Ingersoll Rand — Assembly of the Gearing

Repair & overhaul · Gear Case Assembly

From a Ingersoll Rand service manual — check it applies to your exact model before use.

Procedure

1. Set the Gear Case (39) on an arbor press table with the notched end upward.
2. Using a sleeve contacting the outer ring, press the Spindle Bearing (40), open side first, into the bearing recess until it seats.
3. Install the Spindle Bearing Retainer (41) in the groove adjacent to the Bearing.
4. Work Ingersoll Rand No. 28 Grease into the teeth of the Spindle Planet Gears (42) and onto the planet gear shafts.
5. Slide the Spindle into the Gear Case so that the spindle shaft passes through the bore of the Spindle Bearing.
6. Install the Spindle Retaining Ring (44) in the groove on the spindle shaft.
7. Slide the Spindle Planet Gears onto the planet gear shafts so the teeth mesh with the Gear Case.
8. For M or N Gear Ratio, coat the Gear Head Spacer (46) with grease and place it against the Spindle Planet Gears.
9. Slide the Gear Head (47) into the Gear Case and slide the Gear Head Planet Gears (48) onto the planet gear shafts.
10. Work grease into the Rotor Pinion (45) and place it in the Gear Head meshing with the Gear Head Planet Gears.
11. Place the Motor Clamp Washer (49) in the Gear Case and install the Clamp Washer Retaining Ring (50).
12. Thread the Gear Case into the Motor Housing and tighten to 15 and 18 ft-lb (20 and 25 Nm) torque.

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.

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