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Komatsu BR380JG-1E0 Shop Manual page 3

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SEN01343-03
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 electric equipment and hydraulic component............................................................... 11
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 dimension drawings ...............................................................................................
Specifications ..............................................................................................................................
Weight table ................................................................................................................................
Table of fuel, coolant and lubricants ............................................................................................
10 Structure, function and maintenance standard
Engine and cooling system
Engine mount, damper ................................................................................................................
Radiator, oil cooler and aftercooler..............................................................................................
Power train
Power train ..................................................................................................................................
Drive system for components......................................................................................................
Final drive....................................................................................................................................
Sprocket ......................................................................................................................................
Undercarriage and frame
Track frame and recoil spring ......................................................................................................
Idler .............................................................................................................................................
Carrier roller ................................................................................................................................
Track roller...................................................................................................................................
Track shoe...................................................................................................................................
Hydraulic sysmtem, Part 1
Hydraulic piping drawing .............................................................................................................
Hydraulic tank and hydraulic oil filter...........................................................................................
Hydraulic pump ...........................................................................................................................
Hydraulic system, Part 2
Control valve ...............................................................................................................................
Self pressure reducing valve ....................................................................................................... 10
CLSS ........................................................................................................................................... 15
Functions and operation by valve................................................................................................ 19
4
00 Index and foreword
SEN01343-03
2
4
SEN01344-00
2
7
9
SEN01346-00
2
3
5
6
SEN01348-00
2
3
SEN01349-00
2
3
4
6
SEN01350-00
2
4
6
7
8
SEN01351-00
2
3
4
SEN01352-00
2
BR380JG-1E0
1

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