PREVOST H3-41 Maintenance Manual page 474

SECTION 13: WHEELS, HUBS AND TIRES
NOTE
If the inner rings are not properly guided (i.e. not
in line to spindle) there may occur a seizing
between inner ring and spindle before the
assembly be completed. By pushing abruptly the
hub unit back, there is a risk of separation of
inner rings. The clip can be dislodged as per the
two pictures below.
Always use an insertion tool
5. Clean thrust washer both sides and hub nut
using EFX degreaser.
6. Install thrust washer and hub nut then
tighten hub nut to specified torque. Rotate
unitized hub bearing whilst tightening. Do not
stake hub nut at this stage.
TORQUE: 575-625 lb-ft (780-847 Nm)
18
PA1621 Maintenance Manual All Series | January 2017
FIGURE 21: INSTALL THRUST WASHER
7. Check the bearing end play as described in
10.1 FRONT AXLE Hub Bearing Inspection
8. Stake the hub nut by deforming with a round
nosed chisel.
9. Clean hub bearing, rotor and hub flange
clamping surfaces using EFX degreaser.
FIGURE 22: CLEANING HUB BEARING, ROTOR AND
HUB FLANGE CLAMPING SURFACES
10. Install rotor onto hub bearing.
11. Add some grease (25-50 ml) (Fuchs
Renolite LX PEP-2) (Prevost #685325) into
the bottom of the hub flange cap. Mount hub
flange onto rotor.
12. Secure hub flange and rotor to unitized hub
bearing using 14 hub flange cap screws.
Refer to FIGURE 24 for tightening sequence.
TORQUE: 174-192 lb-ft (236-260 Nm)
NOTE: discard bolts that start to show
signs of deformation in the threaded area
or beneath the head of the bolt.
13. Once the hub flange has been correctly
fitted; it is necessary to check the axial run
out of the brake disc. Refer to page No.B29
of the following manual: included on your
vehicle Technical Publications USB flash
drive in PDF format to complete this step:
Dana Parts & Service Instructions S84U
Steer Axle HUB BEARING REWORK_
Manual NO 1963 A+B iss A