Ingersoll-Rand 2955 Series Original operating manual

2955 Series Impact Wrench
Service Instruction
5/16 HEX Wrench
Required Service Tools
IR Grease Gun IR #10 Oil
Grease #170
Torque Wrench
O-ring LubricationMedium read Locker
Arbor Press Long in T handle HEX 1/4 HEX Wrench
Power Tools and Industrial Liing - Customer Technical Service

2
Power Tools and Industrial Liing - 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 le while removing the Hammer Case
with the right hand.

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Power Tools and Industrial Liing - Customer Technical Service
Service Steps Disassembly
Grasp the Anvil rmly. Carefully li and pull the assembly o
the Tool.
Take care not to let the assembly come apart.
Hammer Frame Assembly
To disassemble Hammer Frame Assembly:
• Hold rmly onto the Hammer Frame.
• Rotate Anvil slightly while liing to disengage the Anvil from
the Hammers and remove it from Hammer Frame.
The Hammers are idencal but need to be placed back in the
same orientaon as they were when they were taken apart.
Mark the Hammers for re-installaon later.

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

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Power Tools and Industrial Liing - Customer Technical Service
Service Steps Disassembly
Remove Hammer Case Gasket.
Pinch the Exhaust Guard upward to dislodge and remove it.
Remove Exhaust Silencer.
Set Motor Assembly Housing upright on the bench.

6
Power Tools and Industrial Liing - Customer Technical Service
Service Steps Disassembly
Set Reverse Lever to center posion.
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.

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Power Tools and Industrial Liing - Customer Technical Service
Service Steps Disassembly
Remove (2) Motor Clamp Washers.
Remove Handle Gasket.
From the Exhaust Outlet use the short end of the 1/4” Hex
wrench to press the Reverse Valve upwards.
Remove Oring.

8
Power Tools and Industrial Liing - Customer Technical Service
Service Steps Disassembly
Remove Reverse Valve Assembly.
Remove Reverse Lock Plunger and Spring.
Holding on to the End Plate, ip Motor Housing Assembly
onto its End Plate.
Li the Motor Housing Assembly o Rotor, Rear End Plate, and
Rear Rotor Bearing which will remain together as unit.

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Power Tools and Industrial Liing - Customer Technical Service
Service Steps Disassembly
Remove Cylinder Dowel.
Remove (6) Vanes.
Remove Rotor from Rear End Plate.
Motor Housing Assembly
1. Cylinder
2. Front Endplate
1
2

10
Power Tools and Industrial Liing - Customer Technical Service
Service Steps Disassembly
To remove Cylinder and Front End Plate from Motor Housing
Assembly, place Motor housing facing up on workbench.
Thread four 5/16” - 18 thread socket head cap screws that are at
least 3” (75mm) long into the handle end of Housing.
Grasping Housing with installed screws downward, sharply strike
heads of screws on a sturdy table to dislodge Cylinder.
Cylinder should drop out of housing aer a few impacts.