PREVOST X3-45 COMMUTER User Manual

SECTION 13: WHEELS, HUBS AND TIRES
20
DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual | Section 13 revised Jan 2022
NOTE
If original bearing unit is re-fitted, and end-float
is measured at 1 mm, with hub not fully
tightened to specified torque, then the
retaining clip within the unit is damaged and a
new unit must be fitted.
9.2 FRONT AXLE HUB BEARING REMOVAL
The front axle hub bearing removal procedure is
similar to the tag axle hub bearing removal.
Refer to 8.2 tag axle HUB BEARING
REMOVAL.
You can also find detailed information on front
axle wheel hub bearing removal, refer to the
following manual included on your vehicle
Technical Publications USB flash drive in PDF
format:
Dana Parts & Service Instructions S84U
Steer Axle HUB BEARING REWORK_ Manual
NO 1963 A+B iss A.
See OVERHAUL PROCEDURES, HUB END
DISASSEMBLY, pages No. B3, B4, B5 & B6.
9.3 FRONT AXLE HUB BEARING
INSTALLATION
The front axle hub bearing installation procedure
is similar to the tag axle hub bearing installation.
Refer to 8.3 tag axle HUB BEARING
INSTALLATION.
You can also find detailed information on front
axle wheel hub bearing removal, refer to the
following manual included on your vehicle
Technical Publications USB flash drive in PDF
format:
Dana Parts & Service Instructions S84U
Steer Axle HUB BEARING REWORK_ Manual
NO 1963 A+B iss A.
See OVERHAUL PROCEDURES, HUB END
REASSEMBLY, pages No. B23 up to B30.
FIGURE 36: HUB FLANGE HEX CAP SCREW
Secure hub flange and rotor to unitized hub
bearing using 14 hub flange cap screws. Refer
to Figure 37 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.
FIGURE 37: HUB FLANGE HEX CAP SCREW
TIGHTENING SEQUENCE

PREVOST X3-45 COMMUTER Specifications

General

Engine	Volvo D13
Transmission	Allison B500
Fuel Type	Diesel
Length	45 ft (13.7 m)
Width	102 in (2.6 m)
Horsepower	500 hp
GVWR	54, 000 lbs
Height	141 in