Wheel Bearing Service (Tow Chassis) - Toro ProPass 200 Service Manual

Wheel Bearing Service (Tow Chassis)

See Text for
Tightening Procedure
8
9
6
1. Walking beam axle
2. Hub (2 used per axle)
3. Bearing cone (2 used per hub)
4. Seal
NOTE: The outer hub and wheel bearings can be re-
moved with the walking beam attached to the ProPass
machine. If the inner hub needs to be removed, walking
beam removal is necessary (see Walking Beam As-
sembly in this section).
Removal (Fig. 16)
1. Position ProPass on a level surface attached to tow-
ing vehicle. Apply vehicle parking brake, stop engine
and remove key from the ignition switch. Chock Pro-
Pass wheels to prevent machine from moving.
2. Jack or hoist ProPass from ground and support ma-
chine with appropriate jack stands.
3. If inner wheel bearings are to be serviced, remove
walking beam from machine (see Walking Beam As-
sembly in this section).
4. Remove wheel assembly (see Wheel Assemblies in
this section).
5. Carefully pry dust cap from wheel hub.
Chassis
5
5
3
7
5. Bearing cup (2 used per hub)
6. Dust cap
7. Spindle washer
8. Spindle nut
1
4
3
11
2
Figure 16
6. Remove cotter pin from axle spindle.
7. Remove nut retainer, spindle nut and spindle washer
that secure wheel hub to spindle. Slide wheel hub with
bearings from spindle.
8. Disassemble wheel hub:
A. Pull seal out of the wheel hub. Discard seal.
B. Remove bearing cones from both sides of wheel
hub. Clean bearings in solvent. Clean inside of hub.
C. If necessary, remove bearing cups from hub us-
ing a hammer and punch. Take care to not damage
hub as bearing cups are removed.
D. Inspect wheel bearings. Check the bearing cones
and bearing cups for wear, pitting or other damage.
Replace worn or damaged parts.
E. If necessary, use a press to remove wheel studs
from hub.
Page 5 - - 18
10
9. Nut retainer
10. Cotter pin
11. Wheel stud (5 used per hub)
ProPass 200