Ingersoll-Rand 2955 Series Service Instruction page 6

Service Steps Disassembly
6
Power Tools and Industrial Lifting - Customer Technical Service
Set Reverse Lever to center position.
This will avoid the Reverse Lock Plunger from jamming while
removing the Reverse Lever Assembly.
Use a 1/4" Hex wrench to loosen (4) Cap screws.
Remove (4) Cap screws.
Remove Handle Assembly.