Operating Checks; Interlock System - Jacobsen AR-522 Manual

3.3

OPERATING CHECKS ______________________________________________________

After the initial inspection and installation of reels and
accessories test the mower and implements for proper
operation.
1. Test the Interlock System.
[Section 3.4 ].
2. Start mower and check that switches, pedals and
controls operate as described.
[Section 2.2 and 2.3]
3. Check that warning lights and alarm are working.
4. Check that brake pedal does not have more than
one inch free travel before engaging brake disc.
[Section 4.4]
5. Operate traction pedal and check that mower
operates smoothly in both directions. Check that
3.4

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 mower switch is OFF. The system
also stops the engine if the operator leaves the seat
with the mower 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;
l
the engine does start during tests 2, 3, or 4;
l
the engine continues to run during tests 5 or 6.
l
Test
Operator
Seated
Yes
1
4
2
4
3
4
4
4
5
4
6
4
Lift your weight off seat. The cutting units must stop rotating within seven (7) seconds.
H
WARNING
Parking
Brake
No On Off
4
4
4
H 4
H
mower stops when traction pedal is released.
necessary, adjust forward and revese speeds.
[Section 4.6]
6. Check that mower does not drift with engine running
and traction pedal in Neutral. 
[Section 4.5]
7. Check adjustment of mow speed stop.
[Section 4.2]
8. Check operation of deck lift lever.
[Section 2.3]
9. Check operation of PTO switch.
[Section 2.3]
10. After operation, stop mower and inspect again for
oil or hydraulic leaks.
3. Refer to the chart below for each test and follow the
check (
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 mower
switch(es) is 'OFF". The engine should start.
Test 2: The engine must not start if the mower 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
mower 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.
H
Traction Pedal
in Neutral
Yes No
4
4
4 4
4
4
4 4
) marks across the chart. Shut engine off
4
Mower
Switch
On Off Yes
4
4
4
4
4
4
SET-UP 3
If
H
Engine
Starts
No
4
4
4
4
H
H
GB-11