PREVOST X3-45 COMMUTER User Manual

SECTION 14: STEERING
D 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 STEERING COLUMN ....................................................................................................................................... 4
1.2 MISCELLANEOUS TORQUES .......................................................................................................................... 5
2 STEERING SYSTEM DESCRIPTION ......................................................................................................................... 7
3 POWER STEERING GEAR ....................................................................................................................................... 8
3.1 DESCRIPTION ................................................................................................................................................. 8
3.2 POWER STEERING GEAR REMOVAL .............................................................................................................. 9
3.3 POWER STEERING GEAR INSTALLATION ....................................................................................................... 9
3.4 TROUBLESHOOTING ...................................................................................................................................... 9
4 BLEEDING POWER STEERING HYDRAULIC SYSTEM ........................................................................................... 10
5 HYDRAULIC PRESSURE TEST ............................................................................................................................... 10
6 POWER STEERING HYDRAULIC PUMP ................................................................................................................ 10
6.1 REMOVAL AND INSTALLATION .................................................................................................................... 10
7 STEERING COLUMN REMOVAL ........................................................................................................................... 12
8 STEERING WHEEL ................................................................................................................................................ 13
8.1 REMOVAL..................................................................................................................................................... 13
8.2 INSTALLATION ............................................................................................................................................. 13
8.3 CLOCKSPRING REPLACEMENT ..................................................................................................................... 14
9 TURNING ANGLE ADJUSTMENT .......................................................................................................................... 14
10 STEERING LINKAGE ADJUSTMENT .................................................................................................................. 15
11 PITMAN ARM................................................................................................................................................... 15
11.1 REMOVAL..................................................................................................................................................... 15
11.2 INSTALLATION ............................................................................................................................................. 16
11.3 ADJUSTMENT ............................................................................................................................................... 16
11.4 TAG AXLE UNLOAD - SWITCH ADJUSTMENT ............................................................................................... 16
12 DRAG LINK ....................................................................................................................................................... 17
12.1 LENGTH ADJUSTMENT................................................................................................................................. 17
12.1.1 Adjustment System Thread Lengths ................................................................................................... 17
13 STEERING SYSTEM MAINTENANCE ................................................................................................................. 19
13.1 POWER STEERING FLUID CONDITION ......................................................................................................... 19
13.1.1 Power Steering Fluid Visual Inspection................................................................................................ 19
13.2 POWER STEERING FLUID CHANGE .............................................................................................................. 20
13.3 POWER STEERING FLUID TANK & FILTER .................................................................................................... 20
13.3.1 Fluid Level Check ................................................................................................................................. 20

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