Operation; Daily Inspection; Interlock System - Jacobsen AR-522 jossa ROPS Safety & Operation Manual

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
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
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.
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
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 Switch
Yes No On
✔
✔ ✔
✔
✔
✔ ✔
✔
OPERATION
PTO Engine
Starts
Off Yes
✔ ✔
✔
✔
★
✔ ★
5
No
✔
✔
✔
15