PREVOST X3-45 COMMUTER User Manual

SECTION 13: WHEELS, HUBS AND TIRES
DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual | Section 13 revised Jan 2022
1
CONTENTS
SECTION CHANGE LOG ........................................................................................................................................... 3
1. TORQUE TABLES ............................................................................................................................................. 4
1.1 WHEEL NUTS .................................................................................................................................................. 4
1.2 TAG AXLE........................................................................................................................................................ 4
1.3 FRONT AXLE ................................................................................................................................................... 5
1.4 ZF A132 DRIVE AXLE ....................................................................................................................................... 5
2. WHEELS .......................................................................................................................................................... 6
3. WHEEL MAINTENANCE ................................................................................................................................... 6
3.1 INSPECTION ................................................................................................................................................... 6
3.2 SINGLE WHEEL REMOVAL .............................................................................................................................. 6
3.3 SINGLE WHEEL INSTALLATION ....................................................................................................................... 7
4. DUAL WHEELS ................................................................................................................................................ 7
4.1 OUTER WHEEL REMOVAL .............................................................................................................................. 7
4.2 INNER WHEEL REMOVAL ............................................................................................................................... 7
4.3 INNER WHEEL INSTALLATION ........................................................................................................................ 7
4.4 OUTER WHEEL INSTALLATION ....................................................................................................................... 7
4.5 INSPECTION ................................................................................................................................................... 7
5. WHEEL STRAIGHTNESS TEST ........................................................................................................................... 8
6. WHEEL STUDS ................................................................................................................................................ 9
6.1 DRIVE AXLE WHEEL STUDS............................................................................................................................. 9
6.2 FRONT AND TAG AXLE WHEEL STUDS ........................................................................................................... 9
7. HUB MOUNTED WHEELS .............................................................................................................................. 10
7.1 CARE OF WHEELS ......................................................................................................................................... 10
8. TAG AXLE WHEEL HUBS ................................................................................................................................ 11
8.1 TAG AXLE HUB UNITIZED BEARING INSPECTION ......................................................................................... 12
8.2 TAG AXLE HUB BEARING REMOVAL ............................................................................................................. 12
8.3 TAG AXLE HUB BEARING INSTALLATION ...................................................................................................... 14
9. FRONT AXLE WHEEL HUBS ............................................................................................................................ 19
9.1 FRONT AXLE HUB BEARING INSPECTION ..................................................................................................... 19
9.2 FRONT AXLE HUB BEARING REMOVAL ........................................................................................................ 20
9.3 FRONT AXLE HUB BEARING INSTALLATION ................................................................................................. 20
10. ZF DRIVE AXLE WHEEL HUBS ..................................................................................................................... 21
10.1 COMPACT BEARING (HUB UNIT) AXIAL PLAY CHECK ................................................................................... 21
10.2 COMPACT BEARING (HUB UNIT) GREASE CHANGE ..................................................................................... 21
11. TIRE MAINTENANCE ................................................................................................................................. 22
11.1 INFLATION PRESSURE .................................................................................................................................. 22
11.2 TIRE MATCHING ........................................................................................................................................... 23
11.3 WHEEL BALANCING ..................................................................................................................................... 24
11.4 TIRE ROTATION ............................................................................................................................................ 24

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