Komatsu Galeo PC138US-8 Shop Manual page 83

10 Structure, function and maintenance standard
No. Item
Backlash between swing motor
1
shaft and No. 1 sun gear
Backlash between No. 1 sun
2
gear and No. 1 planetary gear
Backlash between No. 1 plane-
3
tary gear and ring gear
Backlash between No. 1 plane-
4
tary carrier and No. 2 sun gear
Backlash between No. 2 sun
5
gear and No. 2 planetary gear
Backlash between No. 2 plane-
6
tary gear and ring gear
Backlash between No. 2 plane-
7
tary carrier and swing pinion
Back lash between swing pinion
8
and swing circle
Outside diameter of oil seal
9 contacting surface on swing
pinion collar
PC138US, USLC-8
Standard clearance
0.07 – 0.18
0.13 – 0.31
0.15 – 0.34
0.14 – 0.34
0.13 – 0.31
0.15 – 0.34
0.08 – 0.19
0.13 – 1.16
Standard size Tolerance
145
-0.100
Criteria
Clearance limit
0.4
0.6
0.7
0.7
0.6
0.7
0.4
2.3
Repair limit
0
144.8
SEN02546-01
Unit: mm
Remedy
Replace
Repair by hard
chrome-plating
or replace
1
5