Gradall 534B (9103-1390) Service Manual - Manual (Page 171)

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Figure 204
Remove idler gear and outer taper bearing from idler
shaft.
Figure 205
Remove bearing spacer.
Figure 206
Remove inner taper bearing.
Figure 208
Remove idler shaft, use caution as not to lose shaft lock
ball. Refer to page 21 for further disassembly.
REASSEMBLY OF LOCKNUT TYPE
IDLER SHAFT
Figure 209
With new “O” ring on shaft, position idler shaft and lock
ball in converter housing. Tap shaft into position. Note
lock ball.
Figure 207
Remove bearing spacer.