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Komatsu D37EX -23 Shop Manual page 4

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00 Index and foreword
Index
Index
(ALL-0310-001-A-00-A)
00 Index and foreword ....................................................................................................................... 00-1
Index ......................................................................................................................................... 00-2
Foreword, safety and general information ................................................................................... 00-14
Important safety notice ....................................................................................................... 00-14
How to read the shop manual.............................................................................................. 00-21
Explanation of terms for maintenance standard .................................................................... 00-23
Handling equipment of fuel system devices .......................................................................... 00-25
Handling of intake system parts........................................................................................... 00-26
Handling of hydraulic equipment.......................................................................................... 00-27
Method of disconnecting and connecting of push-pull type coupler ......................................... 00-29
Handling of electrical equipment.......................................................................................... 00-32
How to read electric wire code............................................................................................. 00-40
Precautions when performing operation ............................................................................... 00-43
Practical use of KOMTRAX ................................................................................................. 00-48
Standard tightening torque table.......................................................................................... 00-49
List of abbreviation ............................................................................................................. 00-55
Conversion table ................................................................................................................ 00-60
01 Specification................................................................................................................................. 01-1
Table of contents ........................................................................................................................ 01-2
Specifications............................................................................................................................. 01-3
Specification drawing ........................................................................................................... 01-3
Specifications ...................................................................................................................... 01-7
Weight table ...................................................................................................................... 01-27
Table of fuel, coolant, and lubricants .................................................................................... 01-35
10 Structure and function ................................................................................................................... 10-1
Table of contents ........................................................................................................................ 10-2
Engine and cooling system .......................................................................................................... 10-3
Engine related parts ............................................................................................................. 10-3
VFT .................................................................................................................................... 10-5
EGR system piping drawing .................................................................................................. 10-9
EGR system circuit diagram ................................................................................................ 10-11
EGR valve......................................................................................................................... 10-12
EGR cooler........................................................................................................................ 10-14
KCCV layout drawing ......................................................................................................... 10-16
KCCV ventilator ................................................................................................................. 10-18
KDOC muffler .................................................................................................................... 10-22
Cooling system .................................................................................................................. 10-24
Cooling fan motor............................................................................................................... 10-26
Oil cooler bypass and HST charge safety valve..................................................................... 10-34
Power train............................................................................................................................... 10-41
Power train system............................................................................................................. 10-41
Damper ............................................................................................................................. 10-44
Hydraulic component layout of HST ..................................................................................... 10-45
Steering and brake control .................................................................................................. 10-46
HST pump ......................................................................................................................... 10-48
HST motor......................................................................................................................... 10-62
Charge pump..................................................................................................................... 10-78
Solenoid valve ................................................................................................................... 10-79
Final drive ......................................................................................................................... 10-89
Undercarriage and frame........................................................................................................... 10-93
Main frame ........................................................................................................................ 10-93
Track frame and idler cushion ............................................................................................. 10-94
Hydraulic system ...................................................................................................................... 10-96
Hydraulic component layout ................................................................................................ 10-96
Work equipment control system........................................................................................... 10-98
Hydraulic tank.................................................................................................................. 10-100
CLSS .............................................................................................................................. 10-102
00-2
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D37, 39-23

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