Toro Groundmaster Series Service Manual page 301

Servicing the Blade Spindle (Standard Series Cutting Units)
Groundsmaster ® 3200, 3300 and 3310
19240SL Rev A
g315887
1. Lock nut
2. Disc spring washer
3. Pulley
4. Bearing guard
5. Ball bearing (2 each)
Blade spindles for Standard series cutting units have cast aluminum spindle
housings, sealed ball bearings, 25 mm (1 inch) spindle shafts, and are designed
to use 5.1 mm (0.20 inch) thick blades.
Disassembling the Blade Spindle
Refer to Figure 134 for this procedure.
1. Remove the lock nut, disc spring washer, pulley, and bearing guard from
the top of the spindle shaft.
2. Remove the spindle shaft and bottom guard from the spindle housing.
3. Being careful not to damage the spindle housing bore, remove the bearings
and bearing spacer from the spindle housing. Discard the bearings.
4. Inspect the drive studs. Use an arbor press to replace any drive studs if
necessary.
Figure 134
6. Bearing spacer
7. Spindle housing
8. Bottom guard
9. Spindle shaft
10. Drive stud (6 each)
Page 8–9 Cutting Units: Service and Repairs