Power Fist 8265399 Fiche Technique page 5

Problem
Decreased output
housing heats during use
Air leakage (slight air leakage is
normal, especially on older tools)
Follow all safety precautions whenever diagnosing or servicing the tool. Disconnect air supply before service.
for any technical questions, please call 1-800-665-8685
troUbleShooting
Possible causes
Not enough air pressure and/or air
flow
Obstructed trigger
Incorrect lubrication or not enough
lubrication
blocked air inlet screen (if equipped)
Air leaking from loose housing
Mechanism contaminated
vane wear or damage
Incorrect lubrication or not enough
lubrication
Worn parts
cross-threaded housing components
loose housing
Damaged valve or housing
Dirty, worn or damaged valve
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.
clean around trigger to ensure free
movement.
lubricate using air tool oil and grease
according to directions.
clean air inlet screen of buildup.
Make sure housing is properly
assembled and tight.
have qualified technician clean and
lubricate mechanism.
Replace all vanes.
lubricate using air tool oil and grease
according to directions.
have qualified technician inspect
internal mechanism and replace parts as
needed.
check for incorrect alignment and
uneven gaps. If cross-threaded,
disassemble and replace damaged parts
before use.
tighten housing assembly. If housing
cannot tighten properly, internal parts may
be misaligned.
Replace damaged components.
clean or replace valve assembly.
5
likely solutions