Caster Wheel And Bearings Service - Toro ProLine Hydro 17 HP Operator's Manual

1
3
4
Figure 64
1. Locking Pin
2. Spacers (locate as
required)
4. Insert a pin punch into the mounting tube and carefully
drive out the bushings (Fig. 65). Clean the inside of
the mounting tube.
5. Grease the inside and outside of the new bushings. Use
a hammer and flat plate to carefully drive the bushings
into the mounting tube.
6. Inspect the caster wheel fork for wear and replace if
necessary (Fig. 64).
7. Slide the caster wheel fork through the bushings in the
mounting tube. Replace the spacers(s) onto the fork
and secure with the retaining ring (Fig 64).
Important The inside diameter of the bushings may
collapse slightly when installed. If the caster wheel fork
does not slide into the new bushings, ream both bushings
to an inside diameter of 1.126 in. (28.6mm).
8. Grease the fitting on the carrier frame mounting tube
using No. 2 general purpose lithium base or
molybdenum base grease.
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2
2
3. Carrier Frame Mounting
Tube
4. Caster Wheel Fork
45
2
1
2
Figure 65
1. Carrier Frame Mounting
Tube
Caster Wheel and Bearings
Service
The caster wheels rotate on a roller bearing supported by a
spanner bushing. If the bearing is kept well lubricated,
wear will be minimal. Failure to keep the bearing well
lubricated will cause rapid wear. A wobbly caster wheel
usually indicates a worn bearing.
1. Remove the locknut and wheel bolt holding the caster
wheel to the caster fork (Fig. 66).
2. Remove one bushing, then pull the spanner bushing
and roller bearing out of the wheel hub (Fig. 66).
3. Remove the other bushing from the wheel hub and
clean any grease and dirt from the wheel hub (Fig. 66).
4. Inspect the roller bearing, bushings, spanner bushing
and inside of the wheel hub for wear. Replace any
defective or worn parts (Fig. 66).
m–5197
2. Bushing