Komatsu Galeo PC138US-8 Shop Manual page 837

HYDRAULIC EXCAVATOR
PC138US-8
PC138USLC-8
Machine model
PC138US-8
PC138USLC-8
50 Disassembly and assembly
Undercarriage and frame
Disassembly and assembly of track roller....................................................................................................... 2
Disassembly and assembly of idler assembly ................................................................................................ 5
Disassembly and assembly of recoil spring .................................................................................................... 8
Removal and installation of of track shoe assembly ......................................................................................11
Removal and installation of sprocket ............................................................................................................ 13
Removal and installation of revolving frame assembly ................................................................................. 14
Removal and installation of counterweight assembly (Machine without add-on weight) .............................. 16
Removal and installation of counterweight assembly (Machine with add-on weight) ................................... 18
PC138US, USLC-8
Serial number
20001 and up
20001 and up
SEN02712-00
1