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PREVOST H3-41 - Page 79

PREVOST H3-41
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OTHER FEATURES
WHEELCHAIR LIFT MANUAL OPERATION 23265
To manually raise the platform
Remove the pump handle from inside the cover
of the lift mechanism box.
Insert the handle onto manual backup pump
release valve. Make sure the notches at the end
of the handle are fully engaged by the release
valve pin. Twist the handle CLOCKWISE until
lightly-snug and remove.
Caution: During manual raising of the lift, do
not raise the platform more than 1-1/2 inches
above the vehicle floor level. Any excessive
travel will make it difficult to enter the platform
and/or damage the lift bridge plate actuator. The
outer edge of the bridge plate must rest squarely
on the vehicle floor.
WHEELCHAIR LIFT MANUAL HYDRAULIC PUMP 23268
Insert handle extension into manual backup
pump handle socket and pump to raise the
platform to the vehicle floor level.
The lift passenger and attendant must follow the
instructions to ENTER or EXIT the vehicle, as
previously described.
To manually lower the platform
Caution: Do not turn pump release valve more
than ¼-turn COUNTER-CLOCKWISE. The valve
is totally removable which will disable all
automatic and manual UP/DOWN functions.
Insert the pump handle extension onto manual
backup pump release valve. Make sure the
notches at the end of the handle are fully
engaged by the release valve pin. Slowly twist
the handle ¼-turn COUTER-CLOKWISE until
the platform begins to lower.
PLATFORM MANUAL RAISING 23267
Allow the platform to reach ground level.
Insert the pump handle over the manual backup
release valve. Twist the handle CLOCKWISE
until lightly-snug and remove.
Using the rollstop manual control knob and one
hand on the rollstop, OPEN the rollstop.
The attendant and lift passenger should follow
the instructions to ENTER or EXIT the vehicle,
as described previously.
To manually stow the platform
Raise or lower the platform to the deploy/stow
position, the platform frame must be parallel to
the side of the lift enclosure. If the exact position
cannot be obtained, slightly low is preferred to
slightly high.
Using the rollstop manual control knob and one
hand one the rollstop, close the rollstop until it
latches.
Use one person on each side of the lift to
prevent mechanical binding.
With fingers up and palms forward, push the
platform forcefully to start the lift moving inward.
As the lift begins to move inward, maintain a
constant pushing motion until the lift comes to
rest completely inside the lift enclosure.
72

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