Gradall 534B (9020-7317) Service Manual - Manual (Page 194)

Figure 189
Install turbine retainer ring. See Figure 189-A.
-33-
Figure 184
Position inner turbine locating ring on turbine shaft.
Install turbine on shaft.
Figure 187
Install impeller cover assembly on impeller. Use
caution as not to damage “O” ring. Bearing retainer
plate must be aligned with the turbine shafts.
Figure 188
Install impeller cover to impeller capscrews and
washers.
Tighten 11" impeller cover capscrews 12 to 16 ft.
lbs. torque [16,3 - 21,6 N.m].
Tighten 12" impeller cover capscrews 23 to 25 ft.
lbs. torque [31,2 - 33,8 N.m].
Figure 185
If the impeller cover bearing retaining washer or
bearing was replaced, use the following procedure for
reassembly. Heat cover 200° to 250° F [93°- 121° C].
Position snap ring in groove. Place bearing retainer
washer in cover. While cover is hot press bearing into
position spreading ears on snap ring at the same time.
Align snap ring groove in bearing with snap ring.
Release snap ring. Check ring to be certain it is in full
position in groove.
Figure 186
Position new “O” ring on impeller cover.