Ingersoll Rand — Disassembly of the Impact Mechanism
A Ingersoll Rand service procedure — check it applies to your exact model before use.
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Before you start
- Note the twin hammers within the Hammer Frame. These are identical, but must be placed in the Hammer Frame in a certain relationship. Using a felt-tipped pen, mark the top hammer 'T' and the bottom hammer 'B' with the arrows pointing upward
- If you continue to rotate the Anvil, it will cam the Hammers out of engagement. Do not allow this to happen
- merely rotate the Anvil until it comes up solid
- The twin hammers will be free to slide from the Hammer Frame when the Hammer Pins are removed. Do not drop the Hammers
Procedure
- Set mechanism, driver end up, on a workbench.
- With mechanism sitting upright on a workbench, slowly rotate Anvil in a clockwise direction until it comes up solid.
- Hold Hammer Frame firmly and, without disturbing hammers, gently lift Anvil, simultaneously rotating it clockwise about 1/8 of a turn, from the Hammer Frame.
- With Anvil removed, lift out the two Hammer Pins.
- Remove the Hammers.
Tools required
- Felt-tipped pen
Specs & torque values
- Hammers
- Hammer Frame
- Anvil
- Hammer Pins
Source: manual:10569408ed2b.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.