Toro Groundsmaster 4300-D Service Manual page 373

Disassembling the Blade Spindle
Assembling the Blade Spindle
Groundsmaster ® 4300-D
16226SL Rev C
1. Remove the blade spindle from the cutting deck; refer to
Spindle (page 7–8).
2. Loosen and remove the spindle nut from the top of the spindle shaft.
3. Use an arbor press to remove the spindle shaft from the spindle housing.
Note: Ensure that the spindle shaft spacer remains on the spindle shaft
while removing the shaft.
4. Carefully remove the oil seals from the spindle housing, note the direction
of the seal lips.
5. Allow the bearing cones, inner bearing spacer, and spacer ring to drop out of
the spindle housing.
6. Use an arbor press to remove the 2 bearing cups and outer bearing spacer
from the housing.
Note: The large snap ring can remain inside the spindle housing. Removing
the large snap ring is very difficult.
Note: A replacement spindle bearing set contains 2 bearings, a spacer ring,
and a large snap ring (items 1, 2, and 3 in
these parts separately. Also, do not mix the bearing set components from one
deck spindle to the another.
Note: A replacement bearing spacer set includes the inner spacer and outer
spacer (items 4 and 5 in
deck spindle to the another.
If new bearings installed into a used spindle housing, it is not
necessary to replace the original large snap ring. If the original large
snap ring is in good condition with no sign of damage (e.g., spun
bearing), leave the snap ring in the housing and discard the large
snap ring that comes with the new bearings. If the large snap ring is
damaged, replace the snap ring.
1. If the large snap ring was removed from the spindle housing, install the snap
ring into the housing groove.
Note: Ensure that the snap ring is fully seated in the housing groove.
2. Install the outer bearing spacer into top of the spindle housing.
Note: Ensure that the outer bearing spacer fits against the large snap ring.
Figure
Figure 231). Do not mix the bearing spacers from one
IMPORTANT
Page 7–11
Removing the Blade
231). You cannot purchase
Cutting Deck: Service and Repairs