Ingersoll-Rand 2955 Series Service Instruction page 2

Power Tools and Industrial Lifting - Customer Technical Service
Service Steps Disassembly
Using a 5/16 Hex wrench break loose (4) Hammer Case Cap
Screws.
Remove the (4) Hammer Case Cap Screws.
Use a dead hammer to dislodge the Hammer Case from tool by
tapping the Anvil while holding on to the Hammer Case.
Push lightly down with the left while removing the Hammer Case
with the right hand.
2