Operation 4; Daily Inspection; Interlock System - Jacobsen R-311T Sicherheits- Und Bedienungshandbuch

4 OPERATION
4.1

DAILY INSPECTION ________________________________________________________

!
CAUTION
The daily inspection should be performed only when the
engine is off and all fluids are cold. Lower decks 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.
4.2

INTERLOCK SYSTEM ______________________________________________________

1. The Interlock System prevents the engine from starting
unless the parking brake is Engaged, 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
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
5 4
6 4
WARNING
Interlock System Check
Parking
Brake
No Engaged Disengaged
4
4
H 4
H
H Lift your weight off seat. The engine will shut down.
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 decks 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 (4) marks across the chart. Shut engine off
between each test.
Test 1: Represents normal starting procedure. The
operator is seated, parking brake is Engaged, traction
pedal is in Neutral, 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
not in Neutral.
Test 5: Start the engine in the normal manner then turn
the PTO switch ON and lift your weight off the seat. H
Test 6: Start the engine in the normal manner then
disengage parking brake and lift your weight off the
seat. H
Traction Pedal in
Neutral
Yes No
4
4
4 4
4
4
4 4

OPERATION 4

PTO Engine
Switch Starts
On Off Yes
4 4
4
4
4 H
4
H
No
4
4
en-17