33. Mainshaft Rear Case Bearing Replacement

Mainshaft Rear Case Bearing Replacement

- Tools Required
- DT 46427 Driver, 78 mm x 90 mm
- EN 46342 Driver Handle

Removal





1. Using snap ring pliers, expand the mainshaft rear case bearing retaining ring (101) as far as possible to allow the mainshaft rear case bearing (100) to pass through the retaining ring.
2. Using the 78 mm side of the DT 46427 (2), push the mainshaft rear case bearing (100) the rest of the way out of the mainshaft rear case bearing retaining ring (101).
It is not necessary to remove the mainshaft rear case bearing retaining ring (101) unless the groove in the transmission case housing needs cleaning or the retaining ring is damaged.
3. Inspect the bearing for excessive wear or damage. Replace as needed.

Installation





1. Set the 29 mm x 82 mm x 17xl 5.5 mm mainshaft rear case bearing (100) on the transmission case housing with the groove in the up position as shown in the insert.
2. Using the snap ring pliers, expand the mainshaft rear case bearing retaining ring (101) and by hand insert the bearing partially into the transmission case housing.
3. Release the snap ring pliers, and then using EN 46342 (1) and the 78 mm side of the DT 46427 (2), push the bearing down into the transmission housing until the mainshaft rear case bearing retaining ring (101) snaps in place around and in the groove of the mainshaft rear case bearing (100).





4. After installing the mainshaft rear case bearing (100), verify that the mainshaft rear case bearing retaining ring (101) is properly seated in the bearing groove and the transmission case housing groove by measuring the mainshaft rear case bearing retaining ring end gap (a) as shown in the illustration.
Specification:
- The retaining ring end gap is between 0-7 mm (0.00-0.28 inch)