Autoquip VERTICAL RAM LIFTS - DUAL RAM - Manual (Page 7)

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CAUTION!
Do not continue to depress the “UP” button on the controller if the lift is not
raising or if it has reached the fully raised position. To do so may result in
permanent damage to the motor or pump.
CAUTION!
Never run the pump for more than a couple of seconds without pumping oil.
This applies to low oil conditions, improper motor rotation, running the
pump against the relief pressure after the lift is fully raised against the
physical stops, running overloaded beyond capacity, or running at reduced
speed because of pinched or obstructed hydraulic lines.
CAUTION!
Do not operate the power unit on relief for more than a few seconds. When
on relief, the valve will make a squealing sound.
CAUTION!
Precautions should be taken to prevent the introduction of contaminates
such as water, dirt or other foreign material into the system through open
fittings, pipes or disassembled components. Contamination will ruin the
hydraulic system.
CAUTION!
Use only approved oils in the lift. See “Oil Requirements” in the
Maintenance section.
DANGERS, WARNINGS & CAUTIONS