4.1.4 Mounting inner races of tapered roller
bearings
Heat inner race of tapered roller bearing (item 1, Fig. 1-
4) to approx. 120ë (248ëF) and push onto input shaft.
After cooling down, press bearing carefully against but-
ting ring (item 2, Fig. 1-4) by means of a sleeve and a
hydraulic or manual press.
|
CAUTION
|
Handle heated tapered roller bearing inner race only
with special gloves!
NOTE
For pressing, apply sleeve to inner race but not to
rollers.
4.1.5 Assemble shims, support shims and
retaining ring ZF 85 IV - ZF 80IV
(ZF 85 IV DERIVATE VERSION)
.
Place the shims (item 1, Fig. 1-5).
.
Install the washer (item 2, Fig. 1-5).
.
Put the retaining ring (item 3, Fig. 1-5) in the groove
of the input shaft using a plier.
|
WARNING!
|
.
Correct the shim thickness:
check that there is no slack between washer and
the retaining ring.
.
Maximum permissible clearance should be 0.05
mm.
Use a feeler gauge to check it.
4.1.6 Assemble piston rings
Mount piston ring seals (item 1, Fig. 1-6) onto input
shaft.
+
|
IMPORTANT
|
Make sure the interlocking position of the piston
rings are staggered on the shaft.
19
Repair Manualand Spare Parts List
Section 4
120
˚C
248
˚F
1
2
FIG. 1 - 4
3
2
1
FIG. 1 - 5
1
FIG. 1 - 6