.
Incorrect lubrication or not 3.
enough lubrication.
Blocked air inlet screen (if
4.
equipped).
Air leaking from loose housing,
5.
hose or connections.
Mechanism contaminated.
6.
Vane wear or damage. 7.
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 90 PSI maximum
air pressure.
Clean around trigger to ensure free
2.
movement.
Lubricate using air tool oil and grease
3.
according to directions.
Clean air inlet screen of buildup.
4.
Make sure housing is properly assembled 5.
and tight. Repair hose/connection air leaks.
Have qualified technician clean and lubricate
6.
mechanism. Install in-line filter in air supply
as stated in Initial Set Up: Air Supply.
Replace all vanes.
7.
Housing heats
during use.
Incorrect lubrication or not 1.
enough lubrication.
Worn parts.
2.
Lubricate using air tool oil and grease 1.
according to directions.
Have qualified technician inspect internal
2.
mechanism and replace parts as needed.
Severe air
leakage.
Cross-threaded housing 1.
components.
Loose housing. 2.
Damaged valve or housing. 3.
Dirty, worn or damaged valve. 4.
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.
Clean or replace valve assembly. 4.
Follow all safety precautions whenever diagnosing or servicing the tool.
disconnect air supply before service.