Servicing The Bushings In The Castor Arms; Servicing The Castor Wheels And Bearings - Toro 31335 Operator's Manual

line up with the holes in the castor arm bracket and
the height of cut rod can be inserted into the lift arm
pads (Figure 26).
5. Secure the lift arm to the castor arm with (2) thrust
washers, a clevis pin and a hair pin cotter. Position
the thrust washers between the lift arm and the castor
arm bracket (Figure 26). Insert end of cotter pin into
the slot in the castor arm tab to retain cotter pin.
6. Repeat the procedure on the opposite lift arm.
7. Start the traction unit and raise the cutting unit.
4
3
2
1
1. Castor arm bracket
2. Hairpin cotter
3. Clevis pin
5
g018216
Figure 26
4. Lift arm
5. Thrust washer
Servicing the Bushings in the
Castor Arms
The castor arms have bushings pressed into the top and
bottom of the tube and after many hours of operation,
the bushings will wear. To check the bushings, move the
castor fork back and forth and from side to side. If the
castor spindle is loose inside the bushings, the bushings
are worn and must be replaced.
1. Raise the cutting unit so that the wheels are off of
the floor. Block the cutting unit so that it cannot
accidentally fall.
2. Remove the tensioning cap, spacer(s), 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(s) 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 27). Also drive the other bushing out of the
tube. Clean the inside of the tubes to remove dirt.
1. Castor arm tube
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
damaged.
7. Push the castor spindle through the bushings and
mounting tube. Slide the thrust washer and spacer(s)
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 between the castor fork (Figure 28).
Grasp the castor wheel and slide the bolt out of the
fork or pivot arm.
22
Figure 27
2. Bushings