OPERATION AND SERVICE INFORMATION
3-11
Read all of manual to become thoroughly familiar with this vehicle. Pay particular attention to all Notes, Cautions and Warnings
handle is raised and disengaged when the handle is in the full down
position.
When leaving the vehicle unattended, engage the park brake by raising
the handle until it locks in place. To release the park brake, depress the
release button in the end of the handle while slightly raising the handle,
then lower the park brake handle.
HORN
The horn is operated by pushing the horn button located on the upper
floorboard to the left of the brake pedal (Ref Fig. 11 on page 3-10).
DIFFERENTIAL LOCK
The rear drive axle is equipped with a manually operated locking differ-
ential. With the differential unlocked, if one drive wheel looses traction,
all available power is transferred to that wheel until it regains traction.
With the differential locked, power is distributed to both drive wheels at
all times. Always disengage the differential lock after traction is
regained. With the differential locked, steering effort and tire wear is
increased due to the outside tire dragging during turns.
The differential lock should only be used when
additional traction is required. Continued use of the
differential lock may cause excessive wear to the rear tires.
The vehicle must be completely
stopped before engaging or
disengaging the differential lock. Failure to stop will
damage the differential.
To engage the differential lock, stop vehicle and push the lock lever for-
ward towards the red ‘locked’ symbol (Ref Fig. 10 on page 3-9).
To disengage the differential lock, stop the vehicle and push the differ-
ential lock lever backward towards the green ‘unlocked’ symbol. After
unlocking, the differential may remain locked if driving is resumed in a
straight line. This is a normal occurrence caused by pressure remain-
ing against the gears and not allowing the locking mechanism to
release. To avoid this, simply turn the vehicle as acceleration begins or
accelerate in reverse.
LOAD BED
To reduce the possibility of
severe injury or death, read,
understand and follow the
Danger label affixed to the front of the load bed.
The electric lift bed is the standard bed for the ST480.
A load bed warning label is affixed to the front of the bed. See Appendix
A. For safe operation of the vehicle, this label must be understood. See
the load bed warning label for maximum load. The load must be posi-
tioned in the bed as far forward as possible, distributed in such a way
that its center of gravity must not be higher than height noted on label,
and secured. Failure to follow these instructions may result in severe
injury, damage the vehicle and/or cause the vehicle to tip over. Use
extra care when operating loaded vehicle.
Do not permit any one to ride in the bed.
Do not drive the vehicle with the load bed raised or with the tailgate
unsupported.
When using the electric lift on the ST 480, be sure to avoid backing up
to the edge of a drop off, such as a loading dock or ravine. A misjudg-
! !
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