Maintain the air pressure in the front and rear
tires . T he cor rect air pressure is 15 psi (103 kP a)
in the rear tires and 25 psi (172 kP a) in the caster
wheels . Unev en tire pressure can cause unev en
cut. Chec k the tires when they are cold to g et the
most accurate pressure reading .
Figure 51
Replacing the Castor Wheels
and Bearings
1. Obtain a new caster wheel assembly , cone
bearings , and bearing seals for y our A uthorized
T oro Distributor .
2. R emo v e the loc kn ut from the bolt holding the
castor wheel assembly betw een the castor fork
( Figure 52 ).
Figure 52
1. Nut
6. Spacer
2. Bearing spacer
7. Caster wheel
3. Outer bearing seal 8. Axle bolt
4. Cone bearing 9. Caster fork
5. Inner bearing seal
3. Grasp the castor wheel and slide the bolt out
of the fork or pi v ot ar m.
4. Discard the old caster wheel and bearings .
5. Assemble the castor wheel b y pushing the cone
bearings and seals , pac k ed with g rease , into the
wheel hub , positioned as sho wn in Figure 52 .
6. Slide the spacer into the wheel hub through
the bearings , capti v ating the spacer inside the
wheel hub with 2 bearing spacers .
Important: Ensur e that the seal lips ar e
not f olded in.
7. Install the castor wheel assembly betw een the
castor fork and secure it in place with the bolt
and loc kn ut.
8. Tighten the n ut until the wheel no long er spins
freely , then bac k it off just until the wheel spins
freely .
9. Attac h a g rease gun to the g rease fitting on
the caster wheel and fill it with No . 2 General
Pur pose Lithium Base Grease .
Cooling System
Maintenance
Discharge of hot pr essuriz ed coolant or
touching hot radiator and sur r ounding par ts
can cause sev er e bur ns.
• Do not r emo v e the radiator cap when
the engine is hot. Al w ays allo w the
engine to cool at least 15 min utes or
until the radiator cap is cool enough to
touch without bur ning y our hand bef or e
r emo ving the radiator cap .
• Do not touch radiator and sur r ounding
par ts that ar e hot.
53
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