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PRESTO P4 LEVEL LOADER OWNER’S MANUAL 7
on the relief valve, you may overwork
the unit. This can cause the unit to
fail suddenly, and you may be hurt.
4. Clean up any spilled hydraulic fluid. Spilled
hydraulic oil is slippery, and may present a
fire hazard. If you clean up any spilled fluid,
you will be able to tell right away if the unit
begins to leak.
5. Figure 1 shows the safety labels on this
unit. Check to be sure all of the labels are in
place.
OPERATING INSTRUCTIONS
Safety Instructions
DANGER!
The unit uses a power supply of 115
Volts AC. This voltage can kill you.
DON’T WORK WITH THE
ELECTRICAL PARTS UNLESS YOU
ARE A QUALIFIED ELECTRICIAN!
WARNING!
As you operate this lift, follow these
rules:
• Do not put your hands or feet under
the lift platform.
• Do not work under the lift platform
without installing the safety pins.
(See Fig. 6 and the section on
“Maintenance.”)
• Do not stand, sit, or ride on the lift.
WARNING!
This unit includes a photo eye toe
guard. See Fig. 6. If something blocks
the light beam, the unit will stop
quickly. The control system will stop
the motor and close the down valve,
preventing the platform of the unit
from moving down. This is designed
to prevent the unit from lowering