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7.3 Pursuit 1836D / 1844D OPC SYSTEM
The 1836D/1844D OPC System prevents the engine to start unless the steering control levers are in the Neutral position
and the PTO switch is in the OFF (Down) position. The cutting unit does not operate with the drive levers in the Neutral
position.
Do each of these tests to make sure the Interlock System operates correctly. If any of the tests fail, stop the test and have
the system inspected and repaired as shown below:
• The engine does not start during test 1
• The engine does start during tests 2 and 3
• The engine continues to run during test 4
Refer to the chart below for each test and follow the check (
ü
) marks across the chart. Turn off the engine between each
test.
TEST 1: The test shows the normal engine start procedure. The operator is behind the mower, the steering control levers
are in the NEUTRAL position and the PTO switch is in the OFF (down) position. The engine will start.
TEST 2: The engine must not start if the PTO switch is in the ON position.
TEST 3: The engine must not start if the steering control lever is out of the NEUTRAL position. Repeat test for both the left
and right side steering control levers.
TEST 4: Start the engine with the normal procedure. Make sure the steering control levers are in the Neutral position.
Turn on the PTO switch. The cutting unit blades must not rotate.
Test
PTO Switch OFF
Steering Control
Levers in Neutral
Engine Starts
Yes
No
Yes
No
Yes
No
1
ü
ü
ü
2
ü
ü
ü
3
ü
ü
ü
4
ü
*
ü
*
WARNING
Do not operate the equipment with the OPC System disconnected or the system does not operate correctly.
Do not disconnect or prevent the operation of any switch.
OPERATION
7
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