Operation 5; Daily Inspection; Interlock System - Jacobsen 68098 Handbuch

5 OPERATION
5.1

DAILY INSPECTION ________________________________________________________

!
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.
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.
5.2

INTERLOCK SYSTEM ______________________________________________________

1. The interlock system prevents the engine from starting
unless the parking brake is engaged, the traction pedal is
in neutral and the PTO switch is OFF. The system also
stops the engine if the operator leaves the seat with the
PTO switch ON, traction pedal out of NEUTRAL, or
parking brake DISENGAGED.
!
Never operate equipment with the Interlock System
disconnected or malfunctioning. Do not disconnect
or bypass any switch.
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
listed below:
the engine does not start in test 1;
l
the engine does start during tests 2,3 or 4;
l
Test
Operator
Seated
Yes
1
2
3
4
5
6
Lift your weight off seat. The cutting units must stop rotating within seven (7) seconds.
WARNING
Interlock System Check
Parking
Brake
No On Off
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.
the engine continues to run during tests 5 or 6.
l
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 PTO switch is
OFF. The engine should start.
Test 2: The engine must not start if the PTO 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
fail as
PTO 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.
Traction Pedal
in Neutral
Yes No

OPERATION 5

PTO Engine
Switch Starts
On Off Yes No
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