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 floor 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.
BRAKE:
Ensure the brake works 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 assembly.
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 name-
plate 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!
PRESTO OWNER’S MANUAL
Page 14
POWER STAK
