5.4 BACKHOE BOOM CYLINDER ............................................................................................................ 79
5.5 BACKHOE ATTACHMENT DIPPER CYLINDER ................................................................................ 83
5.6 BACKHOE BUCKET CYLINDER......................................................................................................... 87
5.7 TELESCOPIC CYLINDER ................................................................................................................... 91
5.8 4WS STABILIZER CYLINDER - CENTER PIVOT............................................................................... 95
5.9 STABILIZER CYLINDER - SIDESHIFT ............................................................................................... 99
5.10 SWING CYLINDER.......................................................................................................................... 103
5.11 BACKHOE ATTACHMENT SIDESHIFT CYLINDER - SIDESHIFT ................................................. 107
5.12 SPECIAL TOOLS............................................................................................................................. 108
6. HYDRAULIC CONTROL LEVERS............................................................................................................ 109
6.1 SPECIFICATIONS ............................................................................................................................. 109
6.2 DESCRIPTION AND OPERATION.................................................................................................... 110
6.3 DISASSEMBLY AND ASSEMBLY..................................................................................................... 113
6.4 CONTROL LEVER VALVE ................................................................................................................ 116
7. FAULT FINDING ....................................................................................................................................... 119
7.1 PRELIMINARY CHECKS................................................................................................................... 119
7.2 FAULT FINDING ................................................................................................................................ 120
SECTION 39 - CHASSIS
1. DESCRIPTION AND OPERATION............................................................................................................... 3
2. REMOVAL AND INSTALLATION COMPONENTS....................................................................................... 5
2.1 COMPONENTS WITHIN THE CHASSIS...............................................................................................5
2.2 COMPONENTS BELOW THE CHASSIS .............................................................................................. 6
2.3 COMPONENTS ATTACHED OUTSIDE THE CHASSIS ....................................................................... 8
2.4 COMPONENTS ATTACHED ON THE CHASSIS.................................................................................. 9
2.5 MOUNTING SCREW TORQUE........................................................................................................... 11
SECTION 41 - STEERING SYSTEM
1. STEERING SYSTEM 2WS ........................................................................................................................... 4
2. STEERING SYSTEM 4WS ........................................................................................................................... 7
3. POWER STEERING ................................................................................................................................... 12
3.1 SPECIFICATIONS ............................................................................................................................... 13
3.2 COMPONENTS ................................................................................................................................... 15
3.3 DISASSEMBLY AND ASSEMBLY....................................................................................................... 16
3.4 SPECIAL TOOLS................................................................................................................................. 33
3.5 FAULT FINDING .................................................................................................................................. 33
SECTION 50 - CAB HEATING AND AIR CONDITIONING
1. SPECIFICATIONS ........................................................................................................................................ 3
2. CAB HEATING.............................................................................................................................................. 5
2.1 DESCRIPTION AND OPERATION........................................................................................................ 5
3. AIR CONDITIONING................................................................................................................................... 12
3.1 PRINCIPALS OF AIR CONDITIONING ............................................................................................... 12
3.2 SAFETY PRECAUTIONS .................................................................................................................... 16
3.3 CONTROLS AND OPERATION .......................................................................................................... 17
3.4 FAULT FINDING AND TESTING......................................................................................................... 26
3.5 FLUSHING THE SYSTEM ................................................................................................................... 44
3.6 EVACUATING THE SYSTEM.............................................................................................................. 46
3.7 CHARGING THE SYSTEM.................................................................................................................. 47
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