5 OPERATION
11
5
OPERATION
5.1 DAILY INSPECTION________________________________________________________
1.
Perform a visual inspection of the entire unit, look for
signs of wear, loose hardware, and missing or dam-
aged 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.
5.2
Interlock System __________________________________________________________
1.
The Interlock System prevents the engine from start-
ing unless the parking brake is engaged, the traction
pedal is in neutral and the power take-offswitch is
OFF. The system also stops the engine if the opera-
tor leaves the seat with the power take-off switch ON,
traction pedal out of NEUTRAL, or parking brake
DISENGAGED.
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 2,3 or 4;
●
the engine
continues
to run during tests 5 or 6.
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 parking brake
is DISENGAGED.
Test 4:
The engine must not start if the traction pedal
is pressed.
Test 5:
Start the engine in the normal manner then
turn power take-off switch ON and lift your weight off
the seat.
★
Test 6:
Start the engine in the normal manner then
disengage parking brake and lift your weight off the
seat.
★
★
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
Parking
Brake
Traction Pedal
in Neutral
Power Take-off
Switch
Engine
Starts
Yes
No
Engaged
Disengaged
Yes
No
On
Off
Yes No
1
✔
✔
✔
✔
✔
2
✔
✔
✔
✔
✔
3
✔
✔
✔
✔
✔
4
✔
✔
✔
✔
✔
5
✔
★
✔
✔
✔
★
6
✔
★
✔
✔
✔
★