Power Fist 8844110 Mode D'emploi page 11

V1.0
Problem(s)
Tool runs at
normal speed,
but loses power
under load.
Tool runs
slowly. Air flows
slightly from
exhaust.
Tool runs
slowly. Air flows
slightly from
exhaust.
Tools will not
run. Air flows
freely from
exhaust.
Tool will not
shut off.
Loss of power
or erratic
performance.
Visit www.princessauto.com for more information
2-3/4 x 17-1/2 in. Straight Line Air Sander
Possible Cause(s)
Motor parts worn.
Motor parts jammed
with dirt particles.
OR
Airflow blocked by dirt.
1. Air regulator in
closed position.
2. Damage or excessive
wearing of internal
parts.
Damage or excessive
wearing of internal
parts.
1. Throttle valve o-ring
dislodged from inlet
valve seat.
2. Trigger mechanism
jammed or dirty.
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.
4. Abnormal vibration
and/or noise.
Suggested Solution(s)
1. Have a qualified technician service
the tool.
2. Replace tool or parts.
1. Check air inlet filter for blockage.
2. Pour air tool lubricating oil into air
inlet as per lubrication instructions
for clearing shipping grease.
3. Operate tool in short bursts to clear
debris.
4. If tool still jammed, clean tool and
lubricate per lubrication
instructions.
1. Open the air regulator to desired
airflow.
2a. Have a qualified technician
service the tool.
2b. Replace tool or parts.
1. Have a qualified technician
service the tool.
2. Replace tool or parts.
1. Replace throttle valve
o-rings.
2. Clean trigger mechanism and
lubricate.
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.
4. Immediately stop use and have a
qualified technician service the
tool.
8844110
11