Ingersoll Rand — Assembly of the Square Drive Anvil and Spline Drive Anvil

Repair & overhaul · Square Drive / Spline Drive Anvil

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

Procedure

1. Place the Hammer Frame Washer (33), hub side first, over the hub of the Rotor and against the Front Rotor Bearing.
2. Set the assembled impact mechanism down over the splined hub of the Rotor.
3. Position the new Hammer Case Gasket (37) on Housing.
4. Work approximately 12 to 15 cc of Ingersoll Rand No. 170 Grease into the impact mechanism.
5. Smear a thin film of No. 170 Grease on the inside surface of the Hammer Case Bushing (38) and place the Hammer Case (39) over the Anvil.
6. Install the Backcap Bolts and tighten them to 10 to 12 ft-lb (13 to 16 Nm) torque.
7. Remove the Impactool from the vise and inject 2 to 4 cc of Ingersoll Rand No. 170 Grease into the Grease Fitting (17).

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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