Spesification of Final Drive Komatsu Pc 200-7

STRUCTURE, FUNCTION, & MAINTENANCE STANDARD FINAL DRIVE
PC200/220(LC)-7 10-7
(4)
12
1. Level plug
2. Drain plug
3. No. 2 sun gear (No. of teeth: 21)
4. No. 1 sun gear (No. of teeth: 10)
5. No. 1 planetary carrier
6. Cover
7. No. 2 planetary carrier
8. Sprocket
9. Floating seal
10. Travel motor
11. Hub
12. No. 2 planetary gear (No. of teeth: 36)
13. Ring gear (No. of teeth: 95)
14. No. 1 planetary gear (No. of teeth: 42)
SPECIFICATIONS
Reduction ratio:
Unit: mm
No. Check item Criteria Remedy
15
Backlash between No. 2 sun gear and
No. 2 planetary gear
Standard clearance Clearance limit
Replace
0.15 - 0.49 1.00
16
Backlash between No. 1 planetary gear
and ring gear
0.17 - 0.57 1.10
17
Backlash between No. 2 planetary carrier
and motor
0.06 - 0.25 —
18
Backlash between No. 1 sun gear and
No. 1 planetary gear
0.14 - 0.46 1.00
19
Backlash between No. 2 planetary gear
and ring gear
0.17 - 0.57 1.10
20
Backlash between No. 1 planetary carrier
and No. 2 sun gear
0.38 - 0.66 1.00
21 End play of sprocket shaft 0.00 - 0.10 —
22 Amount of wear on sprocket tooth Repair limit: 6
Rebuild or
23 Width of sprocket tooth replace
Standard size Repair limit
71 68
1 57.00
21
21 95
10
10 95 − = + 



×  + 



−  +