Ingersoll Rand — Disassembly of the Air Impactool

Repair & overhaul

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

Procedure

1. Grasp tool in copper-covered or leather-covered vise jaws with square drive upward.
2. Squeeze sides of Exhaust Deflector (32) and remove from Motor Housing Assembly (26); remove Exhaust Silencer (33).
3. Using a hex wrench, unscrew and remove the four Hammer Case Cap Screws (41) and Dead Handle Bracket (42).
4. While lightly tapping the end of Anvil (38) with a plastic hammer, lift off Hammer Case (39).
5. Remove the Hammer Case Gasket (34).
6. Remove Anvil by rotating it as it is lifted out of the assembly.
7. Lift remaining hammer assembly off rotor shaft.
8. Push two Hammer Pins (36) out of Hammer Frame Assembly (35) and slide two Hammers (37) out of the Frame.

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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