Komatsu WA380-6 Shop Manual page 7

00 Index and foreword
Steering system
Steering system...........................................................................................................................
Steering piping diagram...........................................................................................................
Steering column.......................................................................................................................
Steering pump .........................................................................................................................
Steering valve .......................................................................................................................... 15
Orbit-roll valve ......................................................................................................................... 30
Stop valve ................................................................................................................................ 34
Steering relief valve ................................................................................................................. 35
Steering cylinder ...................................................................................................................... 36
Emergency steering motor ...................................................................................................... 38
Emergency steering pump....................................................................................................... 39
Brake system
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
Undercarriage and frame ............................................................................................................
Axle mount and center hinge pin .............................................................................................
Tires.........................................................................................................................................
Hydraulic system, Part 1
Hydraulic system, Part 1 .............................................................................................................
Hydraulic piping diagram .........................................................................................................
Work equipment control lever linkage .....................................................................................
Hydraulic tank..........................................................................................................................
Breather...................................................................................................................................
Power train pump ....................................................................................................................
Work equipment pump ............................................................................................................
Work equipment control valve ................................................................................................. 20
CLSS ....................................................................................................................................... 34
Outline of CLSS....................................................................................................................... 34
Basic principle ......................................................................................................................... 35
Each function and operation of each valve.............................................................................. 38
Hydraulic circuit diagram and names of valves ....................................................................... 38
Area ratio of pressure compensation valve ............................................................................. 48
Hydraulic system, Part 2
Hydraulic system, Part 2 .............................................................................................................
PPC valve................................................................................................................................
Stabilizer valve.........................................................................................................................
Accumulator (for PPC circuit) .................................................................................................. 13
Accumulator (for ECSS) .......................................................................................................... 14
Work equipment
Work equipment ..........................................................................................................................
Work equipment linkage ..........................................................................................................
Bucket......................................................................................................................................
Bucket positioner and boom kick-out.......................................................................................
Work equipment cylinder .........................................................................................................
WA380-6 (KA SPEC.)
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