Presto Power Stak PPS2200-62NFO-21 Setup guide

Power Stak
PPS2200-62NFO-21
Installation, Operation
and Service Manual
Model Number ___________________
Serial # _________________________
Date Placed in Service _____________
IMPORTANT: READ CAREFULLY
BEFORE INSTALLING OR OPERATING LIFT
JUNE 2015
This manual covers PowerStak units with frame
numbers starting with GC stamped into the mast
and shipped March 2014 and after.

PRESTO OWNER’S MANUAL Page 2 POWER STAK
This manual was current at the time of printing. To obtain the latest, most updated version, please contact the
Customer Service Department or go to our website: www.PrestoLifts.com -- you will nd a complete list of cur-
rent Owner’s Manuals to print.
Presto Lifts Limited Power Stacker Warranty Policy
Presto Lifts warrants the Power Stacker against defects on the mast, fork carriage, chains, pumps,
DC motors, controllers, cylinders and wiring harnesses from faulty material and workmanship for a
period of one (1) year from the date of invoice.
All wear items such as batteries, wheels, motor brushes, seals, bearings, hydraulic hoses, all switches,
battery chargers and forks have a limited warranty against defects in faulty material and workmanship
for a ninety (90) day period from the date of invoice and 30 day limited warranty on labor. Please
note that prior authorization from Presto Lifts is required on all warranty work.
There are no implied warranties of any kind, more specically; there are no warranties of merchant-
ability or tness for any particular purpose. Presto Lifts’ sole warranty shall be as set forth in this
limited warranty. Presto Lifts will elect to repair or replace a defective component without charge,
if any components should become defective within the limited warranty period. Proof of purchase is
required for warranty. The charge for shipping the defective component is the responsibility of the
buyer and must be accompanied with an RGA number. The shipping charge to return the component
to the buyer is the responsibility of Presto Lifts, Inc.
This limited warranty does not cover labor expense for removal or reinstallation of components
after thirty days. This limited warranty shall not cover, among other things: damages resulting
from foreign matter or water, failure to provide reasonable and necessary maintenance, and if
applicable, use of product while charger is plugged into an AC outlet, or failure to follow operat-
ing instructions. The limited warranty is not valid for damage resulting from negligence, accident,
unreasonable use, abuse or misuse, exceeding data plate capacities or altering the product without
Presto Lifts authorization.
Presto Lifts expressly disclaims and excludes any liability for consequential, incidental, indirect
or punitive damages or nancial loss to people or property resulting from any breach of warranty or
the operation or failure of this product.
Presto Lifts makes no representation that this product complies with local, state, or federal safety/
product standards codes. Should this product fail to comply in any way with those codes, it shall
not be considered a defect of materials or workmanship. Presto Lifts shall not be held liable for any
damages resulting from noncompliance. It is the dealer’s responsibility to exercise this limited war-
ranty. This limited warranty is provided to the original purchaser (dened as the original end user)
and is nontransferable. This constitutes the complete and nal agreement involving Presto Lifts and
limited warranty obligations for products.

PRESTO OWNER’S MANUAL Page 3 POWER STAK
TABLE OF CONTENTS
S E C T I O N 1:
Limited Warranty ................................................................................................................................................2
Introduction.........................................................................................................................................................4
Responsibility of Owners and Users...................................................................................................................5
S E C T I O N 2:
Certied Operator Training.................................................................................................................................6
Safety ..................................................................................................................................................................6
S E C T I O N 3:
Installation...........................................................................................................................................................8
A. Inspection ....................................................................................................................................................8
B. Removing from Pallet ..................................................................................................................................8
C. Preparation for Use.......................................................................................................................................8
S E C T I O N 4:
Operation.............................................................................................................................................................9
A. Operating Instructions...................................................................................................................................9
B. Daily Operations Maintenance Checks.......................................................................................................10
Suggested Daily Operator Checklist.................................................................................................................11
S E C T I O N 5:
Battery Maintenance .........................................................................................................................................12
A. Preparing to Charge a Battery ....................................................................................................................12
B Charging the battery....................................................................................................................................12
C. Warnings and Battery Info...........................................................................................................................12
D. Battery maintenance....................................................................................................................................12
E. Charger Operations......................................................................................................................................12
S E C T I O N 6:
Maintenance......................................................................................................................................................13
A. Weekly Operations Maintenance Checks....................................................................................................13
B. Monthly Operations Maintenance Checks .................................................................................................13
S E C T I O N 7:
Troubleshooting ................................................................................................................................................14
ORDERING REPLACEMENT PARTS ...........................................................................................................................28
RESTOCKING POLICY..................................................................................................................................................29
RETURN MATERIALS AUTHORIZATION POLICY...................................................................................................30
LIST OF FIGURES:
Figure 1: Operational Buttons......................................................................................................... 9
Figure 2: Stacker Body Components............................................................................................ 15
Figure 3: Control Pod ................................................................................................................... 16
Figure 4: Steering Component ..................................................................................................... 17
Figure 5: Drive Unit....................................................................................................................... 18
Figure 6: Carriage Assembly ........................................................................................................ 19
Figure 7: Mast Components ......................................................................................................... 20
Figure 8: Power Unit..................................................................................................................... 21
Figure 9: Hydraulic System .......................................................................................................... 22
Figure 10: Hydraulic Schematic.................................................................................................... 23
Figure 11: Control Panel............................................................................................................... 24
Figure 12a & b: Electric Schematic Diagram........................................................................... 25-26
Figure 13: Battery Connection...................................................................................................... 27

PRESTO OWNER’S MANUAL Page 4 POWER STAK
S E C T I O N 1
INTRODUCTION
This manual attempts to provide all of the information
necessary for the safe and proper installation, operation
and maintenance of Presto Lifts Inc. battery operated,
Power Stak. It is important that all personnel involved
with the installation, maintenance or operator of the
stacker read this manual. Additional manuals are avail-
able upon request or at www.PrestoLifts.com.
Each Presto stacker is equipped with nameplate, serial
number and model identications. Please refer to these
numbers when ordering parts or requesting further
information.
The Presto stackers are designed for lifting, lower-
ing and positioning a wide variety of loads. WHERE
UNIQUE SITUATIONS ARISE, WHICH ARE NOT
COVERED IN THIS MANUAL, CALL PRESTO
LIFTS FOR FURTHER INSTRUCTIONS.
The battery operated stackers are designed for in-
plant/non-hazardous locations only. They can be used
in a 8' or larger aisle. These units are not for personnel
lifting.
This machine is designed for powered
travel and should not be manually moved
by applying force to the Control Pod
Handles
The Control Pod and steering arm should
only be moved side to side when the
machine is under power
The Control Pod and steering arm should
be lowered to the drive position and power,
Forward or Reverse, is engaged by moving
the thumb wheel in the direction of desired
travel then the steering arm can be moved
side to side for directional steering.
Pushing or pulling on the Control Pod
Handles when the unit is not powered can
lead to damage and/or breakage

PRESTO OWNER’S MANUAL Page 5 POWER STAK
Responsibility of Owners and Users
Inspection and Maintenance
The device shall be inspected and maintained in proper working order in accordance with Presto’s
owner’s manual.
Removal from Service
Any device not in safe operating condition such as, but not limited to, excessive leakage, missing
rollers, pins, or fasteners, any bent or cracked structural members, cut or frayed electric, hydraulic,
or pneumatic lines, damaged or malfunctioning controls or safety devices, etc. shall be removed from
service until it is repaired to the original manufacturer’s standards.
Repairs
All repairs shall be made by qualied personnel in conformance with Presto’s instructions.
Operators
Only trained personnel and authorized personnel shall be permitted to operate PowerStak.
Before Operation
Before using the device, the operator shall have:
• Read and/or had explained, and understood, the manufacturer’s operating instructions and safety
rules.
• Inspected the device for proper operation and condition. Any suspect item shall be carefully ex-
amined and a determination made by a qualied person as to whether it constitutes a hazard. All
items not in conformance with Presto’s specication shall be corrected before further use of the
PowerStak.
During Operation
The device shall only be used in accordance with this owner’s manual.
• Do not overload.
• Ensure that all safety devices are operational and in place.
Modications or Alterations
Modications or alterations to any Presto industrial positioning equipment shall be made only with
written permission from Presto.

PRESTO OWNER’S MANUAL Page 6 POWER STAK
S E C T I O N 2
CERTIFIED OPERATOR TRAINING
You must be trained and certied to operate this powered stacker. Federal law states that only properly
trained operators are permitted to operate a powered industrial stacker and that your employer must train
you and certify that you are qualied. (OSHA 1910.178 29QFR-7-1-06 Edition)
Presto lifts does not offer operator training. Operator training programs may be offered by your local Presto
Lifts dealer or obtained online. Enter, "powered industrial truck operator training" into a search engine.
SAFETY ALERT SYMBOLS AND SIGNAL WORDS
The safety of all persons operating, maintaining, repairing, or in the vicinity of this equipment is of paramount
concern. This is a powerful machine with moving parts, and is capable of causing personal injury if proper precautions
are not taken. Therefore, throughout this manual, certain hazards have been identied which may occur in the use
of the machine, and there are appropriate instructions or precautions which should be taken to avoid these hazards.
In some cases, there are consequences which may occur if instructions or precautions are not followed. Below are
the symbols and signal words along with their denitions referenced from ANSI Z535.4 - Product Safety Signs
and Labels.
Safety Alert Symbols
These are the safety alert symbols.. They are used to alert you to potential physical injury haz-
ards. Obey all safety messages that follow this symbol to avoid possible injury or death.
For use with DANGER signal word
(Red Background)
For use with WARNING signal word
(Orange Background)
For use with CAUTION signal word
(Yellow Background)
Signal Words
The meaning of different signal words as dened by ANSI Standard Z535.4 indicates the relative
seriousness of the hazardous situation.
DANGER indicates a hazardous situation which, if not avoided,
will result in death or serious injury.
WARNING indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
CAUTION, used with the safety alert symbol, indicates a haz-
ardous situation which, if not avoided, could result in minor or
moderate injury.
NOTICE is used to address practices not related to personal
injury.
(Red Background)
(Orange Background)
(Yellow Background)
(Blue Background)
SAFETY
INSTRUCTIONS
SAFETY INSTRUCTIONS (or equivalent) signs indicate safety-
related instructions or procedures.
(Green Background)

PRESTO OWNER’S MANUAL Page 7 POWER STAK
The battery operated stackers are very powerful lifts
capable of doing large amounts of work.
DO NOT OPERATE THESE LIFTS WITHOUT
CAREFULLY READING THIS MANUAL. In order
to provide for the safe operation of these stackers, Presto
Lifts Inc. has identied certain hazards that may oc-
cur during the maintenance and use of these lifts. For
safety reasons these units are designed to be serviced
or repaired in the fully lowered position. If performed
properly, this will greatly reduce the possibility of injury.
WARNING!
When servicing the unit:
1. Key should be in "OFF" position.
2. E-stop should be depressed.
3. Disconnect the batteries at the terminals.
• Do not perform any repair work on lifts if
there is a load on the forks or platform.
• Do not perform any repair work if the forks
or platform is in the raised position.
• All personnel must stand clear of the lift
while in motion.
• Do not put hands or feet under the forks or
platform.
• Do not stand underneath the forks or plat-
form.
• Do not stand in front of the stacker while in
motion.
• Do not stand, sit or climb on the lift.
• Do not use the lift on soft, uneven or unstable
surfaces.
• Do not exceed the load center or capacity.
WARNING!
You or others around you can be seriously injured
or even killed if you don't use this stacker correctly.
Read and obey all warnings and instructions in this
manual and on the stacker. It is your responsibil-
ity before starting work to make sure it is in good
working order.
Always be alert to the area around you and watch where
you are walking. Be careful that you don't get pinned
or crushed between the stacker and a xed object such
as a wall or post.
• Watch your hands and feet. A foot or hand
caught between the stacker and a xed object will
be crushed or even cut off.
• If traveling forks rst, keep both hands on
the control handle and be careful when changing
direction of travel. Keep your feet clear of the
stacker.
• Keep the stacker under control at all times.
Operate at a speed that allows you to stop safely.
Be even more careful on slippery or uneven sur-
faces. Do not run over objects on the oor.
• Perform all stacker movements smoothly and
at a speed that will give you time to react if an
emergency occurs.
Tipovers and falls are very serious accidents; you can
be crushed or even killed. To prevent injury, know
where you are at all times and follow the rules of safe
stacker operation.
• Be careful when working around docks,
dockboards and trailers. Stay away from the
edge of docks and ramps. Check to make sure the
wheels of truck or trailers are chocked.
• Travel with the load or forks close to the
ground. Watch for overhead obstructions. Per-
form all stacker movements smoothly and at a
speed that will give you time to react in an emer-
gency.
• Keep your hands and feet away from all mov-
ing parts such as masts, chains, forks or wheels.
• Never stand on or under the forks, or allow
anyone else to stand on or under them. Never ride
on the stacker or allow anyone else to ride. There
is no safe place to sit or stand.
• Before you leave your stacker, be sure to
lower the forks to the oor. Shut the stacker off
with the key.

PRESTO OWNER’S MANUAL Page 8 POWER STAK
WARNINGS
DO NOT use this stacker until you have been trained
and authorized to do so.
DO NOT operate until you have read all warnings and
instructions.
DO NOT exceed load center or load weight capacities
(check capacity plate).
DO NOT operate until you have checked the condi-
tions of the stacker: lift systems, forks, chains, and
cables.
DO NOT use if any part is damaged, worn or not work-
ing properly.
DO NOT use on ramps or inclines. Only smooth level
surfaces.
DO NOT use for lifting or carrying people.
DO NOT handle unbalanced, unstable or loosely
stacked loads.
DO NOT travel with forks or platform in an elevated
position.
DO NOT handle tall, unsecured or unstable loads that
could fall.
DO NOT allow people to stand or pass under forks or
platform with or without load.
DO NOT operate when parts of anyone’s body may be
close to mast structure or any moving parts.
DO NOT drop loads on platform or forks.
DO NOT alter or modify this stacker in any way.
S E C T I O N 3
INSTALLATION
A. INSPECTION:
Upon receipt of the stacker, inspect the equipment com-
pletely to determine if there is any shipping damage,
and that the lift is complete. Presto tests and inspects
every piece of equipment prior to shipment. If damage
is apparent, a freight claim must be led with the freight
company. Do not use the stacker if there appears to be
any damage. With the stacker in a lowered position,
check the following:
• Check for signs of damage especially to the
back cabinet that houses the battery, electrical/hy-
draulic power pack.
• Check all electrical and hydraulic connec-
tions for tightness.
• Remove back panel.
1. Turn key switch to "OFF" position.
2. Push in E-stop and unscrew the red knob,
3. Lift off back panel. There is enough wire
to the key switch to allow the panel to be set
aside.
• Inspect for any bent or damaged parts.
B. REMOVING FROM PALLET
PowerStak is shipped out on a pallet or skid. Prior to
removing the unit from the pallet or skid, remove all tie
down straps and packaging. Visually inspect the unit
as closely as possible.
With an overhead hoist or forklift, carefully pick up the
unit taking into consideration the center of gravity of the
unit. If you choose to pick the unit with an overhead
hoist, use a nylon sling and hoist with a minimum of
2,000-lb. capacity. The nylon sling will not do any dam-
age to the steel construction of stacker. Pick the unit
up. On conventional masts use the top crossmember of
the lift. On narrow masts the cover must be removed
to access lifting equipment. Be careful of the stacker
swinging once fully lifted off the pallet or skid. Have
all personnel completely cleared from the area.
Pick the unit up approximately six inches above the
pallet or skid. Once raised, remove the pallet or skid
from below the lift. Do not move the lift around in the
air. Lower the stacker on the ground.
C. PREPARATION FOR USE
PowerStak left our factory in new condition. It has been
inspected and weight tested to assure all performance
standards have been met.
Visually inspect the stacker for damage. Check for at-
tachments and accessories that may have been ordered.
If there is any damage or missing parts, report it to your
carrier and your Presto dealer immediately.
Remove all metal/plastic bands, cardboard and other
material used for shipping purposes.
Check to see if chains are in place, and that the lift sys-
tem is in working order. Inspect for oil leaks.
Connect battery cable. Check cables and wires on bat-
tery charger as well as battery.
Note: The travel speed is preset at the factory. For
travel speed adjustment, please contact customer
service at Presto Lifts 1-800-343-9322

PRESTO OWNER’S MANUAL Page 9 POWER STAK
the operator, the stacker runs in the reverse direction.
Always make sure the stacker clears any obstruction
when traveling, and that your path of travel is clear of
people. Never carry loads above the loading capacity of
the stacker. It is suggested that when traveling without
a load, the forks be in the lowered position. The speed
of the stacker is increased by the degree of the rotation
in either direction; it functions like a throttle. When you
release your hand from the buttery control, it automati-
cally will resume to the neutral position and the speed
of the stacker will slow down, and come to a stop.
Turtle Speed Travel:
When the buttery control is engaged forward (toward
the forks) or reverse (toward the operator if the opera-
tor simultaneously engages the turtle speed button the
forward and/or reverse speed is limited to 50% of full
speed or turtle speed.
The operator can engage the buttery forward with the
right hand and engage the turtle speed button with the
left hand.
The operator can engage the buttery forward with the
left hand and engage the turtle speed button with the
right hand.
The reverse operation is also controlled with either hand.
The turtle speed is maintained only when the turtle speed
button is engaged. When the turtle speed button is not
engaged the unit will operate at full speed. The turtle
speed button is a maintained contact operation.
Figure 1: Operational buttons
S E C T I O N 4
OPERATION
A. OPERATING INSTRUCTIONS:
To Raise and Lower:
There are two buttons located on both sides of the
handle. The inside one is for lowering the forks. The
outside one is for raising the forks. When operating,
always make sure the load being lifted is within the
loading capacity of your stacker and the load has been
stacked safely on the pallet. Also, make sure that the
length of the forks corresponds to the length of the pal-
let. In this way, the load rollers will place themselves
in the opening at the end of the pallet, so that when you
raise the forks, you will not break the bottom boards
of the pallet. Always make sure that when entering the
pallet that the forks are in the fully lowered position. Be
careful when lifting pallets that are too short or too long
for the stacker. It might destroy your pallet by breaking
the bottom boards, and if the forks project through the
end of the pallet, the tips of fork may go into the next
pallet that is behind the pallet that you are lifting, which
may bend the tips of forks and overload the capacity
of the stacker.
Travel Function:
To travel, rotate the buttery controls throttle on the up-
per part of the handle. When rotating the buttery con-
trol towards the forks, the stacker runs forwards in the
forks rst direction. When rotating the buttery towards
Turtle Speed
Control Pod Bottom
Control Pod Top

PRESTO OWNER’S MANUAL Page 10 POWER STAK
Electric Brake:
Your stacker is equipped with a magnetic brake. The
brake is applied when the handle is in its vertical po-
sition between 10 – 15 degrees and lowered position
between 80 – 90 degrees. The brake could be released
when you pull down the handle at any point between
15 – 80 degrees. Always make sure the brake is re-
leased before operating the stacker. When the stacker
is running, you could brake the stacker by raising the
handle to its vertical position or lowering the handle
to its lowest position. Or, to turn the buttery controls
in the opposite direction, the change in direction of the
motor will slow down, stop, and reverse the direction
of stacker. When parked, the handle will spring back
to the full vertical position with the brake applied and
the forks in lowered position.
Reversing Safety:
At the end of the handle there is a large, red reversing
bar (belly button switch) that is designed to protect
the operator from injury. When the operator runs the
stacker backwards, and the end of the handle comes
in contact with the operator’s body, the stacker will
automatically reverse direction and travel away from
the operator. When the reversing safety bar comes in
contact with your body during operation, immediately
release your hands from the buttery control and put the
handle up to its vertical position or down to its lowest
position and the brake is on. The reversing safety bar
will automatically resume to its original position after
being activated.
Horn:
As standard equipment, a horn that is located on the
top of the handle.
AUTHORIZED OPERATORS SHOULD READ
AND UNDERSTAND ALL INSTRUCTIONS,
PRECAUTIONS AND WARNINGS.
IMPROPER USE OF THIS LIFT TRUCK
COULD RESULT IN INJURY AND/OR
DAMAGE TO LOAD AND EQUIPMENT.
• Inspect the lift for damaged or worn parts.
Do not use if not in safe operating condition.
• Use lift on hard level surfaces only.
• Make sure load is evenly distributed, not
loose or unstable, and is as far back on platform
or forks as possible. Do not pick up loads on tips
or forks or edge of platform.
• For fork models, adjust forks to the maxi-
mumpractical width. Pick up loads on both
forks.
• Do not overload. Check load center and load
weight capacities on the nameplate.
• Make sure travel and work area is clear of
obstructions.
• Check overhead clearance before lifting
loads or transporting.
B. DAILY OPERATIONS
MAINTENANCE CHECKS:
1. Battery
A. Check for corroded and loose terminals.
A white powder substance will be present if
there is any existing corrosion.
B. Visually inspect for any cracks or damage
to the casing.
C. Check for loose battery tie-downs.
2. Charger
A. Inspect wire connections.
B. Check power cord for nicks/damage.
C. Check power charger for proper mounting.
3. Hydraulic System
D. Inspect pump and cylinder for oil leaks.
E. Check hydraulic oil level.
F. Check hydraulic ttings and hoses.
G. Check ram for nicks/damage.
4. Frame Assembly
A. Check chain roller assembly connections.
B. Check for any worn or damaged parts.

PRESTO OWNER’S MANUAL Page 11 POWER STAK
DAILY OPERATOR CHECK LIST
CHARGE CONDITION/BATTERY CHECK LIST
1. Check Battery Discharge Indicator (Fuel Gage and Hour Meter) – Be sure unit is
showing proper Charge Level before operating unit
2. Check to be sure Charging Cord is Unplugged and properly stowed before operat-
ing unit
3. Inspect Battery Wire Connections – All connections should be tight with No Corro-
sion (white powder) showing at the Battery Terminals
4. Inspect Battery Case – There should be no cracks or visible damage to the Battery
Case
WALK AROUND INSPECTION
1. Check general condition of Stacker (loose or broken parts, oil, dangling wires, dents,
cracked covers etc.)
2. Check metal frame, mast, carriage and font load supports for cracked welds, worn or
at rollers, loose or disconnected chains, loose pins, missing snap rings, and loose or
missing hardware – bolts, nuts washers etc.
3. Check for evidence of hydraulic leaks
4. Make sure all precautionary labeling is in place and legible
FUNCTIONAL INSPECTION
1. Check Drive – Forward and Reverse Function
2. Check Lift – Up and Down Function
3. Check Function for Belly Button Reverse
4. Check Horn Function
5. Check Brake Function
OPERATOR ID DATE
DO NOT USE OR OPERATE STACKER IF ANY FUNCTION IS NOT
OPERATING PROPERLY OR IF STACKER APPEARS UNSAFE IN ANYWAY
REPORT CONCERNS TO SUPERVISOR IMMEDIATELY!

PRESTO OWNER’S MANUAL Page 12 POWER STAK
S E C T I O N 5
BATTERY MAINTENANCE
A. PREPARING TO CHARGE A BATTERY
1. Always turn off E-stop and key switch before work-
ing with the batteries.
2. Be sure the area around the stacker and the battery
is well ventilated while battery is being charged.
3. The battery terminals, connections and wiring
connections should be clean and free of corrosion.
When cleaning any of these components wear a face
shield or other suitable protective eyewear.
B. BATTERY CHARGING
Charging must be performed with the charger that is
provided with or prewired into the machine. During
charging, the temperature in the battery must not exceed
120 F. Charging simultaneously with truck operation
is not recommended. Plug the charger into a 115 volt
outlet. Charge until the battery gauge indicator lights
show fully charged (approximately 6-8 hours).
C. WARNINGS AND BATTERY INFORMA-
TION
Avoid use of open ame near batteries. At temperatures
around freezing point, battery capacity is reduced by
30%. The battery terminals, connections and wiring
should be clean and free of corrosion. When cleaning
any of these components, wear a face shield or other
suitable protective eyewear. Read, understand, and
folow all battery and battery manufacturer's specic
precautions while working with and/or charging bat-
teries.
D. BATTERY MAINTENANCE
To measure the voltage, use a digital voltmeter (DC) on
the battery poles. The truck must not have been in use
for the previous 30 minutes.
DANGER
Never alter the AC cord or plug provided. If it will
not t outlet, have proper outlet installed by a quali-
ed electrician. Improper connection can result in a
risk of an electric shock.
1. Disconnect the charger from the 115 volt wall out-
let once the indicators read fully charged.
E. CHARGER OPERATION
LED Instruction:
Red light on: Charge error (Voltage <11V)
Red ashing light: Battery reversed polarity
Yellow ashing light: No battery connected
Yellow light on: Normal charging
Green ashing light: 80% charged
Green light on: Fully charged
VOLTAGE
Approx. 12.7 V Fully charged
Approx. 12.2 V 1/2 charged
Approx. 12.0 V 1/4 charged
Approx. 11.6 V Discharged
Battery Discharge Indicator (BDI)
Operation
Here, second from left LED
blinks indicating reserved
power is above 70%
At this point we recommend
charging the system
Two leftmost LEDs blinking
indicate EMPTY
RECOMMEND charging the system BEFORE the
BDI indicates EMPTY IN ORDER TO EXTEND
BATTERY LIFE

PRESTO OWNER’S MANUAL Page 13 POWER STAK
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 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.
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 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!

PRESTO OWNER’S MANUAL Page 14 POWER STAK
S E C T I O N 7
TROUBLESHOOTING
Before starting the troubleshooting, you have to:
A. Put the truck on an even and solid surface.
B. Turn off key switch or disconnect the battery
terminals.
1. Unit will not lift (motor does not
run)
• Faulty wiring from fuse to lift switch in handle
• Faulty lift switch
• Faulty wiring from battery positive terminal to
pump contactor to pump motor
• Burned out brushes in pump motor
• Low hydraulic pressure caused by:
¨ Pressure relief valve needs adjustment
¨ Pump check valve stuck open
¨ Faulty solenoid valve
• Faulty wiring from lift switch to solenoid
• Faulty lift contactor
• Defective control circuit fuse
• Chain or roller bound
• Check oil level
2. Forks will not lower
• Look for binding in chains or rollers
3. No electrical power
Dead Batteries:
¨ Keyswitch on "OFF" position
¨ E-stop button depressed
¨ Loose or dirty battery connections
¨ Blown fuse(s)
• Faulty wiring from fuse to travel control switch
• Faulty control switch
• Faulty wiring from travel control switch direction
contactor
• Faulty contactor

PRESTO OWNER’S MANUAL Page 15 POWER STAK
STACKER BODY COMPONENTS
PPS2200-62NF0-21
Item Description Qty Item Description Qty
1Spacer 4 11 Cover Fixing 1
2Bearing 4 12 Bolt 2
3Load Wheel 2 13 Drive Wheel Cover 1
4Bolt 2 14 Rear Cover 1
5Spindle 4 15 Screw 10
6Stacker Body Assemby 1 16 Chain Cover 1
7Nut 4 17 Washer 4
8Spring Washer 4 18 Top Cover 1
9Caster Assembly 1 19 Bolt 8
10 Bolt 4 20 Limit cover 1
Item Description Qty
1 Spacer 4
2 Bearing 4
3Load Wheel 2
4 Bolt 2
5 Spindle 4
6Stacker Body Assemby 1
7 Nut 4
8Spring Washer 4
9Caster Assembly 1
10 Bolt 4
Item Description Qty
11 Cover Fixing 1
12 Bolt 2
13 Drive Wheel Cover 1
14 Rear Cover 1
15 Screw 10
16 Chain Cover 1
17 Washer 4
18 Top Cover 1
19 Bolt 8
20 Limit cover 1
Figure 2: Stacker Body Components

PRESTO OWNER’S MANUAL Page 16 POWER STAK
CONTROL POD
PPS2200-62NFO-21
Item Description Qty
1 LiftingSwitch 2
2 LoweringSwitch 2
3 RunningSwitch 1
4 EmergencyReverseSwitch 1
5 HornButton 1
Figure 3: Control Pod
6
Control Pod Bottom
Item Description Qty
1 Lifting Switch 2
2 Lowering Switch 2
3Buttery Switch 1
4 Belly Button Stop Switch 1
5 Horn Button 1
6 Turtle Speed Switch 1

PRESTO OWNER’S MANUAL Page 17 POWER STAK
Figure 4: Steering Component
Item Description Qty
1Drive wheel Assy 1
2Spindle Assy 1
3Spring Washer 4
4 Bolt 4
5 Seal 1
6 Bearing 1
7 Spindle Seat 1
8 Bearing 1
9 Bolt 4
10 Spring Washer 4
11 Washer 1
12 Fixing Board 1
13 Bolt 2
14 Collar Spindle 2
15 Lock Nut 1
Item Description Qty
16 Seat Connection 1
17 Bolt 2
18 Anchor Spindle Cover 1
19 Lock Washer 1
20 Nut 1
21 Spindle Cover 1
22 Screw 2
23 Spring Washer 2
24 Nut 2
25 Micro Switch 1
26 Bolt 2
27 Snap Ring 1
28 Spindle Collar 2
29 Air Spring 1
30 Fixing Shaft 1
31 Control Handle 1
32 Anchor Handle 1
33 Control Pod 1
34 Bolt 3
35 Flat Key 1

PRESTO OWNER’S MANUAL Page 18 POWER STAK
Figure 5: Drive Unit
Item Description Qty
1 Casing 1
2 Gear 1
3 Key 1
4 Dust Cover 1
5 Shaft Gear 1
6 Bearing 2
7 C Clip 1
8 Electric Brake 1
9 Bearing 1
10 Key 2
11 C Clip 1
12 Gear 1
13 Screw 4
14 Flange 1
Item Description Qty
15 Screw 3
16 Bearing 1
17 Seal 1
18 Ring Gear 1
19 Wheel 1
20 C Clip 1
21 Seal 1
22 Ring 1
23 Traction Motor 1
24 Dust Ring 1
25 Screw 10
26 Screw 3
27 Spacer 1
28 Panel 1

PRESTO OWNER’S MANUAL Page 19 POWER STAK
CARRIAGE ASSEMBLY
PPS2200-62NFO-21
Item Description Qty
1Block 4
2Washer 4
3Roller 4
4Bolt 4
5Fixed Pin, Chain 1
6Cotter Pin 1
7Snap Ring 2
8Feed Shaft 1
9Bolt 2
10 Nut 2
11 Fork Assembly 2
Item Description Qty
1 Block 4
2 Washer 4
3 Roller 4
4 Bolt 4
5 Fixed Pin, Chain 1
6 Cotter Pin 1
7 Snap Ring 2
8 Feed Shaft 1
9 Bolt 2
10 Nut 2
11 Fork Assembly 2
Figure 6: Carriage Assembly

PRESTO OWNER’S MANUAL Page 20 POWER STAK
MAST COMPONENTS
PPS2200-62NFO-21
Item Description Qty
1Chain Assembly 1
2Pivot Pin 1
3Spacer 2
4Wheel Chain 1
5Seat, Chain Wheel 1
6Snap Ring 1
7Bolt 1
8Lift Cylinder 1
9U Bolt 1
10 Outer Mast Assy 1
11 Nut 2
12 Control Valve 1
Item Description Qty
1Chain Assembly 1
2 Pivot Pin 1
3 Spacer 2
4 Wheel Chain 1
5Seat, Chain Wheel 1
6 Snap Ring 1
7 Bolt 1
8 Lift Cylinder 1
9 U Bolt 1
10 Outer Mast Assy 1
11 Nut 2
12 Control Valve 1
Figure 7: Mast Components