Komatsu Galeo PC138US-8 Shop Manual page 15

HYDRAULIC EXCAVATOR
PC138US-8
PC138USLC-8
Machine model
PC138US-8
PC138USLC-8
00 Index and foreword
Foreword and general information
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
PC138US, USLC-8
1SHOP MANUAL
Serial number
20001 and up
20001 and up
SEN01978-01
1
1