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Drive System
Maintenance
Checking the Tire Pressure
Service Interval: Every 25 hours—Check tire pressure.
Maintain the air pressure in the front and rear tires as
specified. Uneven tire pressure can cause uneven cut. Check
the pressure at the valve stem
when they are cold to get the most accurate pressure reading.
Refer to the maximum pressure suggested by the tire
manufacturer on the sidewall of the caster wheel tires.
Inflate the rear drive wheel tires to 90 kPa (13 psi).
Figure 42
1. Valve stem
Releasing the Electric Brake
The electric brake releases by manually rotating the link arms
forward. Once the electric brake is energized, the brake will
reset.
1. Turn the ignition key to the
the battery.
2. Locate the shaft on the electric brake where the
brake-link arms are connected
3. Rotate the shaft forward to release the brake.
Figure 43
1. Brake-link arm on the electric-brake-control module
(Figure
42). Check the tires
position or disconnect
OFF
(Figure
43).
Cooling System
Maintenance
Cleaning the Engine Screen
Service Interval: Before each use or daily—Clean the engine
air-intake screen.
To ensure proper cooling, ensure that the grass screen,
cooling fins, and other external surfaces of the engine are
kept clean at all times.
Use a dry brush to clean grass and accumulated debris from
the air-intake screen and around the engine.
Important: To prevent contaminating the fuel system,
do not use water to clean the engine.
Cleaning the Engine-Cooling
Fins and Shrouds
Service Interval: Every 100 hours—Clean the engine-cooling
fins and shrouds.
1. Disengage the blade-control switch, move the control
levers to the N
EUTRAL
parking brake.
2. Shut off the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Remove the air-intake screen and cooling shrouds.
4. Clean the debris and grass from the engine parts.
5. Install the air-intake screen and cooling shrouds.
35
-L
position, and apply the
OCK
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