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Drive System
Maintenance
Checking the Tire Pressure
Service Interval: Every 50 hours
Check the pressure after every 50 operating hours or monthly,
whichever occurs first.
Maintain the air pressure in the front and rear tires. The
correct air pressure is 172 kPa (25 psi) in the rear tires and
103 kPa (15 psi) in the front tires. If a cab is installed on the
machine, the front and rear tires should be inflated to 172
kPa (25 psi). Uneven tire pressure can cause uneven cut.
Check the tires when they are cold to get the most accurate
pressure reading.
Correcting Steering
Misalignment
Four Wheel Drive Models
1. Press the steering selector switch to the rearward (four
wheels steer) position
Figure 38
1. Steering selector switch
Two and Four Wheel Drive Models
2. On a paved or dirt surface, turn the steering wheel to
the left or right and continue turning until all 4 wheels
have stopped turning. Automatic synchronization of
wheel alignment should occur.
Important: Doing this procedure on turf can
result in turf damage directly under each of the
turning tires.
(Figure
38).
Cooling System
Maintenance
DANGER
Discharge of 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).
1. Check the level of the coolant in the expansion tank
(Figure
39). The coolant level should be between the
marks on the side of the tank.
2. If coolant level is low, remove the expansion tank cap
and replenish the system. Do not overfill.
39
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