V1.0
6 in. Dual Action Air Sander
8844136
Visit www.princessauto.com for more information
11
Problem(s)
Possible Cause(s)
Suggested Solution(s)
Tool runs at
normal speed,
but loses
power under
load.
Motor parts worn.
1. Have a qualified technician service the
tool.
2. Replace tool or parts.
Tool runs
slowly. Air
flows slightly
from exhaust.
Motor parts jammed with
dirt particles.
OR
Airflow blocked by dirt.
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.
Tool runs
slowly. Air
flows slightly
from exhaust.
1. Air regulator in closed
position.
2. Damage or excessive
wearing of internal
parts.
1. Open the air regulator to desired
airflow.
2a. Have a qualified technician service
the tool.
2b. Replace tool or parts.
Tools will not
run. Air flows
freely from
exhaust.
Damage or excessive
wearing of internal parts.
1.
Have a qualified technician service
the tool.
2.
Replace tool or parts.
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.
4. Air hose leaks
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. Tighten and seal hose fittings with tape
if leaks are found.
