Ingersoll Rand — Disassembly of Motor
A Ingersoll Rand service procedure — check it applies to your exact model before use.
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Before you start
- The End Plate Dowel (26) will be free to move when the Front End Plate (25) clears the Housing. Do not lose it.
Procedure
- Grasp the Motor Retainer (29) and lift it from the Motor Housing (1).
- Lift the Rear Hammer Frame Washer (35) and the two Motor Clamp Washers (28) from the front of the motor.
- Grasping the spline of the Rotor (21), carefully lift the assembled motor from the Motor Housing.
- Remove the Rear End Plate Gasket (20).
- Slide the Front End Plate (25) and Front Rotor Bearing (27) from the Rotor.
- Remove the Cylinder Dowel (24), Cylinder (23) and Vanes (22) from the Rotor.
- Using snap ring pliers, remove the Rear Rotor Bearing Retainer (17) and slide the Rear End Plate (19) and Rear Rotor Bearing (18) from the Rotor.
- If the Front Rotor Bearing or Rear Rotor Bearing requires replacement, press it from the End Plate with an arbor press.
- Remove the Housing from the vise.
Tools required
- snap ring pliers
- arbor press
Source: manual:maintenance_manual_1720b-1720p_16601619_c_ed03.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.