Spindle Service; Removing Spindle Housing Assembly; Repairs - Toro Groundsmaster 580-D Service Manual

Spindle Service

Removing Spindle Housing Assembly

1. Lower cutting unit to ground and engage parking
brake. Turn engine off and remove key from ignition
switch.
2. Remove belt cover from top of spindle housing to be
serviced. Loosen belt tension and remove belt from
spindle.
3. Raise cutting unit to transport position, turn engine
off and remove key from ignition switch. Make sure that
parking brake is engaged.
4. Using a rag or thickly padded glove, grasp end of
blade. Remove blade bolt, lock washer, anti--scalp cup
and blade from spindle assembly.
5. Remove six (6) carriage bolts and flange nuts hold-
ing spindle housing assembly to cutting unit housing. Lift
spindle housing assembly from cutting unit.
Disassembly (Fig. 25)
1. Remove lock nut and thrust washer retaining pulley
on spindle shaft. Slide pulley from shaft.
2. If equipped, remove o--ring from top of spindle shaft.
3. Press the spindle shaft out of the spindle housing
using an arbor press. The spindle shaft spacer remains
on the spindle shaft as the shaft is being removed.
4. Remove oil seals from spindle housing. Note posi-
tion of seal lips for assembly purposes.
5. Remove the bearing cones, inner bearing spacer
and spacer ring from the spindle housing.
6. Using a punch and hammer, drive both of the
bearing cups out of the spindle housing. Also, drive the
large spacer out of the housing.
7. The large snap ring can remain inside the spindle
housing. Removal of the large snap ring is very difficult.
Assembly (Fig. 25)
Important: If new bearings will be installed into a
used spindle housing that has the original large
snap ring installed, discard the large snap ring that
comes with the new bearing set because it is not
necessary to replace the original large snap ring in
the spindle housing. However, new bearings with
their matched spacer set, spacer ring and large
snap ring must always be installed when the spindle
housing is being replaced.
NOTE: A replacement bearing set contains bearings, a
matched spacer set, spacer ring and large snap ring
(Fig. 26). These parts cannot be purchased separately.
1. If large snap ring was removed or if replacing the
spindle housing, install large snap ring into groove in
bore of spindle housing. Make sure snap ring is seated
in housing groove.
Groundsmaster 580--D
5
10
1. Grease Fitting
2. Lock Nut
3. Thrust Washer
4. Pulley
5. Oil Seal
6. Bearing Set
7. Spindle Housing
1
3
1
1. Bearing
2. Inner Bearing Spacer
3. Spacer Ring
Page 7 - - 15
Rev. E
1
3
4
140 to 160 ft- -lb
(190 to 217 N- -m)
5
11
12
(190 to 217 N- -m)
13
Figure 25
8. Spindle Shaft Spacer
9. Spindle Shaft
10. Blade
11. Anti- -Scalp Cup
12. Lock Washer
13. Blade Bolt
2
Figure 26
4. Outer Bearing Spacer
5. Large Snap Ring
2
6
7
8
9
140 to 165 ft- -lb
4
5

Repairs