Komatsu Galeo PC138US-8 Shop Manual page 85

HYDRAULIC EXCAVATOR
PC138US-8
PC138USLC-8
Machine model
PC138US-8
PC138USLC-8
10 Structure, function and
maintenance standard
Undercarriage and frame
Track frame ..................................................................................................................................................... 2
Idler cushion.................................................................................................................................................... 4
Idler ................................................................................................................................................................. 6
Track roller ...................................................................................................................................................... 7
Carrier roller .................................................................................................................................................... 8
Sprocket .......................................................................................................................................................... 9
Track shoe .................................................................................................................................................... 10
PC138US, USLC-8
Serial number
20001 and up
20001 and up
SEN02547-01
1
1