PREVOST H3-41 Maintenance Manual page 487

CONTENTS
SECTION CHANGE LOG ........................................................................................................................................... 4
1. TORQUE TABLES ............................................................................................................................................. 5
1.1 STEERING COLUMN........................................................................................................................................ 5
1.2 MISCELLANEOUS TORQUES ........................................................................................................................... 6
2. STEERING SYSTEM .......................................................................................................................................... 7
2.1 FRONT I-BEAM AXLE STEERING SYSTEM DESCRIPTION ................................................................................. 7
2.2 INDEPENDENT FRONT SUSPENSION STEERING SYSTEM DESCRIPTION ......................................................... 8
3. POWER STEERING GEAR ................................................................................................................................. 9
3.1 DESCRIPTION.................................................................................................................................................. 9
3.2 POWER STEERING GEAR REMOVAL ............................................................................................................. 10
3.3 POWER STEERING GEAR INSTALLATION ...................................................................................................... 10
3.4 TROUBLESHOOTING ..................................................................................................................................... 10
4. STEERING GEARBOX HYDRAULIC END LIMITER ADJUSTMENT ....................................................................... 10
5. BLEEDING POWER STEERING HYDRAULIC SYSTEM ........................................................................................ 11
6. HYDRAULIC PRESSURE TEST .......................................................................................................................... 11
7. POWER STEERING HYDRAULIC PUMP ........................................................................................................... 11
7.1 DESCRIPTION................................................................................................................................................ 11
7.2 REMOVAL AND INSTALLATION .................................................................................................................... 11
8. STEERING COLUMN ...................................................................................................................................... 13
8.1 REMOVAL ..................................................................................................................................................... 13
9. STEERING WHEEL ......................................................................................................................................... 13
9.1 REMOVAL ..................................................................................................................................................... 13
9.2 INSTALLATION .............................................................................................................................................. 14
9.3 CLOCKSPRING REPLACEMENT ...................................................................................................................... 14
10. TURNING ANGLE ADJUSTMENT ................................................................................................................ 15
11. STEERING LINKAGE ADJUSTMENT ............................................................................................................. 16
11.1 COACHES ...................................................................................................................................................... 16
11.2 VIP & BUS SHELLS......................................................................................................................................... 16
12. PITMAN ARM ........................................................................................................................................... 16
12.1 REMOVAL ..................................................................................................................................................... 16
12.2 INSTALLATION .............................................................................................................................................. 17
12.3 ADJUSTMENT ............................................................................................................................................... 17
12.4 TAG AXLE UNLOADING SWITCH ADJUSTMENT (OPTIONAL) ........................................................................ 18
13. DRAG LINK (I-BEAM AXLE) ........................................................................................................................ 18
13.1 LENGTH ADJUSTMENT ................................................................................................................................. 18
13.1.1 Adjustment System Thread Lengths ......................................................................................................... 19
PA1621 Maintenance Manual All Series | Section revised June 2019
SECTION 14: STEERING
1