Troubleshooting - pro.point 1/4 IN. MINI Instructions Manual

8844169

TROUBLESHOOTING

Visit a Princess Auto Ltd. location for a solution if the tool does not
function properly or parts are missing. If unable to do so, have a
qualified technician service the tool.
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. 1. Throttle valve o-ring
Loss of power or
erratic performance.
14
1/4 and 1/8 in. Mini Air Die Grinder
POSSIBLE CAUSE(S)
Motor parts worn.
Motor parts jammed
with dirt particles.
OR
Airflow blocked by dirt.
Air regulator in closed
position.
Damage or excessive
wearing of internal
parts.
dislodged from seat
inlet valve.
2. Trigger mechanism
jammed or dirty.
1. Excessive drain on
the air hose.
Incorrect size or type
of hose couplers.
2. Moisture or
restriction in the air
hose/tank
3. Air compressor has
insufficient flow.
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.
Open the air regulator to desired
airflow.
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.
For technical questions call 1-800-665-8685
V1.0