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XVII. Description of OPS System
OPS System
（
For hydraulic electronic shifting truck only
）
The OPS (Operator Presence Sensing) System is developed to assure the
safety and prevent the operators from travelling or handling operation when the
operator is not seated or not in the proper position, helping to decrease or prevent
the accidents due to the maloperation.
Engine Stalling.
If the driver leaves the seat or the seatbelt is unfastened (if seat pressure switch
is applied on the seat) or the parking brake is not applied, the buzzer will alarm.
If there is no seat pressure switch input, when the driver sits correctly or applies
the parking brake, the alerting alarm stops.
If there is seat pressure switch input, when the driver sits correctly and fastens the
seatbelt or applies the parking brake, the alerting alarm stops.
Engine Running
1.
Start the engine
When the gear switch is in the neutral position and the driver sits correctly
with the buckle of seatbelt well put in the receptacle, or applies the parking brake,
the engine is able to start. If the gear switch is not in the neutral position, there is
no starting signal output.
Warning
If a forklift truck is parking in a slope, it‘s necessary to apply the brake pedal
before starting in case of slipping.
2. Forward or Reverse Protection
After the engine has started, shift the gear switch to first gear of forward or
reverse, the vehicle is able to start. If the gear switch is shifted to second gear of
forward or reverse, the neutral indicator light flashes and the vehicle cannot start.
The forward or reverse power can recover if the gear switch hangs in neutral
switch.
If the driver leaves the seat or unfastens the seatbelt (if seat pressure switch is
applied) over 3 seconds in the process of travelling, the buzzer will alarm and the
neutral indicator flashes and OPS lights are on and the truck stops automatically.
If the driver returns and sits correctly, the alerting alarm stops and OPS light
turns off. The neutral indicator light is normally on when the gear switch is in the
neutral position. When gear switch hangs in the forward or reverse gear, the
vehicle recovers travelling.
Caution
There is no ― ‖OPS light on the instrument for some truck models.
For trucks mounted with seat applied with the seat pre
ssure switch, it‘s required
that the driver sits correctly and then put the buckle of the seatbelt into the
receptacle. Note if the sequence is not followed, the truck will not start.
The gear switch is set in the neutral place by default in the procedure, neutral
indicator light flashing reminds the driver to hangs the gear switch in the neutral
position.
