Komatsu ecot3 WA500-6 Shop Manual page 7

00 Index and foreword
Steering valve .......................................................................................................................... 15
Stop valve ................................................................................................................................ 19
Joystick steering lever linkage (if equipped)............................................................................ 20
Steering cylinder ...................................................................................................................... 21
Emergency steering piping diagram (if equipped) ................................................................... 24
Diverter valve........................................................................................................................... 25
Brake system
Brake piping diagram...............................................................................................................
Brake valve..............................................................................................................................
Slack adjuster ..........................................................................................................................
Accumulator charge valve ....................................................................................................... 12
PPC relief valve ....................................................................................................................... 16
Accumulator (for brake) ........................................................................................................... 18
Brake ....................................................................................................................................... 20
Parking brake control............................................................................................................... 23
Parking brake .......................................................................................................................... 24
Parking brake solenoid valve................................................................................................... 26
Emergency parking brake release valve ................................................................................. 28
Undercarriage and frame
Axle mount...............................................................................................................................
Center hinge pin ......................................................................................................................
Hydraulic system, Part 1
Hydraulic piping diagram .........................................................................................................
Work equipment control lever linkage .....................................................................................
Hydraulic tank..........................................................................................................................
Steering pump .........................................................................................................................
Work equipment hydraulic pump ............................................................................................. 18
Hydraulic system, Part 2
Control valve............................................................................................................................
CLSS ....................................................................................................................................... 16
Each function and operation of each valve.............................................................................. 21
Accumulator (for PPC circuit) .................................................................................................. 32
Work equipment electric lever ................................................................................................. 33
Work equipment
Work equipment linkage ..........................................................................................................
Bucket......................................................................................................................................
Bucket positioner and boom kick-out.......................................................................................
Work equipment lubrication .....................................................................................................
Work equipment cylinder .........................................................................................................
Cab and its attachments
ROPS cab................................................................................................................................
Air conditioner..........................................................................................................................
Electrical system, Part 1
Machine monitor system..........................................................................................................
Machine monitor ...................................................................................................................... 10
Electrical system, Part 2
Work equipment control system ..............................................................................................
Transmission controller system ............................................................................................... 36
Electrical system, Part 3
Electric transmission control....................................................................................................
Engine starting circuit ..............................................................................................................
Engine stopping circuit ............................................................................................................
Preheating circuit.....................................................................................................................
Parking brake circuit ................................................................................................................
Backup and stop lamp circuits ................................................................................................. 16
Small lamp and head lamp circuits .......................................................................................... 18
Working lamp circuit ................................................................................................................ 19
WA500-6
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