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Adjusting the Caster Pivot
Bearing
Service Interval: Every 500 hours/Yearly (whichever comes
first)
1. Disengage the blade control switch (PTO), move the
motion control levers to the neutral locked position
and set the parking brake.
2. Stop the engine, remove the key, and wait for all moving
parts to stop before leaving the operating position.
3. Remove the dust cap from caster and tighten lock nut
(Figure 67).
4. Tighten the locknut until the spring washers are flat and
then back off a 1/4 turn to properly set the pre-load on
the bearings (Figure 67).
Important: Make sure the spring washers are
installed correctly as shown in Figure 67.
5. Install the dust cap (Figure 67).
Figure 67
1. Spring Washers
2. Lock Nut
3. Dust Cap
Cooling System
Maintenance
Cleaning the Engine Screen
and Engine Oil Cooler
Service Interval: Before each use or daily
Remove any build-up of grass, dirt or other debris from the
oil cooler (Figure 68).
Before each use remove any build-up of grass, dirt or
other debris from the engine screen. This will help ensure
adequate cooling and correct engine speed and will reduce
the possibility of overheating and mechanical damage to the
engine.
Cleaning the Engine Cooling
Fins and Shrouds
Service Interval: Before each use or daily
1. Disengage the PTO and set the parking brake.
2. Stop the engine, remove the key, and wait for all moving
parts to stop before leaving the operating position.
3. Clean the debris and grass from the engine parts.
45
Figure 68
G008804
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