Komatsu PC200-8M0 Shop Manual page 95

200 Power train
Swing machinery
1. Drain plug
2. Swing pinion (No. of teeth: 13)
3. No. 2 planetary gear
4. No. 2 sun gear
5. No. 2 planetary carrier
6. No. 1 planetary carrier
7. No. 1 planetary gear
8. No. 1 sun gear
9. Swing motor
10. Oil level gauge
11. Ring gear
12. Case
Specifications
Reduction ratio: ((17 + 58)/17) x ((14 + 58)/14) = 22.689
No. Check item
Backlash between swing motor
13
shaft and No. 1 sun gear
Backlash between No. 1 sun
14
gear and No.1 planetary gear
Backlash between No. 1 plane-
15
tary gear and ring gear
Backlash between No. 1 plane-
16
tary carrier and No. 2 sun gear
Backlash between No. 2 sun
17
gear and No.2 planetary gear
Backlash between No. 2 plane-
18
tary gear and ring gear
Backlash between No. 2 plane-
19
tary carrier and swing pinion
Backlash between swing pinion
20
and swing circle
Clearance between plate and
21
No. 2 planetary carrier
Clearance between No. 2 sun
22
gear and plate
Wear of swing pinion surface
23
contacting with oil seal
PC200, 200LC, 220, 220LC-8M0
Criteria
Standard clearance
0.18 to 0.28
0.16 to 0.50
0.18 to 0.59
0.35 to 0.64
0.12 to 0.44
0.16 to 0.56
0.08 to 0.23
0.23 to 1.37
0.58 to 1.62
2.56 to 3.84
Standard dimension
ø125 (0/ – 0.100)
Allowable clearance
—
1.00
1.10
1.20
0.90
1.00
—
2.00
—
—
Repair limit
—
SEN06117-00
Unit: mm
Remedy
Replace
Apply hard
chrome plating or
replace
11
10-200