PRESTO OWNER’S MANUAL
Page 6
DBP SERIES SCISSOR LIFTS
forces the piston forward and the scissor legs to
separate and raise the platform, releasing the up
button will stop the lift. A check valve between the
pump and piston holds the table in position. De-
pressing and holding the down switch will energize
a solenoid, that allows the oil from the cylinder to
return to the reservoir through a preset flow con
-
trol. This allows the lift to lower smoothly and at
a controlled speed.
CAUTION!
Do not attempt to change the setting on the pres-
sure relief valve. Do not maintain the up or down
button energized if the lift fails to move or after
it has reached its up or down limits. This will
cause damage to the pump and controls.
B. OPERATING INSTRUCTIONS:
In order to operate the lift follow these operating pro-
cedures.
Read and understand all the instructions before operat-
ing. If the lift has modifications or accessories, read and
understand their functions.
1). Load the lift correctly.
Portable lifts:
Place the load on the center of the table
top. The load center of gravity must be within 6''
of the lift table top center and equally distributed
over 80% of the table.
If the load is unstable or may become unstable, fasten
it into position.
2). Operate the lift.
a). To raise the lift, press and hold the up button.
b). To lower the lift, press and hold the down
button.
c). Release the button to stop the lift.
3). Wait until the lift has come to a complete stop before
unloading the lift.
4). Stand clear of lift when operating it in order to avoid
injury.
WARNING!
a).
Do not stand, sit or climb onto the lift.
b). Do not load or unload a moving lift.
c). If the lift fails to move or exhibits strange move-
ments or sound, stop immediately. Do not operate
the lift until it has been checked and repaired.
d). Obey all warning labels.
e). Do not exceed maximum rated load.
f). Maintain load, center of gravity, within 6'' of the
center of the portable lift.
S E C T I O N 5
BATTERY MAINTENANCE
A. PREPARING TO CHARGE A BATTERY
1. Be sure the area around the stacker and the battery
is well ventilated while battery is being charged.
2. The battery terminals, connections and wiring
connections should be clean and free of corrosion.
When cleaning any of these components wear a face
shield or other suitable protective eyewear.
B. LOCATING THE CHARGER
1. Locate charger as far away from battery as the cables
permit.
2. Do not operate charger in a closed area or restrict
ventilation in any way.
C. PRECAUTIONS FOR GROUNDING
AND AC POWER CORD CONNECTION
Charger should be grounded to reduce risk of electric
