Ingersoll-Rand 2955 Series Service Instruction page 4

Service Steps Disassembly
1
2
4
Power Tools and Industrial Lifting - Customer Technical Service
Use a slim hex wrench to push (2) Hammer Pins from the
Hammer Frame.
Remove (2) Hammers from the Hammer Frame.
Hammer Frame components
3
4
Motor Housing Assembly
1. Hammer Frame
2. Hammers
3. Anvil
4. Hammer Pins