PREVOST X3-45 COMMUTER User Manual

SECTION 13: WHEELS, HUBS AND TIRES
D DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual | Section 13 revised Jan 2022
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9. FRONT AXLE WHEEL HUBS
The FAG unitized hub bearings used on the NDS range of axles, are non-serviceable items. Bearings are
pre-adjusted, lubricated and have seals fitted as part of the manufacturing process. The bearings are
greased for life and there is no need or facility for re-lubrication.
FIGURE 35: FRONT AXLE HUB AND ROTOR ASSEMBLY
9.1 FRONT AXLE HUB BEARING
INSPECTION
MAINTENANCE
Front axle unitized bearing
Unitized bearing inspection should be made at
the intervals specified by the Lubrication And
Servicing Schedule in Section 24:
LUBRICATION & SERVICING..
1. The front axle hub bearing inspection
procedure is similar to the tag axle hub
bearing inspection. Refer to 8 TAG AXLE
WHEEL HUBS.
The mounted Unitized hub bearing axial
endplay should not exceed:
• 0.050 mm (0.002”) for a new bearing,
• 0.20 mm (0.008”) for a bearing which has
been in service.

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