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7
Trouble
Probable Cause
Solution
Exhausts at wrong direction
Incorrect orientation of the Flow Guide.
Reverse the Flow Guide inside the Motor
Housing.
Front Rotor Bearing runs hot
Incorrect installation of the Front Seal
Cup Assembly.
Reposition the Front Seal Cup Assembly flush
with the face of the Front End Plate Spacer.
Front End Plate Spacer rubbing the bore
of the Front End Plate.
Replace the Front End Plate and Front End Plate
Spacer combination.
Incorrect Front Rotor Bearing installation
orientation.
If a black stain or black hashmarks are not visible
on the face of the Bearing when it is assembled
with the End Plate and Rotor, the Bearing is
installed backwards. If possible, remove the
Bearing and install it correctly or replace the
Bearing.
Slow tool idle
Bent or leaky Throttle Valve.
Replace the Throttle Valve.
Rough operation/vibration
Improper lubrication or dirt buildup.
Disassemble the Tool and clean in a suitable
cleaning solution. Assemble the Tool and
inject 3 cm3 of the recommended oil into the
Inlet and run the tool long enough to coat the
internal parts with the oil.
Worn or broken Rear Rotor Bearing or
Front Rotor Bearing.
Replace the worn or broken Bearings. Examine
the Front End Plate, Front End Plate Spacer
Front Seal Cup Assembly and Rear Rotor Bearing
Spacers and replace any damaged parts. If the
rear end plate is damaged, replace the Rotor.
Worn or broken Upper Arbor Bearing or
Lower Arbor Bearing.
Replace the worn or broken Bearing.
Worn or broken Bevel Gear or Bevel
Pinion.
Examine the Bevel Gear and Bevel Pinion. If
either is worn or damaged, replace both the
Gear and the Pinion because they are a matched
set and must not be used separately.
Related Documentation
For additional information refer to:
Air Grinder Product Safety Information Manual Form 04584959.
Air Die Grinder Safety Information Form 04580288.
Air Sander Safety Information Form 04580387.
Product Information Manual Form 04581211, Form 04581799, Form 04581195 and Form 04581203.
Parts Information Manual Form 04581237.
Manuals can be downloaded from ingersollrandproducts.com
