Presto Lifts Power Stak PPS2200-62NAS, Installation, Operation And Service Manual, Page: 12 / 60

PRESTO OWNER’S MANUAL
Page 12
POWER STAK
Fault
1. Red light blinks 3 times in 5 seconds: The output
between charger is faulty, loose, or bad connection
2. Red light blinks 5 times in 5 seconds: The tempera-
ture is too hot for the charger to operate.
3. Building power is not compatible; too low or too
high. +- 10% is the general rule.
Charge Lamp
1. Red: Charger can charge normally. The battery is
less than 70%
2. Orange: Battery is between 70% and 100%
charged.
3. Green: BAttery is at 100%. Fully charged.
4. No light: The charger can not charge the battery.
Voltage of the battery may be too low to cause the char-
ger to start. It must be at 9 volts to initiate charge.
S E C T I O N 6
MAINTENANCE
Operation of Presto Power Stak is very simple — as is
their construction. They require very little maintenance.
Reasonable care will result in excellent trouble-free
performance. The Power Stak is designed for one-man
operation and ease of performance.
•
Grease fl oor wheels and casters at least once
a month
•
Use only Hydraulic Oil AW32 or Dextron III
in the hydraulic system.
•
Do not overload your lift.
•
Check brakes, steering mechanisms and con-
trols before each use.
A.
WEEKLY OPERATIONS
MAINTENANCE CHECKS:
DAMAGE: Check for bent, dented, worn or broken
parts.
LIFT SYSTEM: Check to assure that there is no bind-
ing or excessive play in the forks. Check for quiet and
smooth operation of the lift cylinder. Check all moving
parts and linkage.
LEAKS: Check hydraulic system for leaks and hydru-
alic oil level.
WHEELS AND CASTERS: Check for wear and that
they are turning smoothly.
LIFT CHAINS: Check to see that they are in place and
not loose.
FORKS: Check that they are not bent or cracked.
BRAKES: Ensure brakes work properly.
CABLES; WIRES: Check that there are no loose cables
or wires.
LABELS: Ensure all precautionary labels and guards
are in place.
B.
MONTHLY OPERATIONS
MAINTENANCE CHECKS:
1. Battery (maintenance free)
A. Clean terminals.
B. Clean battery compartment area if there are
signs of corrosion.
2. Hydraulic System
A. Clean and inspect hydraulic cylinder.
B. Lubricate chain with a rust inhibitive lubricant
(light machine oil).
C. Check chain tension. It should be even on both
chains. The chain should be tight enough so
that it does not come off of the roller assem-
bly.
3. Frame Assembly
A. Clean and lubricate all roller bearings, cam
followers and all moving parts.
B. Clean and inspect all welds.
C. Check wheels for wear and damage.
D. Inspect nameplate for legibility. Place the serial
and model number shown on the nameplate on
the cover of the manual for future reference.
4. Electrical
A. Check batteries, motors, controllers, limit
switches, electrical conductors and connec-
tions.
CAUTION:
DO NOT USE LIFT IF IT IS NOT
OPERATING PROPERLY,
OR APPEARS UNSAFE IN ANY WAY!