Tadano TM-2000-1, Service Manual

Page: 56 / 194

D - 2 D - 2
Swing Speed Reducer
4
W511-0280E
1. Output shaft
2. Bolt
3. Spring washer
4. Retainer (A)
5. Casing
6. Ball bearing
7. Retainer (B)
8. Snap ring 9. Plug
10. Carrier (B)
11. Snap ring
12. Sun gear (B)
13. King pin (A)
14. Plate
15. Planetary gear (A)
16. Needle bearing 17. Ring
18. Plug (G1/2)
19. Seal washer
20. Sun gear (A)
21. Plate
22. Carrier (A)
23. Snap ring
24.Ring 25. Plate
26. Planetary gear (B)
27. Needle bearing
28. Plate
29. King pin (B)
30. Roller bearing
31. Oil seal
32. Sleeve
Thread size and tightening torque
Tightening torque
Sign / Port Thread size
N-m ft-lbf
2 M8 23.5 – 27.5
17.3 – 20.3
18 G1/2 175 – 196 129.1 – 144.6
2. Removing of hydraulic motor
[NOTICE]
After fixing the swing frame, remove the hydraulic
motor and the reducer to prevent the swing frame
from self-rotating.
1. Before disassembly, mark to each mating surface
2. Drain oil from the hydraulic motor and the reducer.
3. After removing bolts (2) (eight places) securing
the hydraulic motor, remove the motor by using
pulling-out screw (2-M8) on the motor flange.
[NOTICE]
Support the hydraulic motor, 20kg (44.1lbf), firmly to
prevent falling.
3. Disassembly of reducer
[NOTICE]
Disassembly and assembly should be always
performed in a clean place caring dust and so on.
Careful work is necessary.
Do not beat and lever to prevent burrs and
breakages that cause impossible assembly and
performance deteriorations.
1. Take out parts from sun gear-A (20) to carrier
B(10).
[NOTICE]
King pins (13), (29) are fitted by shrinkage fitting,
space (14) is fitted by caulking.
2. Remove snap ring (8) and retainer-B (7), and
remove output shaft (1) from casing (5) by using a
press.
[NOTICE]
Sleeve (32) shrinkage fit, can not be removed.