Problem(s) Possible Cause(s) Suggested Solution(s)
Tools will not run.
Air flows freely
from exhaust.
1. Damage or
excessive wearing
of internal parts.
2. Insufficient internal
lubrication.
1. Have a qualified technician
service the tool.
2. Replace tool or parts.
3. Lubricate tool per air tool
lubrication instructions.
Tool will not shut
off.
1. Throttle valve o-ring
dislodged from inlet
valve seat.
2. Trigger mechanism
jammed or dirty.
1. Replace throttle valve o-rings.
2. Clean trigger mechanism and
lubricate.
Loss of power or
erratic
performance.
1. Excessive drain
on the air hose.
Incorrect size or
type of hose
connectors.
2. Moisture or
restriction in the air
hose/tank
3. Air compressor has
insufficient flow.
1. Check the air hose and confirm
the hose fitting is correct for
the inlet bushing.
2. Depressurize system and drain
tank and air hose of water.
3. Ensure tool is connected to a
compressor with a rate flow
that matches the tool.
V1.0 COMPOSITE AIR IMPACT WRENCH 9058421
Page 15 Assistance available at www.princessauto.com or 1-800-665-8685
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