Ingersoll Rand — Disassembly of the Motor and Throttle
Repair & overhaul
From a Ingersoll Rand service manual — check it applies to your exact model before use.
Before you start
- Use only the special 99V60-950 Controller Wrench for removing the Controller Assembly. Do not attempt to disassemble the Controller.
Procedure
- Using the No. R2J-562 Deflector Screw Wrench, remove the Exhaust Deflector Screws (28).
- Lift off the Exhaust Deflector (25), Exhaust Deflector Gasket (26A), Exhaust Diffuser (27) and Exhaust Baffle (26).
- Grasp the Arbor Housing (29) in a vise.
- Unscrew the Arbor Housing Screws (30) and remove the Lock Washers (31).
- Lift off the Throttle Handle Assembly (1) to expose the motor. Remove the Arbor Housing Gasket (32).
- Pull the motor unit out of the Arbor Housing.
- Turn over the Arbor Housing; the two Motor Clamp Washers (49) will drop out.
- Grasp the Rotor Shaft (48) in the vise.
- Remove the Controller Retaining Nut (34) and unscrew the Controller Assembly.
- Lift off the Rear End Plate Gasket (33).
- Set the Bearing Cage (37) on blocks in an arbor press and press off the Bearing Cage.
- Lift off the Rotor Bearing Seal (36) and Rear End Plate (39).
- Lift off the Cylinder (40). Remove the Vanes (44).
- Withdraw the Rotor (43) and lift out the Rotor Key (45).
- Tap the small diameter end of the rotor shaft to remove the Front End Plate (46).
Tools required
- No. R2J-562 Deflector Screw Wrench Amazon
- Vise with leather- or copper-covered jaws Amazon
- Arbor press Amazon
- No. 99V60-A952 Bearing Clamp Amazon
- No. 99V60-951 Seal Pressing Tool Amazon
- Soft hammer Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Source: Ingersoll Rand service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.