Komatsu PC200-8M0 Shop Manual page 89

200 Power train
Final drive
1. Level plug
2. No. 1 planetary gear (No. of teeth: 42)
3. Drain plug
4. No. 1 sun gear shaft (No. of teeth: 10)
5. No. 2 sun gear (No. of teeth: 21)
6. No. 1 planetary carrier
7. Cover
8. Ring gear (No. of teeth: 95)
9. No. 2 planetary carrier
10. Ring nut
11. Hub
12. Sprocket
13. Floating seal
14. Travel motor
15. No. 2 planetary gear (No. of teeth: 36)
Specifications
Reduction ratio: – ((10 + 95)/10) x ((21 + 95)/21) + 1 = –57.000
No. Check item
Backlash between travel motor
16
and No.2 planetary carrier
Backlash between No. 2 plane-
17
tary gear and ring gear
Backlash between No. 2 plane-
18
tary gear and No. 2 sun gear
Backlash between No. 1 plane-
19
tary gear and ring gear
Backlash between No. 1 plane-
20 tary gear and No. 1 sun gear
shaft
Backlash between No. 1 plane-
21
tary carrier and No. 2 sun gear
Amount of wear on sprocket
22
tooth
23 Width of sprocket tooth
PC200, 200LC, 220, 220LC-8M0
Criteria
Standard clearance
0.06 to 0.25
0.17 to 0.57
0.15 to 0.49
0.17 to 0.57
0.14 to 0.46
0.38 to 0.66
Repair limit: 6
Standard dimension
71
Allowable clearance
1.00
1.10
—
1.10
1.00
1.00
Repair limit
68
SEN06117-00
Unit: mm
Remedy
Replace
Rebuild by build-
up welding or
replace
5
10-200