Komatsu 70001 - Page 6

SEN02225-15 00 Index and foreword
4 PC400, 450-8
Table of contents 1
00 Index and foreword
Index SEN02225-15
Composition of shop manual....................................................................................................... 2
Table of contents ......................................................................................................................... 4
Foreword and general information SEN02226-02
Safety notice................................................................................................................................ 2
How to read the shop manual .....................................................................................................7
Explanation of terms for maintenance standard.......................................................................... 9
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 SEN02228-02
Specification dimension drawings ............................................................................................... 2
Specifications .............................................................................................................................. 4
Weight table ................................................................................................................................ 8
Table of fuel, coolant and lubricants............................................................................................ 12
10 Structure, function and maintenance standard
Engine and cooling system SEN02230-00
Engine related parts .................................................................................................................... 2
Radiator, oil cooler and aftercooler.............................................................................................. 3
Power train SEN02231-00
Power train .................................................................................................................................. 2
Swing circle ................................................................................................................................. 3
Swing machinery......................................................................................................................... 4
Final drive.................................................................................................................................... 6
Sprocket ...................................................................................................................................... 8
Undercarriage and frame SEN02232-00
Track frame and recoil spring...................................................................................................... 2
Idler ............................................................................................................................................. 4
Carrier roller ................................................................................................................................ 6
Track roller................................................................................................................................... 7
Track shoe................................................................................................................................... 8
Hydraulic system, Part 1 SEN02233-00
Hydraulic equipment layout drawing ........................................................................................... 2
Hydraulic tank and filter............................................................................................................... 4
Hydraulic pump ........................................................................................................................... 6
Hydraulic system, Part 2 SEN02234-04
Control valve ............................................................................................................................... 2
CLSS........................................................................................................................................... 14
Functions and operation by valve................................................................................................18
Merge-divider valve..................................................................................................................... 33
Attachment circuit selector valve................................................................................................. 58
Holding valve............................................................................................................................... 60
Hydraulic system, Part 3 SEN02235-02
Valve control................................................................................................................................ 2
PPC valve.................................................................................................................................... 4
Solenoid valve............................................................................................................................. 20
Find manuals at https://best-manuals.com