ZF Repair Manual: ZF63IV, ZF80IV, ZF80-1IV
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Repair Manual and Spare Parts List
Section 4: Assembly
1.3 Assemble butting rings
Press on new thrust washers (item 1, Fig. 1-3) onto input
shaft.
Make sure thrust washers are fully pressed on and have
even contact with gears.
Thrust washers must not be bent. For easier mounting
use a tube with a bore dia. of 35 mm (1.38 in).
1.4 Mounting inner races of tapered roller
bearings
Heat inner race of tapered roller bearing (item 1, Fig. IV
1-4) to approx. 120ë (248ëF) and push onto input shaft.
After cooling down, press bearing carefully against but-
ting ring (item 2, Fig. IV 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.
1.5 Assemble piston rings
Mount piston ring seals (item 1, Fig. 1-5) onto input shaft.
+
|
IMPORTANT
|
Make sure the interlocking position of the piston
rings are staggered on the shaft.
1
FIG. 1-3
120
˚
C
248
˚
F
1
2
FIG. 1-4
1
FIG. 1-5