Komatsu ecot3 PC300LC-8 Shop Manual page 953

HYDRAULIC EXCAVATOR
PC300-8
PC300LC-8
PC350-8
PC350LC-8
Machine model
PC300-8
PC300LC-8
PC350-8
PC350LC-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 control valve assembly ....................................................................................... 7
Disassembly and assembly of control valve assembly ................................................................................. 10
Removal and installation of hydraulic pump assembly ..................................................................................11
Removal and installation of oil seal in hydraulic pump input shaft ................................................................ 13
Disassembly and assembly of work equipment PPC valve assembly .......................................................... 14
Disassembly and assembly of travel PPC valve assembly........................................................................... 16
Disassembly and assembly of hydraulic cylinder assembly ......................................................................... 19
PC300, 350-8
1SHOP MANUAL
Serial number
60001 and up
60001 and up
60001 and up
60001 and up
SEN02639-02
1