Maintenance
WARNING
Incorrect installation of the blade or components used to retain the blade can be dangerous. Failure to use all original components and assembled as shown could allow a blade or blade component to be thrown out from under the deck resulting in serious personal injury or death.
Always install the original Exmark blades, blade bushings, and blade bolts as shown.
Check Safety Interlock System
Service Interval: Before each use or daily
Note: To prevent engine
1.Check starting circuit. Starter should crank with, parking brake engaged, PTO disengaged and motion control levers moved out in the neutral lock position. The operator does not need to be in the seat to start the engine.
Try to start with operator in seat, parking brake disengaged, PTO disengaged and motion control levers in the neutral lock position - starter must not crank.
Try to start with operator in seat, parking brake engaged, PTO engaged and motion control levers in the neutral lock position - starter must not crank.
Try to start with operator in seat, parking brake engaged, PTO disengaged, and the left motion control lever in, starter must not crank, repeat again with the right lever in, then with both levers in - starter must not crank.
2.Check the kill circuits. Run engine at
Run engine at
one second has elapsed if the handles are in. The delay will be 1/2 second if the handles are out.
Run engine at
Again, run engine at
Repeat again moving the right lever in, then moving both levers in - engine must initiate shutdown after 1/2 second has elapsed whether operator is on seat or not.
Note: If machine does not pass any of these tests, do not operate. Contact your authorized EXMARK
SERVICE DEALER.
Important: It is essential that operator safety mechanisms be connected and in proper operating condition prior to use for mowing.
Check Rollover Protections Systems (Roll Bar) Knobs
Service Interval: Before each use or daily
Check that both the mounting hardware and the knobs are in good working condition. Make sure the knobs are fully engaged with the ROPS in the raised position. The upper hoop of the roll bar may need to be pushed forward or pulled rearward to get both knobs fully engaged.
| Figure 23 |
1. Engaged | 2. Partially engaged — Do |
| Not operate with ROPS |
| in this condition. |
|
|
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