Komatsu Galeo PC138US-8 Shop Manual page 857

HYDRAULIC EXCAVATOR
PC138US-8
PC138USLC-8
Machine model
PC138US-8
PC138USLC-8
50 Disassembly and assembly
Hydraulic system
Removal and installation of center swivel joint assembly ............................................................................... 2
Disassembly and assembly of center swivel joint assembly........................................................................... 4
Removal and installation of hydraulic tank assembly...................................................................................... 5
Removal and installation of hydraulic pump assembly ................................................................................... 8
Removal and installation of control valve assembly ..................................................................................... 12
Disassembly and assembly of control valve assembly ................................................................................. 17
Disassembly and assembly of work equipment PPC valve assembly .......................................................... 27
Disassembly and assembly of travel PPC valve assembly........................................................................... 30
Disassembly and assembly of hydraulic cylinder assembly ......................................................................... 32
PC138US, USLC-8
Serial number
20001 and up
20001 and up
SEN02713-00
1