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Komatsu HD785-7 Shop Manual page 6

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SEN01276-12
Table of contents
00 Index and foreword
Index
Composition of shop manual.......................................................................................................
Table of contents .........................................................................................................................
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
Specification and technical data
Specification drawing...................................................................................................................
Specifications ..............................................................................................................................
Weight table ................................................................................................................................
Fuel, coolant and lubricants ........................................................................................................
10 Structure, function and maintenance standard
Engine and cooling system
Radiator, brake, torque converter oil cooler, aftercooler, steering, hoist oil cooler ......................
Fuel system .................................................................................................................................
Power train, Part 1
Power train skeleton....................................................................................................................
Output shaft.................................................................................................................................
Drive shaft ...................................................................................................................................
Torque converter and transmission hydraulic piping ...................................................................
Brake cooling oil control valve (BCV) .......................................................................................... 10
Torque converter ......................................................................................................................... 11
Torque converter valve ................................................................................................................ 19
Transmission ............................................................................................................................... 22
Transmission control valve .......................................................................................................... 50
ECMV .......................................................................................................................................... 52
Lubricating oil amount selector valve .......................................................................................... 59
Power train, Part 2
Axle .............................................................................................................................................
Differential ...................................................................................................................................
Final drive....................................................................................................................................
Wheels ........................................................................................................................................
Steering system
Steering column...........................................................................................................................
Steering linkage...........................................................................................................................
Brake system
Brake piping ................................................................................................................................
Brake valve..................................................................................................................................
Secondary brake valve................................................................................................................
Accumulator charge valve ...........................................................................................................
4
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00 Index and foreword
1
SEN01276-12
2
4
SEN01277-04
2
7
9
SEN01279-03
2
4
7
8
SEN01281-01
2
4
SEN01282-03
2
4
6
8
SEN01283-01
2
4
5
6
SEN01284-01
2
3
SEN01285-04
2
4
7
8
HD785-7

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A10001