ZF Repair Manual: ZF25A, ZF25, ZF45A, ZF45-1
<< Previous of 78 Next >>4.1.4 Mounting inner races of tapered roller
bearings
Heat inner race of tapered roller bearing (item 1 Fig. 1-
4) to approx. 120 ë(248 ëF) and push onto input shaft.
After cooling down, press bearing carefully against but-
ton ring (item 2, Fig. 1-4) by means of a sleeve and a
manual press or a copper brass punch.
|
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 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.
4.2. INTERMEDIATE SHAFT
4.2.1 Mounting inner races of tapered roller
bearings
Heat inner races of tapered roller bearings (item 1 and
2, Fig. 2-1) to approx. 120 ëC (248 ëF) and push them
onto the intermediate shaft up against the shaft collar.
|
WARNING
|
Handle heated taper roller bearing inner races only
with protective gloves!
When the inner races have cooled down, drive them
carefully against the collar using a copper/brass punch.
NOTE
Apply copper/brass punch on inner race and not on
the rollers.
19
Repair Manual and Spare Parts List
Section 4
120
Ëš
C
248
Ëš
F
1
2
FIG. 1 - 4
1
FIG. 1 - 5
1
2
120
Ëš
C
248
Ëš
F
120
Ëš
C
248
Ëš
F
FIG. 2 - 1