Precautions regarding electronic apparatus ...........................................................................................................259
Checking the mechanical components of the electronic power-lift.........................................................................260
Mechanically controlled power-lift, specifications...................................................................................................262
Section views of the mechanically controlled power-lift..........................................................................................263
Fitting the control lever lock screw and lever shaft cam .........................................................................................265
Fitting the ring seal on the lift piston .......................................................................................................................265
Hydraulic control valve for mechanically controlled power-lift, views and hydraulic circuit diagrams....................266
Adjusting the controls of the mechanically controlled power-lift.............................................................................272
Checking the lift mechanism...................................................................................................................................273
Testing the operating pressure ...............................................................................................................................273
Removal of the lift control valve..............................................................................................................................273
Disassembly of the lift control valve........................................................................................................................276
Sensing arm............................................................................................................................................................277
Auxiliary lifting cylinders..........................................................................................................................................279
Specifications for control valve springs...................................................................................................................280
Fault diagnosis........................................................................................................................................................281
Front hydraulic power-lift, general description and specifications ..........................................................................282
Checks ....................................................................................................................................................................282
Hydraulic accumulator and anti-shock valve for front power-lift.............................................................................283
Front power take-off, general description and specifications .................................................................................285
Hydraulic operating diagrams for front PTO ...........................................................................................................286
Front PTO views .....................................................................................................................................................288
Installing the “Ring-Feeders” ..................................................................................................................................290
Checking the front PTO clutch................................................................................................................................291
Checking clutch plate clearances ...........................................................................................................................291
Checking the front PTO operating pressure...........................................................................................................291
Front PTO fault diagnosis .......................................................................................................................................292
Specifications for front PTO springs .......................................................................................................................292
6 - CONTROLS
Hydrostatic power steering, general description and specifications.......................................................................291
Examining and testing the hydrostatic power steering system...............................................................................294
Assembly instructions for the hydrostatic power steering control valve .................................................................297
Hydrostatic power steering operating diagram .......................................................................................................301
Mechanical controls ................................................................................................................................................302
Electrohydraulic controls.........................................................................................................................................310
System configuration...............................................................................................................................................311
Electrohydraulic valves ...........................................................................................................................................314
Hydraulic operating diagrams ................................................................................................................................318
Rear differential lock control cylinder for models with SBA System.......................................................................326
Front wheel drive disengagement cylinder for models without SBA System .........................................................326
Adjusting front and rear differential lock controls for models without SBA system ................................................327
Adjusting front wheel-drive controls for models without SBA System....................................................................328
MULTIFUNCTION CONTROL................................................................................................................................329
PERFORMANCE MONITOR..................................................................................................................................334
Putting the performance monitor into service .........................................................................................................338
PERFORMANCE MONITOR retrofit procedure .....................................................................................................340
7 - BODYWORK
Platform ..................................................................................................................................................................341
Cab..........................................................................................................................................................................342
Instructions for fitting the front windscreen and lower side glass ...........................................................................344
Fitting the seal.........................................................................................................................................................345
Cab air filter.............................................................................................................................................................346
Removal and refitting of the cab and platform ........................................................................................................347
“Normal” electric heating system ............................................................................................................................352
“High-power” electric heating system......................................................................................................................357
Cab air conditioning system....................................................................................................................................364
8 - SYSTEMS
Hydraulic system.....................................................................................................................................................376
Auxiliary hydraulic systems.....................................................................................................................................381
Hydraulic trailer braking .........................................................................................................................................391
Electrical system ....................................................................................................................................................399
Specifications and components ..............................................................................................................................399
Wiring diagrams .....................................................................................................................................................418
9 - APPENDIX
Conversion tables ...................................................................................................................................................448
Parts........................................................................................................................................................................449
4
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