Operating Checks; Operator Back-Up System - Jacobsen LF 3810 Dealer's Manual

3.5

OPERATING CHECKS ______________________________________________________

After the initial inspection and set-upof reels and
accessories test the tractor and implements for proper
operation.
1. Test the operator back-up system. [Section 3.6]
2. Start the tractor and check the switches, gauges,
pedals and controls
[Sections 2.2, 2.3, 2.4, 2.5, 2.6 and 2.7]
3.6

OPERATOR BACK-UP SYSTEM ______________________________________________

1. The operator backup system prevents the engine
from starting unless the parking brake is engaged,
the traction pedal is in neutral and the main reel
switch is "OFF". The system also stops the engine if
the operator leaves the seat with the main reel switch
"ON" with at least one individual reel switch "ON",
traction pedal out of NEUTRAL, or parking brake
"DISENGAGED".
!
WARNING
Never operate equipment with the operator
backup system disconnected or malfunctioning.
Do not disconnect or bypass any switch.
2. Perform each of the following tests to insure the
operator backup 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 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.
operate as descrtibed.
!
Operator's Back-up System Check
Parking Traction Pedal
Brake
No On Off
3. Operate traction pedal and check that tractor
operates smoothly in both directions. Check that
tractor stops when traction pedal is released.
4. Check that the tractor does not creep.
5. After operation, stop tractor and visually check for
oil or hydraulic leaks.
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 main reel
switch is 'OFF". The engine should start.
Test 2: The engine must not start if the main reel
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 main reel switch "ON", one individual 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.
Main Reel
in Neutral Switch
Yes No On
SET-UP
Individual
Reel Switch
Off Yes No Yes
3
Engine
Starts
No
13