41. 4TH Drive Gear and Clutch Hub Replacement

4th Drive Gear and Clutch Hub Replacement

- Tools Required
- DT 46509 Tube Style Driver, 40 mm I.D.

Disassembly






Important: Place a shaft protector (1) between the press and mainshaft (641) in order to prevent damage to the mainshaft during 4th drive gear and clutch removal.

Using a hydraulic press, remove the 4th drive gear and clutch hub assembly (607).

Inspection





1. Inspect the splines on the mainshaft (641) for excessive wear or damage. Replace mainshaft assembly if needed.
2. Check the mainshaft (641) bearing surfaces for scoring or excessive wear. Replace main shaft if necessary.





3. Inspect the 4th drive gear and clutch hub assembly (607) and the 4th drive gear and clutch hub bearing (606) for wear or damage.
4. Replace the 4th drive gear and clutch hub assembly (607) and the 4th drive gear and clutch hub bearing (606) if the gear is worn or damaged.

Assembly






Important: Lubricate all parts with automatic transmission fluid during assembly.

Place a shaft protector between the press and the mainshaft (641) in order to prevent damage to the mainshaft.

Using the DT 46509 and a hydraulic press, install and properly seat the 4th drive gear and clutch hub assembly (607) onto the mainshaft (641).