activated switch will shift the transmission to neutral,
and sound an alarm for 10 seconds. If the lift truck is
left on a grade, without the parking brake fully applied,
the lift truck will freewheel down the grade, possibly
causing injury or property damage.
The OPS feature has an electrical switch in the seat which
senses the presence of the operator. This allows the trans-
mission in internal combustion engine trucks to be engaged
only when the operator is in the seat. The OPS is designed
with slight delay in the seat switch to allow the operator to
reposition himself without disengaging the transmission.
When the seat switch disengages the transmission (neutral
position), the operator must depress the service brake
pedal to re-engage the traction (travel mode).
A switch in the operator's seat will automatically shift the
transmission to neutral within 1-2 seconds when the opera-
tor leaves the seat of the lift truck with the engine running
and without applying the parking brake.
If the lift truck is equipped with a Direction Control Lever
and the operator leaves the seat without engaging the
parking brake, the "N" indicator light on the Display Switch
Cluster will illuminate regardless of the position of the
Direction Control Lever. When the operator returns to the
seat, to resume travel, the Direction Control Lever must be
moved to the "N" position, then to the desired direction of
travel.
If the lift truck is equipped with a Foot Directional Control
pedal and the operator leaves the seat without engaging
the parking brake, the "N" indicator light on the Display
Switch Cluster will illuminate regardless of the position of
the Foot Directional Control pedal. When the operator
returns to the seat, the indicator light will change from "N"
to the direction of travel that the Foot Directional Control
pedal was last in when the operator left the lift truck. The
operator can resume travel by depressing the Foot Direc-
tional Control pedal.
Optional Operator Presence System
WARNING
ALWAYS make sure the parking brake is fully applied
before leaving the lift truck. If the operator leaves the
lift truck without applying the parking brake, a seat
activated switch will shift the transmission to neutral
and disable hydraulic mast functions. An alarm will
sound for 10 seconds. If the truck is left on a grade,
without the parking brake fully applied, the lift truck
Operating Procedures
85
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