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7
OPERATION
7.3
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 park brake not
applied or the emergency brake valve lever is operated.
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 2,3;
•
The engine continues to run during test 4.
3.
Refer to the chart below for each test and follow the check tick marks across the chart. Shut engine
off between 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 park brake is not applied.
Test 4:
Start the engine in the normal manner, push speed governor into Cut position, engage
mower switch on dash, engage cutting blades by depressing foot switch and lift your
weight off the seat.
e T
t s
1
2
3
4
L
t f i
GB-18
All manuals and user guides at all-guides.com
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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RANSOMES HR3806 Series: DZ
SAFETY AND OPERATORS MANUAL
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( n
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