Table Of Contents - Komatsu WA250-6 Shop Manual

SEN03822-03

Table of contents

00 Index and foreword
100 Index
Composition of shop manual.........................................................................................................................
Table of contents ...........................................................................................................................................
200 Foreword and general information
Safety notice .................................................................................................................................................
How to read the shop manual .......................................................................................................................
Explanation of terms for maintenance standard............................................................................................
Handling of electric equipment and hydraulic component............................................................................. 11
Handling of connectors newly used for engines............................................................................................ 20
How to read electric wire code ...................................................................................................................... 23
Precautions when carrying out operation...................................................................................................... 26
Method of disassembling and connecting push-pull type coupler................................................................. 29
Standard tightening torque table ................................................................................................................... 32
Conversion table ........................................................................................................................................... 36
01 Specification
100 Specification and technical data
Specification dimension drawing ...................................................................................................................
Specifications ................................................................................................................................................
Weight table ..................................................................................................................................................
Table of fuel, coolant and lubricants.............................................................................................................. 10
10 Structure, function and maintenance standard
100 Engine and cooling system
Engine mount and transfer mount.................................................................................................................
Damper .........................................................................................................................................................
Cooling system..............................................................................................................................................
Cooling system hydraulic piping diagram......................................................................................................
Cooling fan motor..........................................................................................................................................
200 Power train
Power train ....................................................................................................................................................
Power train system diagram..........................................................................................................................
Drive shaft .....................................................................................................................................................
HST hydraulic piping diagram .......................................................................................................................
HST pump .....................................................................................................................................................
HST motor..................................................................................................................................................... 16
Transfer ......................................................................................................................................................... 22
Clutch solenoid valve .................................................................................................................................... 33
Axle ............................................................................................................................................................... 34
Differential ..................................................................................................................................................... 36
Torque proportioning differential.................................................................................................................... 41
Limited slip differential................................................................................................................................... 44
Final drive...................................................................................................................................................... 48
300 Steering system
Steering piping diagram ................................................................................................................................
Steering column ............................................................................................................................................
Priority valve..................................................................................................................................................
Orbit-roll valve ...............................................................................................................................................
2-way restrictor valve .................................................................................................................................... 16
Cushion valve................................................................................................................................................ 17
Steering cylinder............................................................................................................................................ 18
Emergency steering piping diagram.............................................................................................................. 20
Emergency steering valve............................................................................................................................. 21
Steering relief valve....................................................................................................................................... 24
4
00-100
100 Index
Table of contents
1
SEN03822-03
2
4
SEN03823-01
2
7
9
SEN03824-00
3
4
8
SEN03825-00
2
3
4
5
7
SEN03826-00
3
4
6
7
8
SEN03827-01
3
4
5
8
WA250, 250PZ-6