| 摘要 |
An interlock system for a lawn and garden tractor or similar vehicle include s a latching circuit with a two-pole seat switch and an operator push button switch connected to a latch relay to provide operator actuated mow in reverse feature. The syste m provides a latching function which is actuated by the operator each time the vehicle is put into reverse to facilitate mowing in reverse. If the vehicle is placed in reverse with th e PTO turned on and without the push button switch being depressed, the engine will be disabled. Also, if the operator leaves the seat while the vehicle is mowing in reverse, the engine will be disabled. The circuit includes a two pole operator presence switch connected to the PT O switch and to the brake switch, respectively, to isolate the circuits for simplicity an d ease of routing connecting lines to indicators.
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