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7. Place a Motor Clamp Washer (19) over the rear of the
motor with the convex side up and matching the large
outside diameter of the Rear End Plate.
8. Place the Backcap (14) over the back of the Housing
making sure that the Reverse Valve Lever (16) is in the
full-forward (clockwise) position with the lugs in the Lever
Troubleshooting Guide
Trouble
Probable Cause
Dirty Inlet Bushing or Air Strainer
Screen and/or Exhaust Silencer
Worn or broken Vanes
Low
Worn or broken Cylinder and/or
power
scored End Plates
Dirty motor parts.
Improper positioning of the
Reverse Valve Lever or Reverse
Motor will
Valve
not run
Incorrect assembly of the motor.
Insufficient lubricant in the impact
mechanism
Tool will
Broken or worn impact
not impact
mechanism parts
Impact Mechanism not assembled
correctly.
Related Documentation
For additional information refer to:
Safety Information Manual 04580916.
Product Information Manual 04584926.
Parts List Manual 04584637.
Manuals can be downloaded from www.irtools.com.
04584363_ed2
engaging the slots in the Reverse Valve. Make sure that
the index mark on the Reverse Valve lines up with the
index mark on the reverse valve bushing.
9. Install the four Backcap Bolts and tighten to 10-12 ft-lbs
(13-16 Nm) torque.
Solution
Using a clean, suitable, cleaning solution, in a well ventilated area, clean
Air Strainer Screen, Inlet Bushing and Exhaust Silencer.
Replace the complete set of Vanes.
Examine the Cylinder and replace it if it is worn or broken or if the bore is
scored or wavy. Replace the End Plates if they are scored.
Disassemble tool and clean all parts with a suitable cleaning solution, in a
well-ventilated area. Reassemble tool as instructed in this manual.
Make certain that the Reverse Valve Lever is in the reverse position or one
of the three forward positions. If the tool has been disassembled, refer to
Dwg. TPD1912-1 for proper Reverse Valve and Reverse Lever orientation.
Disassemble the motor, replace worn or broken parts and reassemble as
instructed.
Remove the Hammer Case Assembly and lubricate the impact
mechanism.
Remove the Hammer Case and examine the impact mechanism parts.
Replace any worn or broken parts.
Refer to Assembly of the Impact Mechanism.
EN-5
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