GROVE Published 1-20-2017, Control# 483-02 8-11
CD5515-2/YB5515-2 SERVICE MANUAL AXLES/DRIVE SHAFTS/WHEELS AND TIRES
Drive Head Repair
The following procedures can only be carried out with the
axle removed from the crane. See “Removal”, on page 8-4.
It will be necessary to provide a suitable stand to support the
axle after removal.
The crownwheel and pinion are a matched set and should be
replaced together if either is damaged or excessively worn.
The differential case halves are also a matched set as are
the differential side gears and planet gears. Do not use
unmatched case halves and gears.
Disassembly
1. Before disassembling the axle, drain the oil from the axle
into a suitable container.
2. Remove the steering cylinders and track rod.
3. Remove both axle arms.
a. Support the axle arm and remove bolts A
Figure 8-12.
b. Jack the axle arm off of the drive head, using the
drive head securing bolts Figure 8-13. Remove all
traces of gasket material from the mating surfaces.
4. Remove the drive shaft coupling. See Replacing the
Pinion Oil Seal on page 8-6.
5. Position the drive head as shown in Figure 8-14, with the
crownwheel at the top. Remove capscrews A.
6. Match - mark the brake piston housing B Figure 8-15
and the drive head. Pull off the brake piston housing.
Reference Only
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