ZF Repair Manual: ZF63A, ZF63, ZF80A, ZF80-1A
<< Previous of 84 Next >>7. TAPERED ROLLER BEARINGS
Check for failed bearings or excessive bearing wear.
7.1 Outer races of tapered roller bearing
Remove the outer races out of the housing halves by
means of the special tool (Fig. 7-1) or by heating the
housing halves in an oven to approx. 120 ëC (248 F):
Put the housing in the oven upside down, so the outer
races will fall down.
|
WARNING
|
Use protective gloves when handling the heated
housing and outer races.
+
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IMPORTANT
|
Regard location of shims under each outer race for
correct position during reassembling.
Shims are located under outer races of the cover
only.
FIG. 7-1
7.2 Inner races of tapered roller bearings
NOTE
.
Input shaft - spline side
.
The extractor (Fig. 7-2a) is required for pulling the
inner races off.
For extracting the inner races proceed as follows:
.
Screw in adapter onto the puller (item 1).
.
Place adapter onto the roller cage.
.
Tighten collar to rollers by means of cap nut (item 2).
.
Screw spindle (item 3)against shaft and pull bearing
evenly and carefully off.
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WARNING
|
Improper use of the extractor when removing the
races, could cause damage to the race or slip off.
FIG. 7-2a
FIG. 7-2b
Input shaft - Control block side
The inner race and the gear on the control block side can
be removed by using the split ring and a standard hy-
draulic press (fig. 7-2b).
14
Repair Manual and Spare Parts List
Section 3: Disassembly
3
2
1
INPUT SPLINE SIDE
CONTROL BLOCK SIDE