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c.
Place End Plate Gasket (11) on face of Rear End Plate.
d.
Install Backhead (12) on rear face of Motor Housing. Tighten
Backhead Cap Screws (14) to 75 to 90 ft-lb (102 to 122 Nm)
torque.
e.
Install Grip Handle (15) on rear face of Backhead. Tighten
Grip Handle Cap Screws (16) to 75 to 90 ft-lb (102 to 122 Nm)
torque.
8. Install assembled gearing as follows:
a.
Grasp Dead Handle (29) in a vise so gear end of Motor
Housing is upward.
b.
Place a Housing Cover Gasket (40) on face of Motor Housing.
c.
Place assembled Planet Gear Frame (31) and Motor Housing
Cover (39) on the face of the Motor Housing, making certain
the Planet Gears (32) mesh with the Rotor Pinion (19) and
Internal Gear (28). Manually, rotate Planet Gear Frame two or
three revolutions to make certain there is no binding.
Troubleshooting Guide
Trouble
Low power
Dirty Inlet Bushing or Air Strainer Screen and/or
Exhaust Silencer
Worn or broken Vanes
Worn or broken Cylinder and/or scored End Plates Examine Cylinder and replace it if it is worn or broken or if bore is
Dirty motor parts
Improper positioning of Reverse Valve
Motor will not run
Incorrect assembly of motor
Insufficient lubricant in the impact mechanism
Tool will not impact Broken or worn impact mechanism parts
Impact mechanism not assembled correctly
Related Documentation
For additional information refer to:
Product Safety Information Manual 04580916.
Product Information Manual 03532124.
Parts Information Manual 16606030.
Manuals can be downloaded from www.irtools.com.
4
Probable Cause
9. Install assembled impact mechanism as follows:
a.
With Impact Wrench positioned as it was in Step 8 (a), place a
Housing Cover Gasket on face of Motor Housing Cover (39).
b.
Place assembled impact mechanism on pilot of Gear Frame
(31), making certain hexagon section on Gear Frame enters
the hexagon bore of Ball Cam (46).
c.
Work some Ingersoll Rand Impact Wrench No. 100 Grease
on protruding end of the Arbor (47) and place an Anvil Drive
Pin (51) on each side of Arbor. The grease will hold the Pins
in position.
d.
Grease jaws and shank of Anvil with Impact Wrench Grease
No. 100 and set Anvil down over end of Arbor so Anvil Drive
Pins enter bore of Anvil.
e.
Place Hammer Case (52) over Anvil and against Motor Housing
Covel Install Hammer Case Cap Screws (41). Tighten Hammer
Case Cap Screws to 150 to 175 ft-lb (203 to 237 Nm) torque.
10. Thread Throttle Assembly into side of Motor Housing.
Using a clean, suitable, cleaning solution, in a well ventilated area,
clean Air Strainer Screen, Inlet Bushing and Exhaust Silencer.
Replace complete set of Vanes.
scored or wavy. Replace End Plates if they are scored.
Disassemble tool and clean all parts with a clean, suitable, cleaning
solution, in a well-ventilated area. Reassemble tool as instructed in
this manual.
Make certain that Reverse Valve is fully engaged to the left or right.
Disassemble motor and replace worn or broken parts and reassemble
as instructed.
Remove Hammer Case Assembly and lubricate impact mechanism.
Remove Hammer Case and examine impact mechanism parts.
Replace any worn or broken parts.
Refer to Assembly of the Impact Mechanism.
Solution
16606048_ed1
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