Textron Jacobsen MP493 - Operator Presence and Safety Interlock System

en-37
OPERATION 6
6.2 OPERATOR PRESENCE AND SAFETY INTERLOCK SYSTEM _________________
1. The Operator Presence And Safety Interlock System will not allow the engine to start unless the
traction pedal is in neutral and the cutter switch is turned off. Operator presence control will stop the
engine if the operator leaves the seat with the cutter switch engaged or the traction pedal engaged.
2. Do each of the tests as shown below. Check the Operator Presence And Safety Interlock System
operates. If any of the tests fail, have the system inspected and repaired.
• The engine does not start in test 1;
• The engine does start during tests 2 or 3.
• The engine continues to run during test 4.
3. Refer to the chart below for each test and follow the check () sign across the chart. Turn off the engine
between each test.
Test 1: Shows the normal start procedure. The operator must be in the driver seat with the parking
brake engaged. The operators feet must be away from the pedals, with the mower engagement device
turned off. The engine must start correctly.
Test 2: The engine must not start with the mower engagement device turned on.
Test 3: The engine must not start if the parking brake is disengaged.
Test 4: Start the engine, engage the mower and move your weight from the seat.
WARNING
Do Not Operate The Equipment With The Operator Presence And Safety Interlock System Disengaged.
If any of the tests fail, have the system inspected and repaired. Do Not Disconnect Or Short Any
Switch.
Test Operator in
the seat
Parking Brake
Engaged
Mower Switch Engine Starts
Yes No Yes No On Off Yes No
1  
2    
3 
4   
 Remove your weight from the seat. The cutting units must not rotate after
seven (7) seconds