Ingersoll Rand — Disassembly of the Hammer Case and Anvil Assembly
Repair & overhaul
From a Ingersoll Rand service manual — check it applies to your exact model before use.
Before you start
- Before disassembling this tool, clamp the anvil drive in leather-covered or copper-covered vise jaws with the Handle (1) pointing upward.
Procedure
- Clamp the anvil drive in leather-covered or copper-covered vise jaws with the Handle (1) pointing upward. See Drawing TPD2021-1.
- Unscrew and remove the four Handle Bolts (2).
- Lift the assembled Motor Housing (30) off of the Hammer Case (43), holding the Backcap in position.
- Remove the Hammer Case Gasket (41) and replace with a new one when assembling.
- Remove the Hammer Case and impact mechanism assembly from the vise.
- Remove the Hammer Frame Washer (36) from the rear of the Hammer Frame and set aside on a clean bench.
- Place the impact mechanism on a bench with the Anvil pointing upward; make sure Hammer Pins (38) do not drop out.
- Lift the Hammer Case off of the Anvil (40). If disassembly of the impact mechanism is unnecessary, set it aside intact.
Tools required
- Leather-covered or copper-covered vise jaws Amazon
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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.