Simplicity LTH series Service Manual page 216

7 Transmission Repair
7D Hydro-Gear 0750 / 0800
8. Lift the axle/differential assembly out of the upper
housing.
NOTE: It will be necessary to remove any burrs or rust
from the axle ends prior to the removal of the two bronze
bearings. Burns and rust will damage the bearings.
NOTE: The 0800 model uses ball bearings to support the
axle shaft. Ball bearings can be used in the 0750 if
desired.
9. Remove the two bronze journal bearings, four lip
seals and two flat washers from the axle ends.
NOTE: The lip seals must not be re-used during
reassembly.
10. Model 0750:Inspect the bronze bearings for exces-
sive wear. The bearings should be 0.754" to 0.756".
Model 0800: Inspect the ball bearings for excessive
play.
11. Inspect the axle ends for damage or excessive wear.
The axle ends should be 0.749" to 0.750".
12. Inspect the differential bevel gears by rotating the
axle ends.
13. Inspect the final drive gear teeth for excessive wear
or damage.
14. Check the differential assembly screws for proper
torque. They should be torqued to 12-14 ft. lbs.
15. Inspect the journal bearings inside the differential
housing for excessive wear by feeling the shafts for
an unreasonable amount of play.
16. If excessive wear or damage has been found, the
complete assembly must be replaced.
Figure D–13. Components In Upper Housing
Journal Bearing
Figure D–14. Remove Axle / Differential Assembly
Figure D–15. Axle / Differential Components
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