PREVOST X3-45 COMMUTER User Manual

SECTION 10: FRONT I-BEAM AXLE
DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual First release Oct 2020
1
CONTENTS
SECTION CHANGE LOG ........................................................................................................................................... 3
1. TORQUE TABLES ............................................................................................................................................. 4
1.1 FRONT I-BEAM AXLE AND RELATED COMPONENTS ...................................................................................... 4
1.2 FRONT I-BEAM AXLE HUB, ROTOR AND BRAKES ........................................................................................... 6
2. DESCRIPTION .................................................................................................................................................. 7
2.1 REFERENCE MANUALS ................................................................................................................................... 7
3. LUBRICATION ................................................................................................................................................. 9
4. MAINTENANCE ............................................................................................................................................... 9
5. REMOVAL AND REPLACEMENT ..................................................................................................................... 10
5.1 REMOVAL ..................................................................................................................................................... 10
5.2 REPLACEMENT ............................................................................................................................................. 10
6. SERVICE INSTRUCTIONS FOR STEER AXLE ..................................................................................................... 11
6.1 STEERING KNUCKLE KINGPIN INSPECTION .................................................................................................. 11
6.1.1 Checking Lateral Slackness .................................................................................................................. 11
6.1.2 Checking Vertical Slackness ................................................................................................................. 11
6.2 STEERING TIE ROD INSPECTION ................................................................................................................... 11
7. FRONT WHEEL ALIGNMENT .......................................................................................................................... 12
7.1 INSPECTION BEFORE ALIGNMENT ............................................................................................................... 12
7.2 MINOR FRONT WHEEL ALIGNMENT ............................................................................................................ 12
7.3 MAJOR FRONT WHEEL ALIGNMENT ............................................................................................................ 12
7.4 TURNING ANGLE ADJUSTMENT ................................................................................................................... 12
7.4.1 R.H. Turn Adjustment ........................................................................................................................... 13
7.4.2 L.H. Turn Adjustment ........................................................................................................................... 13
7.5 HYDRAULIC STOP ......................................................................................................................................... 13
7.6 FRONT WHEEL CAMBER ............................................................................................................................... 13
7.6.1 Camber Check ...................................................................................................................................... 14
7.7 FRONT AXLE CASTER .................................................................................................................................... 14
7.8 FRONT WHEEL TOE-IN ................................................................................................................................. 14
7.8.1 Inspection and Adjustment .................................................................................................................. 15
8. ALIGNMENT SPECIFICATIONS ....................................................................................................................... 16
9. TROUBLESHOOTING ..................................................................................................................................... 17
10. SPECIFICATIONS ........................................................................................................................................ 18

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