6 OPERATION
15
6 OPERATION
6.1 DAILY INSPECTION________________________________________________________
1. Perform a visual inspection of the entire unit, look for
signs of wear, loose hardware, and missing or damaged
components. Check for fuel or oil leaks to ensure
connections are tight and hoses and tubes are in good
condition.
2. Check the fuel supply, radiator coolant level, crankcase
oil, and air cleaner indicator. All fluids must be at the
full level mark with engine cold.
3. Make sure all mowers are adjusted to the same cutting
height.
4. Visually check tires for proper inflation.
5. Test the interlock system.
Note: For more detailed maintenance information,
adjustments and maintenance/lube charts, see the
Parts & Maintenance manual.
6.2 INTERLOCK SYSTEM ______________________________________________________
1. The Interlock System prevents the engine from
starting unless the traction pedal is in Neutral, and
the power take-off switch is OFF. The system also
stops the engine if the operator leaves the seat with
the power take-off switch ON, or traction pedal out of
Neutral.
2. Perform each of the following tests to insure the
Interlock system is functioning properly. Stop the
test and have the system inspected and repaired if
any of the tests fail as listed below:
the engine does not start in test 1;
the engine does start during tests 2 or 3;
the engine continues to run during tests 4 or 5.
3. Refer to the chart below for each test and follow the
check () marks across the chart. Shut engine off
between each test.
Test 1: Represents normal starting procedure. The
operator is seated, parking brake is engaged, the
operator’s feet are off the pedals, and the power take-
off switch is OFF. The engine should start.
Test 2: The engine must not start if the power take-
off switch is ON.
Test 3: The engine must not start if the traction pedal
is pressed.
Test 4: Start the engine in the normal manner then
turn power take-off switch ON and lift your weight off
the seat.
Test 5: Start the engine in the normal manner then
with parking brake engaged, slightly press the
traction pedal and lift your weight off the seat.
Lift your weight off seat. The engine will shut down.
Horn will sound. Lift your weight off seat. The engine will shut down.
CAUTION
The daily inspection should be performed only when
the engine is Off and all fluids are cold. Lower mowers
to the ground, engage the parking brake, stop engine,
and remove ignition key.
WARNING
Never operate equipment with the Interlock
System disconnected or malfunctioning. Do not
disconnect or bypass any switch.
Interlock System Check
Test Operator
Seated
Traction Pedal
in Neutral
Power Take-off
Switch
Engine
Starts
Yes No Yes No On Off Yes No
1
2
3
4
5
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