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Figure 48
1. Nut
2. Bearing spacer
3. Outer bearing seal
4. Cone bearing
5. Inner bearing seal
3. Grasp the caster wheel, and slide the bolt out of the
fork or pivot arm.
4. Discard the old caster wheel and bearings.
5. Assemble the caster wheel by pushing the cone
bearings and seals, packed with grease, into the wheel
hub, positioned as shown in
6. Slide the spacer into the wheel hub through the
bearings, captivating the spacer inside the wheel hub
with 2 bearing spacers.
Important: Ensure that the seal lips are not
folded inward.
7. Install the caster-wheel assembly between the castor
fork and secure it in place with the bolt and locknut.
8. Tighten the nut until the wheel no longer spins freely,
then back it off just until the wheel spins freely.
9. Attach a grease gun to the grease fitting on the
caster wheel and fill it with No. 2 general-purpose,
lithium-based grease.
6. Spacer
7. Caster wheel
8. Axle bolt
9. Caster fork
Figure
48.
Cooling System
Maintenance
DANGER
Discharging hot pressurized coolant or touching
hot radiator and surrounding parts can cause severe
burns.
• Do not remove the radiator cap when the engine
is hot. Always allow the engine to cool at least
15 minutes or until the radiator cap is cool
enough to touch without burning your hand
before removing the radiator cap.
• Do not touch radiator and surrounding parts
that are hot.
DANGER
The rotating fan and drive belt can cause personal
injury.
• Do not operate the machine without the covers
in place.
• Keep fingers, hands and clothing clear of
rotating fan and drive belt.
• Shut off the engine and remove the ignition key
before performing maintenance.
CAUTION
Swallowing engine coolant can cause poisoning.
• Do not swallow engine coolant.
• Keep out of reach from children and pets.
Checking the Cooling System
Service Interval: Before each use or daily
The cooling system is filled with a 50/50 solution of water
and permanent ethylene glycol anti freeze. Check the level of
the coolant in the expansion tank at the beginning of each day
before starting the engine. The capacity of the cooling system
is 7.5 liters (6 quarts).
44
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