Interlock System - Jacobsen 67963 – LF 4677 Handbuch

3.5

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 mower switches are OFF. The sys-
tem also stops the engine if the operator leaves the seat
with the mower switch(es) 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
fail as listed below:
the tests
 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.

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
Parking
Brake
No On Off




 
 
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 mower
switches are OFF. The engine should start.
Test 2: The engine must not start if the mower switch is
ON (forward or reverse). Repeat test for each mower
switch.
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, turn
mower switch ON (forward or reverse), and lift your
weight off the seat. Repeat test for each mower switch.

Test 6: Start the engine in the normal manner,
disengage parking brake, and lift your weight off the
seat. 
Traction Pedal Mower
in Neutral Switches
Yes No On

 


 

SET-UP
Engine
Starts
Off Yes No
 

 
 

 
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