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.
Tool will not shut
off.
Loss of power or
erratic
performance.
The jaws will not
open.
Visit www.princessauto.com for more information
1/4 in. Air Riveter
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.
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.
1. The nosepiece is loose.
2. The jaws are dirty.
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. 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.
1. Tighten the nosepiece.
2. Remove and clean the jaws.
8843732
13