Dealer Service
23
MAN0180 (Rev. 1/7/2005)
Figure 20
. Seal Installation
Vertical Shaft Seal Replacement
1.
Disconnect and remove the driveline from the
gearbox.
2.
Remove vent plug (24) and siphon gear lube from
housing through this opening.
3.
Remove gearbox stand from mower deck.
4.
Remove gearbox and pulley from gearbox stand.
5.
Remove vertical shaft seal (18). Replace with new
seal (see Seal Replacement, page 22).
Vertical seal should be recessed in housing. Hori-
zontal seal should be pressed flush with outside of
housing.
NOTE:
Distortion to seal cage or damage to seal
lip will cause seal to leak.
6.
Fill gearbox with SAE 80W or 90W gear lube until it
runs out the level plug.
7.
Assemble gearbox and pulley to gearbox stand.
Attach gearbox stand to mower deck.
Horizontal Shaft Seal Replacement
1.
Disconnect and remove the driveline from the
gearbox.
2.
Remove vent plug (24) and siphon gear lube from
housing through this opening.
3.
If the leak occurred at either end of horizontal shaft,
remove oil cap (20) and/or oil seal (19). Replace
with new one (refer to Seal Replacement, page
22).
4.
Fill gearbox with SAE 80W or 90W gear lube until it
runs out the level plug.
Figure 21
. Gearbox Assembly
2
3
4
CD1094
1
1. Seal
2. Pipe or tube
3. Seal seat
4. Casting
Incorrect
Installation
CD1092
Pipe or tube must
press at outer edge of seal
13 10
19
1
3
12
7
10
20
14
17
5
6
9
4
18
8
22
24
13
2
23
11
255
15
21
CD6090
27
1. Crown gear
2. Gearbox housing
3. Input shaft
4. Output shaft
5. Gear pinion
6. Bearing
7. Bearing
8. Protective flat washer
9. Cotter pin
10. Snap ring
11. Snap ring
12. Spacer
13. Shim kit
14. Castle nut
15. Castle nut M24 x 2
16. Shim kit
17. Flat washer
18. Oil seal (40 x 80 x 12)
19. Oil seal (35 x 72 x 10)
20. Cap
21. Snap ring
22. Top cover
23. Bolt M8 x 14mm
24. Breather level plug
25. Cotter pin
26. Bearing
27. Ball bearing
