Komatsu ecot3 PC300LC-8 Shop Manual page 81

10 Structure, function and maintenance standard
No. Check Item
Backlash between No. 1 sun gear
15
and No.1 planetary gear
Backlash between No. 1 planetary
16
gear and ring gear
Backlash between No. 2 planetary
17
carrier and motor
Backlash between No. 2 sun gear
18
and No.2 planetary gear
Backlash between No. 2 planetary
19
gear and ring gear
Backlash between No. 2 planetary
20
carrier and No. 2 sun gear
21
Amount of wear on sprocket tooth
22
Width of sprocket tooth
PC300, 350-8
1
Criteria
Standard clearance
0.12 – 0.44
0.18 – 0.62
0.06 – 0.25
0.15 – 0.51
0.19 – 0.66
0.39 – 0.80
Repair limit: 6
Standard size
87
SEN01991-00
Clearance limit
0.9
1.2
–
1.00
1.3
1.6
Build-up welding
for rebuilding or
Repair limit
84
Unit: mm
Remedy
Replace
replace
7