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shock. Charger is equipped with an electric cord
having an equipment-grounding conductor and
grounding plug. The plug must be plugged into an
outlet that is properly installed and grounded in ac-
cordance with all local codes and ordinances.
DANGER
Never alter the AC cord or plug provided. If it
will not fit outlet, have proper outlet installed by a
qualified electrician. Improper connection can result
in a risk of an electric shock.
D. BATTERY CHARGER CONNECTION
PRECAUTIONS
CAUTION
Connect and disconnect the DC output plug (or
clips) only when the AC cord is disconnected from
the electric outlet. Never allow clips to touch each
other.
1. To charge the unit, plug the charger into the 110 volt
wall outlet. The charger is pre-wired to the battery.
2. Disconnect the charger from the 110 volt wall out-
let
once the indicators read fully charged.
S E C T I O N 6
MAINTENANCE
Generally, the DBP Series DC Electric Scissor Lifts
require very little maintenance. Reasonable care will
result in excellent trouble-free performance.
WARNING!
Never go under or service lift with a load on the table
or with the scissor mechanism unblocked. Always
service the lift in a down position.
ROUTINE MAINTENANCE:
A.
All routine maintenance should be performed monthly
and can be performed on the standard DBP Series DC
Electric Scissor Lifts in a lowered height position. Be-
fore performing any maintenance, disconnect the bat-
tery. Then raise the top over its center position, secure
in place and perform the routine listed (1 through 7).
PRESTO OWNER'S MANUAL
Wood blocks should be cut to the proper length
and be of a hard wood variety. Check for defects
or damage to the blocks prior to each usage. These
blocks are to be used only if the maintenance chock
has been damaged or misplaced.
1). Check oil level. Add oil if necessary.
2). Check rollers for signs of wear. Replace if dam-
aged.
3). Check snap ring and shield. Replace if damaged.
4). Check hydraulic lines for damage or leaking. Replace
if damaged.
5). Check for oil spots on the floor. Trace leaks to the
proper fitting and tighten.
6). Check wiring for damage. Replace immediately if
any sign of wear is evident.
7). Bearings on these lifts are permanently lubricated
and require no servicing. Look for any signs of
wear.
TROUBLESHOOTING MAINTENANCE:
B.
LIFT WILL NOT MOVE
1. No operational noises:
a). Check power switch.
b). Check voltage at motor -- motor may have
failed.
2. Operational noises:
a). Lift may be overloaded or jammed. Check load
weight and obstructions.
b). Oil shortage -- reservoir low or oil line failure.
Repair or replace.
3. Motor overheats:
a). Excessive cycle rate (15 per hour max.).
b). Low voltage -- check voltage at motor.
c). Oil starvation -- check filter in reservoir.
LIFT OPERATING SLOWLY
1. Up cycle:
a). Oil starvation -- check filter in reservoir.
b). Oil viscosity -- oil is too heavy or too thin.
c). Air in cylinder -- cycle lift with no load 2 times
and hold down button for 20 seconds after
bottoming out on each cycle.
2. Down cycle: (single acting cylinders)
Page 7
DBP SERIES SCISSOR LIFTS
WARNING!
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