Page 38
Open
(Down)
Close
(Up/Stop)
Manual Operating Instructions
Refer to photos and illustration
of release valve on page 37.
To Unfold Platform (Out):
Using hand pump handle (Photo B):
1. Close hand pump valve (place
slotted end of pump handle onto
backup pump release valve and
turn
clockwise
).
2. Insert handle in pump and stroke
until platform folds fully (stops).
See Photo E on page 39.
3. Open hand pump valve (turn
counterclockwise
) until platform
reaches
fl
oor level.
Open 1/2
turn only.
4. Close hand pump valve (turn
clockwise
).
Note:
Valve must be tight, but
do
not
overtighten.
B
C
Hand Pump Handle
Down (To Lower):
Place slotted end of pump handle
onto back-up pump release valve
and turn
counterclockwise
(open
—
1/2 turn only
) until the platform
reaches ground level and the outer
barrier unfolds.