Komatsu WA430-6 Shop Manual page 7

00 Index and foreword
Joystick steering lever linkage................................................................................................. 42
Steering electric lever .............................................................................................................. 43
Joystick EPC valve .................................................................................................................. 44
Brake system
Brake piping diagram...............................................................................................................
Charge valve ...........................................................................................................................
Brake valve.............................................................................................................................. 10
Accumulator (for brake) ........................................................................................................... 15
Brake ....................................................................................................................................... 16
Parking brake control............................................................................................................... 21
Parking brake .......................................................................................................................... 22
Parking brake solenoid valve................................................................................................... 24
Emergency parking brake release valve ................................................................................. 26
Undercarriage and frame
Axle mount and center hinge pin .............................................................................................
Tires.........................................................................................................................................
Hydraulic system, Part 1
Hydraulic piping diagram .........................................................................................................
Work equipment control lever linkage .....................................................................................
Hydraulic tank..........................................................................................................................
Power train pump .................................................................................................................... 10
Work equipment pump ............................................................................................................
Work equipment control valve ................................................................................................. 22
CLSS ....................................................................................................................................... 36
Each function and operation of each valve.............................................................................. 40
Hydraulic system, Part 2
PPC valve................................................................................................................................
Stabilizer valve......................................................................................................................... 10
Accumulator (for PPC circuit) .................................................................................................. 16
Accumulator (for ECSS) .......................................................................................................... 17
Work equipment PPC cut-off solenoid valve ........................................................................... 18
Work equipment
Work equipment linkage ..........................................................................................................
Bucket......................................................................................................................................
Bucket positioner and boom kick-out.......................................................................................
Work equipment cylinder .........................................................................................................
Cab and its attachments
Cab ..........................................................................................................................................
Air conditioner..........................................................................................................................
Electrical system, Part 1
Machine monitor system..........................................................................................................
Machine monitor ......................................................................................................................
Electrical system, Part 2
Electrical system (Transmission controller system).................................................................
Transmission controller............................................................................................................ 44
Electrical system (Work equipment controller system) ............................................................ 46
Work equipment controller....................................................................................................... 52
Electrical system, Part 3
Electric transmission control....................................................................................................
Kickdown switch and hold switch ............................................................................................
Multi-function knob ..................................................................................................................
Joystick steering knob .............................................................................................................
KOMTRAX system .................................................................................................................. 10
Engine starting circuit .............................................................................................................. 12
Engine stopping circuit ............................................................................................................ 14
Preheating circuit..................................................................................................................... 15
Engine power mode selector circuit......................................................................................... 16
WA430-6
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