Chapter 5 Final Drive; Rear Gear Case Assembly - Linhai HY740STL 2018 Service Manual

CHAPTER 5 FINAL DRIVE

5.11REAR GEAR-BOX
5.11.1 REAR GEAR CASE DISASSEMBLY
1. Drain and properly dispose of used oil.
2. Loosen the cover bolts in a crisscross pattern
in several steps and remove them.
3. Pry the cover at the prying points using a
screw-driver and remove the output cover.
Remove the o-ring.
4. Remove the ring gear and bearing assembly.
5. Remove the oil seals and o-ring.
6. Unstake the pinion bearing lock nut with a drill
or grinder. Remove the lock nut using the
special tool.
7. Remove the pinion bearing assembly.

5.11.2 REAR GEAR CASE ASSEMBLY

1. Drive the pinion gear assembly into the drive
housing.
2. Install a new lock nut and tighten it using the
special tool.
3. Stake the lock into the case groove.
4. Coat a new O-ring with grease and install it
onto the pinion gear shaft.
5. Apply grease to the lips of new oil seals.
Install the inner oil seal into the drive housing
until it is flush with the stepped edge.
6. Install the outer oil seal into the drive housing
until with the drive housing outer surface.
7. Coat a new O-ring with grease and install it
into the cover groove.
8. Install the outer cover onto the drive housing.
M550 SERVICE MANUAL 2016.0
CHAPTER 5 FINAL DRIVE. 5- 21