Ingersoll Rand — Assembly of the Tool

Repair & overhaul

From a Ingersoll Rand service manual — check it applies to your exact model before use.

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. See Dwg. TPD2021-1.
3. Install a new Hammer Case Gasket (41) on the Hammer Case, aligning the gasket holes with the Hammer Case holes.
4. Wipe 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 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.
6. Place a new Handle Gasket (19) over the rear of the Housing, aligning the gasket holes and profiles with the Housing.
7. Place a Motor Clamp Washer (20) over the rear of the motor with the convex side up.
8. Place O-ring (32) in the counterbore around the air passage on the housing.
9. Place the Handle (1) over the back of the Housing with the Reverse Valve Lever (8) in the full-forward (clockwise) position and index marks aligned.
10. Install the four Backcap Bolts and tighten to 10-12 ft-lbs (13-16 Nm) torque.

Source: Ingersoll Rand service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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