Gradall 534B (9020-7317) Service Manual - Manual (Page 181)

Figure 116
Remove reverse idler gear and bearing assembly.
Figure 113
Straighten lockplate tabs from reverse idler capscrews.
NOTE: Some units will have a lock nut type idler gear retention.
Disassembly and reassembly of this type is explained in detail
starting on page 45, Figure 202.
Figure 112
Forward clutch will disassemble and reassemble the same as
the reverse clutch. Install new clutch shah piston rings and
expander springs per instructions on page 50.
CONVERTER HOUSING DISASSEMBLY
Figure 111
Install new clutch shaft piston rings and expander springs per
instructions on page 50. NOTE: 2nd and 3rd clutch uses a
return spring and not disc spring washer for piston return.
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Figure 114
Remove reverse idler capscrews.
Figure 115
Remove reverse idler shaft front capscrews.