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Ingersoll Rand — Assembly of the Tool

A Ingersoll Rand service procedure — check it applies to your exact model before use.

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Before you start

  • When installing optional Hanger Kit, place Gasket on the Hammer Case followed by the Hanger
  • When installing optional Hanger Kit, place additional washer provided between the Hammer Frame and Hammer Frame Washer

Procedure

  1. Wipe a thin film of the recommended grease on the inside of the Hammer Case Bushing (42) and insert the assembled impact mechanism into the Hammer Case (43).
  2. Secure the Hammer Case and impact mechanism by the anvil (square drive) end in leather-covered or copper-covered vise jaws.
  3. Install a new Hammer Case Gasket (41) on the Hammer Case making sure that the holes in the gasket align with the holes in the Hammer Case.
  4. Wipe a small amount of the recommended grease on the flat side of the Hammer Frame Washer (36) and place it on the splined face of the Hammer Frame (37) with the hub end of the washer pointing up.
  5. Set the fully assembled Motor Housing over the opening in the Hammer Case. Insert the spline drive of the Rotor into the splined hole of the impact mechanism. Make sure of the wide section of the Hammer Case is just above the Trigger.
  6. Place a new Handle Gasket (19) over the rear of the Housing making sure that the holes in the Gasket align with the holes in the Housing and that the profile of the Gaskets matches the profile of the Housing.
  7. Place a Motor Clamp Washer (20) over the rear of the motor with the convex side up and matching the large outside diameter of the Rear End Plate.
  8. Place O-ring (32) in counterbore around air passage on the housing.
  9. Place the Handle (1) over the back of the Housing making sure that the Reverse Valve Lever (8) is in the full-forward (clockwise) position with the lugs in the Lever 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.
  10. Install the four Backcap Bolts and tighten to 10-12 ft-lbs (13-16 Nm) torque.

Tools required

  • Leather-covered or copper-covered vise jaws

Specs & torque values

  • Ingersoll Rand No. 170 Grease
  • Hammer Case Bushing (42)
  • Hammer Case (43)
  • Hammer Case Gasket (41)
  • Hanger Kit
  • Hammer Frame Washer (36)
  • Hammer Frame (37)
  • Motor Housing
  • Handle Gasket (19)
  • Motor Clamp Washer (20)
  • Handle (1)
  • Reverse Valve Lever (8)
  • Reverse Valve
  • Backcap Bolts
  • 10-12 ft-lbs (13-16 Nm) torque
  • O-ring (32)

Source: manual:04584355ed3c.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.