PREVOST H3-41 Maintenance Manual page 488

SECTION 14: STEERING
14. MAINTENANCE ......................................................................................................................................... 19
14.1 POWER STEERING FLUID CONDITION .......................................................................................................... 20
14.1.1 Power Steering Fluid Visual Inspection ..................................................................................................... 20
14.2 POWER STEERING FLUID CHANGE ............................................................................................................... 20
14.3 POWER STEERING FLUID RESERVOIR ........................................................................................................... 21
14.3.1 Fluid Level Check ....................................................................................................................................... 21
14.3.2 Filter Element Replacement ...................................................................................................................... 22
14.4 STEERING SYSTEM PLAY INSPECTION .......................................................................................................... 22
14.5 STEERING STABILIZER CYLINDER (DAMPER) ................................................................................................ 23
14.6 DRAG LINK MAINTENANCE .......................................................................................................................... 23
14.6.1 IFS Drag Link ............................................................................................................................................. 23
Lubrication Fittings .............................................................................................................................................. 23
14.6.2 Front I-beam Axle Drag Link ..................................................................................................................... 24
14.7 FRONT I-BEAM AXLE TIE ROD ...................................................................................................................... 25
14.8 TIE ROD INSPECTION PROCEDURE ............................................................................................................... 25
14.8.1 Tube inspection ......................................................................................................................................... 26
14.8.2 Ball joint play inspection ........................................................................................................................... 26
14.8.3 Fine adjustment sleeve play inspection .................................................................................................... 26
14.8.4 Tie rod ball joint inspection for corrosion ................................................................................................. 26
14.9 DRAG LINK BALL JOINT INSPECTION FOR CORROSION ................................................................................ 27
14.10 STRAIGHT BODY TYPE BALL JOINT ............................................................................................................... 27
14.10.1 Visual Inspection ..................................................................................................................................... 27
14.10.2 Straight Body Type Ball Joint End Play and Looseness ............................................................................ 28
15. DRIVING TIPS ............................................................................................................................................ 28
16. FRONT WHEEL ALIGNMENT ...................................................................................................................... 28
16.1 INDEPENDENT FRONT SUSPENSION ALIGNMENT ....................................................................................... 28
16.1.1 Alignment Terminology............................................................................................................................. 29
16.1.2 Front End Inspection ................................................................................................................................. 29
16.1.3 Front Wheel Camber ................................................................................................................................. 29
16.1.4 Front Wheel Toe-In ................................................................................................................................... 30
16.1.5 Front Wheel Caster ................................................................................................................................... 30
16.1.6 Major Damage .......................................................................................................................................... 30
16.1.7 Hydraulic End Limiter Adjustment After Wheel Alignment ....................................................................... 31
16.1.8 Alignment Specifications ........................................................................................................................... 32
16.2 I-BEAM AXLE - FRONT WHEEL ALIGNMENT ................................................................................................ 36
16.2.1 Inspection Before Alignment ..................................................................................................................... 36
16.2.2 Minor Front Wheel Alignment .................................................................................................................. 36
16.2.3 Major Front Wheel Alignment .................................................................................................................. 36
16.2.4 Hydraulic End Limiter Adjustment After Wheel Alignment ....................................................................... 37
16.2.5 Turning Angle Adjustment ........................................................................................................................ 37
16.2.6 R.H. Turn Adjustment ................................................................................................................................ 37
16.2.7 L.H. Turn Adjustment ................................................................................................................................ 37
16.2.8 Front Wheel Camber ................................................................................................................................. 38
16.3 CAMBER CHECK............................................................................................................................................ 38
16.3.1 Front Axle Caster ....................................................................................................................................... 38
16.4 FRONT WHEEL TOE-IN ................................................................................................................................. 39
16.4.1 Inspection and Adjustment ....................................................................................................................... 39
16.5 FRONT WHEEL ALIGNMENT SPECIFICATIONS .............................................................................................. 40
17. TROUBLESHOOTING ................................................................................................................................. 40
2 PA1621 Maintenance Manual All Series | Section revised June 2019