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7
OPERATION
GB
7.2 OPERATOR PRESENCE AND SAFETY INTERLOCK SYSTEM
1.
The operator presence & safety interlock system prevents the engine from starting unless the parking
brake is engaged, the mowing device is off and the operator is in the seat. The system also stops the
engine if the operator leaves the seat with the mowing device engaged or the parking brake dis-
engaged.
2.
Perform each of the following tests to ensure the operator presence & safety 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 start in test 1;
•
The engine does not start during tests 2 or 3;
•
The engine Stops during test 4.
3.
Refer to the chart below for each test and follow the check ( ) marks across the chart. Shut engine
off betwen each test.
Test1: Represents normal starting procedure. The operator is seated, parking brake is engaged, the
operators feet are off the pedals and the mower engagement device is off. The engine should start.
Test 2: The engine must not start if the mower engage device is on.
Test 3: The engine must not start if the parking brake is not applied.
Test 4: Start the engine in the normal manner, then turn mower engage device on and lift your weight
off the seat.
WARNING
Never operate the equipment with the
operator presence & safety interlock
system disengaged or malfunctioning. Do
not disconnect or bypass any switch.
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JACOBSEN G-PLEX III Series: DN & DP
SAFETY AND OPERATORS MANUAL
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GB-15
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