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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