00 Index and foreword
Swing motor ................................................................................................................................ 19
Travel motor ................................................................................................................................ 27
Center swivel joint ....................................................................................................................... 36
Solenoid valve............................................................................................................................. 40
PPC accumulator ........................................................................................................................ 44
Holding valve............................................................................................................................... 46
Multi-control valve ....................................................................................................................... 51
Work equipment
Work equipment ..........................................................................................................................
Dimensions of components .........................................................................................................
Hydraulic cylinder........................................................................................................................
Cab and its attachments
Air conditioner .............................................................................................................................
Electrical system
Electronic control system ............................................................................................................
Monitor system............................................................................................................................ 35
KOMTRAX system ...................................................................................................................... 49
Sensor......................................................................................................................................... 51
Standard service value table
Testing engine speed ..................................................................................................................
Checking exhaust gas color ........................................................................................................
Adjusting valve clearance ...........................................................................................................
Testing blow-by pressure ............................................................................................................ 13
Testing engine oil pressure ......................................................................................................... 14
Handling fuel system parts .......................................................................................................... 15
Testing fuel pressure ................................................................................................................... 16
Testing oil leakage....................................................................................................................... 47
Bleeding air from each part ......................................................................................................... 50
PC138US, USLC-8
SEN01977-02
SEN02551-00
2
4
8
SEN02552-01
2
SEN02553-01
2
SEN02457-01
2
3
SEN02458-01
3
6
7
8
9
11
5