Jacobsen R311T-T4I, Safety, Operation And Maintenance Manual

Page: 26 / 126

5 OPERATION
en-26
5 OPERATION
5.1 DAILY INSPECTION________________________________________________________
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.
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
appropriate sections in this manual.
5.2 INTERLOCK SYSTEM ______________________________________________________
1. The Interlock System prevents the engine from
starting unless the parking brake switch is ON,
traction pedal is in Neutral, cruise control switch is
OFF 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,
cruise control switch on, or parking brake switch
OFF.
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, 4, or 5;
l
the engine continues to run during tests 6 or 7.
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,
traction pedal is in Neutral, cruise control switch is
ON, 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 not in Neutral.
Test 5: The engine must not start of the cruise control
switch is ON.
Test 6: Start the engine in the normal manner then
turn the PTO switch ON and lift your weight off the
seat.
H
Test 7: Start the engine in the normal manner then
turn parking brake switch OFF and lift your weight off
the seat.
H
H Lift your weight off seat. The engine will shut down.
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.
!
WARNING
Never operate equipment with the Interlock
System disconnected or malfunctioning. Do not
disconnect or bypass any switch.
!
Test Operator
Seated
Parking
Brake Switch
Traction Pedal in
Neutral
PTO
Switch
Cruise Control
Switch
Engine
Starts
Yes No ON OFF Yes No ON OFF ON OFF Yes No
1 4 4 4 4 4 4
2 4 4 4 4 4 4
3
4 4 4 4 4 4
4 4 4 4 4 4 4
5 4 4 4 4 4 4
6
4 H 4 4 4 H
7 4 H 4 4 4 H