Komatsu PC200LC-8 Shop Manual page 43

STRUCTURE, FUNCTION AND
MAINTENANCE STANDARD
1. Level Plug
2. No. 1 Planetary gear (No. of teeth:
42)
3. Drain plug
4. No. 1 sun gear (No. of teeth:10)
5. No. 2 sun gear (No. of teeth: 21)
Specifications
Reduction ratio: . . . . . . – ((10 + 95)/10) x ((21 + 95)/21) + 1 = –57.000
No. Check item
Backlash between No. 2 sun
14
gear and No.2 planetary gear
Backlash between No. 1 plane-
15
tary gear and gear hub
Backlash between No. 2 plane-
16
tary carrier and motor
Backlash between No. 1 sun
17
gear and No.1 planetary gear
Backlash between No. 2 plane-
18
tary gear and gear hub
Backlash between No. 1 plane-
19
tary carrier and No. 2 sun gear
Amount of wear on sprocket
20
tooth
21 Width of sprocket tooth
Torque Values
Item
22
23
24
25
PC200LC-8
6. No. 1 planetary carrier
7. Cover
8. No. 2 planetary gear
9. Gear hub (No. of teeth: 95)
10. Sprocket
Standard clearance
0.13–0.47(0.005– 0.018)
0.17–0.57 (0.007–0.022)
0.06–0.25 (0.002–0.10)
0.14–0.46 (0.005–0.018)
0.16–0.56 (0.006–0.022)
0.38–0.66 (0.015–0.026)
Standard size
71 (2.80)
N•m
98 - 123
441 - 490
245 - 309
58.8 - 78.4
11. Floating seal
12. Travel motor
13. No. 2 planetary gear (No. of teeth:
36)
Criteria
Clearance limit
1.00 (0.040)
1.10 (0.043)
—
1.00 (0.040)
1.10 (0.043)
1.00 (0.040)
Repair limit: 6
Repair limit
68 (2.68)
POWER TRAIN
Unit: mm (in)
Remedy
Replace
Build-up welding or
replace
lbf ft
73 - 90
326 - 361
181 - 227
44 - 57
10-9