Toro Sand Pro 2040Z Service Manual page 115

Removal (Fig. 4)
1. Park machine on a level surface, lower rear attach-
ment, stop engine, apply parking brake and remove key
from ignition switch.
2. Remove front wheel (see Front Wheel in this sec-
tion).
3. Carefully remove grease cap (item 6) from top of
frame castor hub. Discard grease cap.
4. Support castor fork to prevent it from falling. Remove
lock nut from top of castor fork. Slide castor fork from
frame.
5. Remove three (3) belleville washers and upper bear-
ing cone from frame. Note orientation of washers as
they are removed (Fig. 5). Belleville washer orientation
is critical for proper castor fork movement.
6. Pry seal (item 10) from frame and discard seal. Re-
move lower bearing cone from frame.
7. Clean and inspect bearing cups and cones. If wear
or damage is identified, replace bearings.
8. If necessary, remove bearing cups from machine
frame.
Installation (Fig. 4)
1. If bearing cups were removed from frame, press new
bearing cups into frame making sure that cups are
pressed fully to the shoulder in the frame.
2. Pack bearing cones with general purpose lithium
grease.
3. Position greased lower bearing cone into frame and
then install new seal (item 10) into bottom of frame hub.
4. Carefully raise castor fork up through frame taking
care to not damage seal in bottom of frame hub. Place
upper bearing cone and three (3) belleville washers onto
castor fork shaft. Make sure that belleville washers are
properly orientated (Fig. 5).
Sand Pro 2040Z
IMPORTANT: After correctly tightening the lock nut
that secures castor fork to frame, it should take from
65 to 75 in- lb (7.4 to 8.4 N- m) to rotate the castor
fork.
5. Install lock nut onto castor fork. Tighten lock nut until
castor fork requires from 65 to 75 in- lb (7.4 to 8.4 N- m)
to rotate.
6. Remove plug (item 12) from frame. Using grease
gun through plug hole in frame, fill area surrounding the
castor fork shaft with general purpose lithium grease. Al-
low grease to fill cavities below lower bearing, between
bearings and above upper bearing. Reinstall plug into
frame.
7. Install new grease cap (item 1) so cap shoulder is
flush with top of carrier frame. There should be no evi-
dence that the cap is indented by top of castor fork.
8. Install front wheel (see Front Wheel in this section).
Note washer
orientation
1. Lock nut
2. Belleville washer
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1
2
3
Figure 5
3. Bearing cone
Chassis