Rear Axle - Sd80, Pd70; Drive Head-Dismantling - jcb 214e Service Manual

Backhoe loader

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As the drivehead cannot be dismantled whilst fitted on the

machine, we recommend that the complete axle is removed.

See Brakes and Hub and Driveshaft for axle arm removal

The crownwheel and pinion are matched and should be

renewed as a pair if either one is damaged or excessively

worn. The two differential case halves are also matched as

are the differential side gears and planet gears, do not use

unmatched halves or gears.

Position the drive head as shown, with the crownwheel

Match - mark the brake piston housing and drive head.

Pull off the brake piston housing.

Drive out the differential side nut locking pin, to allow

readjustment on assembly. Remove the other brake

piston housing only if damaged, but remove its locking

p in regard less (t o allow sid eload ad just m ent on

Lift out the crownwheel/differential assembly.

Note: If both brake piston housings are to be removed,

mark the crownwheel end of the drive head casing to ensure

that the assembly is returned to its original position.

Using a soft faced hammer, hit the pinion end shaft until

the pinion is free from its front bearing, then withdraw

Withdraw the pinion seal and outer bearing cone.

7 If necessary, drive out the pinion inner bearing cup and

shims. Discard the shims. Repeat for the outer bearing

cup if required. Note that there are no shims for the outer

bearing cup.

Transmission

Rear Axle - SD80, PD70

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4cx 3cx 214 215 217