Operation; Daily Inspection; Interlock System - Jacobsen AR522 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 switch is ON, 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
switch OFF.
!
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 fail as listed below:
l the engine does not start in test 1;
l the engine does start during tests 2,3 or 4;
l the engine continues to run during tests 5 or 6.
Test
Operator
Seated
Yes
1 4
2
4
3 4
4 4
5
4
6 4
H Lift your weight off seat. The cutting units must stop rotating within seven (7) seconds.
WARNING
Interlock System Check
Parking
Brake Switch
No On Off
4
4
4
4
H 4
H 4
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
Sections 6, 7, and 8.
3. Refer to the chart below for each test and follow the
check (4) marks across the chart. Shut engine off
between each test.
Test 1: Represents normal starting procedure. The
operator is seated, parking brake switch is ON, 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
switch is OFF.
Test 4: The engine must not start if the traction pedal
is pressed.
Test 5: Start the engine in the normal manner then
turn PTO switch ON and lift your weight off the seat.
H
Test 6: Start the engine in the normal manner then
turn parking brake switch OFF and lift your weight off
the seat. H
Traction Pedal
in Neutral Switch
Yes No On
4
4 4
4
4
4 4
4
OPERATION
PTO Engine
Starts
Off Yes
4 4
4
4
H
4 H
5
No
4
4
4
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