Servicing The Castor Wheels And Bearings - Toro 30393 Operator's Manual

1. Raise the debris blower so that the wheels are off
of the floor. Block the blower so that it cannot
accidentally fall.
2. Remove the tensioning cap, spacer, and thrust
washer from the top of the castor spindle.
3. Pull the castor spindle out of the mounting tube.
Allow the thrust washer and spacer to remain on the
bottom of the spindle.
4. Insert a pin punch into the top or bottom of the
mounting tube and drive the bushing out of the tube
(Figure 19). Also drive the other bushing out of the
tube. Clean the inside of the tubes to remove dirt.
1. Bushings
5. Apply grease to the inside and outside of the new
bushings. Using a hammer and flat plate, drive the
bushings into the mounting tube.
6. Inspect the castor spindle for wear and replace it if
it is damaged.
7. Push the castor spindle through the bushings and
mounting tube. Slide the thrust washer and spacer
onto the spindle. Install the tensioning cap on the
castor spindle to retain all parts in place.
Servicing the Castor Wheels
and Bearings
1. Remove the locknut from the bolt holding the castor
wheel assembly and washers between the castor fork
(Figure 20). Grasp the castor wheel and slide the
bolt out of the fork. Remove the tire spanner from
inside the wheel assembly.
Figure 19
2. Castor arm tube
1. Locknut
2. Washer
3. Tire spanner
2. Remove one of the outer bearings from the
wheel hub and allow the inner bearing to fall out
(Figure 21). Remove the bearing from the opposite
side of the wheel hub.
1. Bearing (outer)
2. Wheel assembly
3. Check the bearings (inner and outer), tire spanner,
and inside of the wheel hub for wear. Replace any
damaged parts.
4. To assemble the castor wheel, push a outer bearing
into the wheel hub. When installing the bearings,
press on the outer race of the bearing.
5. Slide the inner bearing into the wheel hub. Push the
other bearing into the open end of the wheel hub to
captivate the bearing spacer inside the wheel hub.
6. Insert the tire spanner into the wheel assembly.
7. Install the castor wheel assembly and washers
between the castor fork and secure it in place with
the bolt and locknut.
15
Figure 20
4. Castor fork
5. Castor wheel
6. Bolt
Figure 21
3. Bearing (inner)