2 Repair and maintenance work
16
en
XL-SA40008RM-en-DE Rev A • 02.2017 • Errors and changes excluded © SAF-HOLLAND
6.5.4 Change the wheel bearing
Note:
● Only replace the wheel bearing together with
the complete seal set and the stipulated grease
quantities.
● When installing and removing the wheel bearing
set, ensure that the bearing seats of the wheel
hub unit are not damaged.
Removal of the wheel bearing set
Note:
To install the wheel bearing set, use the SAF tool.
See Fig. 16:
1. Remove both retaining rings -item 36B- using a
screwdriver.
2. Remove the O-ring -item 39A.
3. Remove the inner sealing ring -item 38A- using a
screwdriver.
4. Remove the inner tapered roller bearing.
5. Remove the spacer ring.
6. Remove the outer sealing ring -item 38B- using a
screwdriver.
7. Remove the outer tapered roller bearing.
8. Press out the outer rings of both tapered roller
bearings.
9. Thoroughly clean the wheel hub housing –item
27– and install a completely new wheel bearing
► Fig. 13 „ Removal of the wheel bearing set“
Installation of the wheel bearing set
Caution!
When installing the wheel bearing set, all parts must
be completely clean as even the slightest contamina-
tion can significantly shorten the running time of the
wheel bearing!
Note:
● To install the wheel bearing set, use the SAF tool.
● Only new sealing, protection and bearing outer
rings must be used for installation.
1. Press in the outer rings of both tapered roller bear-
ings.
2. Insert both tapered roller bearings with spacer
ring.
3. Top up the ring surfaces on the front side of the
tapered roller bearing with bearing grease.
Note:
● The filling quantity for the tapered roller bearing,
outer –item 36–, is 60 g of bearing grease.
● The filling quantity for the tapered roller bearing,
inner –item 35–, is 60 g of bearing grease.
4. Press in the outer sealing ring.
5. Press in the inner sealing ring.
