Ingersoll Rand — Assembly of the Tool

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

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Procedure

1. Set the assembled impact mechanism down over the splined hub of the Rotor.
2. Position the Hammer Case Gasket (32) on the Housing.
3. Work approximately 12 to 15 cc of Ingersoll Rand No. 170 Grease into the impact mechanism.
4. Smear a thin film of Ingersoll Rand No. 170 Grease on the inside surface of the Hammer Case Bushing (34), and place the Hammer Case (33) down over the Anvil and against the Motor Retainer.
5. Install the Hammer Case Cap Screws (35) and tighten them between 20 and 25 ft-lb (27 and 34 Nm) torque.
6. Remove the tool from the vise and inject 2 to 4 cc of Ingersoll Rand No. 170 Grease into the Grease Fitting (10).

Source: manual:maintenance_manual_1720b-1720p_16601619_c_ed03.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.