Counter Balance Stacker
Contents
1. 26 PRESTO OWNER S MANUAL Page 3 COUNTER BALANCE STACKER ECTION 1 INTRODUCTION This manual attempts to provide all of the Information N necessary for safe and proper Installation operation This machine is designed for powered and maintenance of Presto Lifts Inc battery operated travel and should not be manually moved Counter Balance Stacker Tt IS Important that all per by applying force to the Control Pod sonnel Involved with the Installation maintenance or Hd operator of the stacker read this manual Additional manuals are available upon request or at www Presto Lifts com The Control Pod and steering arm should only be moved side to side when the Each Presto stacker is equipped with nameplate serial machine is under power number and model identifications Please refer to these numbers when ordering parts or requesting further The Control Pod and steering arm should information be lowered to the drive position and power Forward or Reverse is engaged by moving The Presto stackers are designed for lifting lower the thumb wheel in the direction of desired ing and positioning a wide variety of loads WHERE travel then the steering arm can be moved UNIQUE SITUATIONS ARISE WHICH ARE NOT side to side for directional steering COVERED IN THIS MANUAL CALL PRESTO LIFTS FOR FURTHER INSTRUCTIONS Pushing or pulling on the Control Pod Handles2. PRESTO OWNER S MANUAL Page 6 COUNTER BALANCE STACKER 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 identified certain hazards that may occur 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 pos sibility of injury 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 15 a load on the forks or platform Do not perform any repair work if the forks or platform 15 in the raised position personnel must stand clear of the lift while 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 e 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 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
3. 23 Spring Washer 8 os ar Washer Bearing 29 Spindle Seat 1 30 Beim su bn COUNTER BALANCE STACKER Figure 5 Drive Unit Assembly Components 2 e 0 Bena s Electromagnetic Braker 9 ii Sew PRESTO OWNER S MANUAL Page 18 Hs 27 s RingGear 19 Wed set 23 Tae 25 Screw sw i2 Speer Pai COUNTER BALANCE STACKER Figure 6 Carriage Assembly Components 10 2 FixedPin Chan 4 SideRoller 6 Round Head Hex Socket Screw tem PRESTO OWNER S MANUAL Page 19 COUNTER BALANCE STACKER PRESTO OWNER S MANUAL Figure 7 Mast Assembly Components 2 umw 3 Chain Assembly 1 sme lh G note Sid 7 sem Chain Wrest 1 s mera o 9 Mast Sub Awembiy 1 Sen Limit Switch 1 hr Miero Switch ____ __ Page 20 15 Waher 2 spine washer 2 Cross Head Screw COUNTER BALANCE STACKER Figure 8 Hydraulic Power Unit Assembly Components 6 Motor PRESTO OWNER S MANUAL Washer 7 Oring 1 gt GearPump 1 i Washer Oil Hose Return Oil Filter 1 Oil Tank Plastic Bolt With Spring 1 Washer Cover Oil Tank COUNTER BALANCE STACKER Figure 9 Hyd
4. BATTERY md 24 bee Approx 12 0 V 1 4 charged Approx 11 6 V Discharged PRESTO OWNER S MANUAL Page 12 A DANGER Never alter the AC cord or plug provided If it will not fit outlet have proper outlet installed by a quali fied 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 BATTERY CHARGER OPERATION LED Instruction Red light on Charge error Voltage 11V Red flashing light Battery reversed polarity Yellow flashing light No battery connected Yellow light on Normal charging Green flashing light 80 charged Green light on Fully charged Battery Discharge Indicator BDI Operation Here second from left LED blinks indicating reserved power 15 above 70 At this point we rec ommend charging the system Two leftmost LEDs blinking indicate EMPTY Recommend charging the system before the BDI indicates empty in order to extend battery life COUNTER BALANCE STACKER SECTION 6 MAINTENANCE Operation of Presto Counter Balance Stacker is very simple as 1 their construction They require very little maintenance Reasonable care will result in ex cellent trouble free performance The Counter Balance Stacker is designed for one man operation and ease of performance Grease floor wheels and caster at least once a month Use only Hydraulic AW32 o
5. Presto worldwide material handling and ergonomic solutions Counter Balance Stacker Model PPS1100 62 CB This manual covers PowerStak units with frame numbers starting with GC stamped into the mast and shipped March 2014 and after Installation Operation and Service Manual Model Number Serial Date Placed in Service IMPORTANT READ CAREFULLY BEFORE INSTALLING OR OPERATING LIFT Part orders are subject to a 50 minimum charge SEPTEMBER 2015 Presto Lifts Limited Counter Balance 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 1s required on all warranty work There are no implied warranties of any kind more specifically there are no warranties of merchant ability or fitness 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
6. 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 floor Shut the stacker off with the key 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 COUNTER BALANCE STACKER DO 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 SECTION 3 INSTALLATION A INSPECTION Upon rece
7. CHECK LIST 1 Check Battery Discharge Indicator Fuel Gage and Hour Meter Be sure unit 15 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 flat 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 Check Drive Forward and Reverse Function Check Lift Up and Down Function Check Function for Belly Button Reverse Check Horn Function Check Brake Function Da 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 11 COUNTER BALANCE STACKER SECTION 5 BATTERY MAINTENANCE PREPARING TO BATTERY 1 Always turn
8. 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 defined as the original end user and is nontransferable This constitutes the complete and final agreement involving Presto Lifts and limited warranty obligations for products 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 find a complete list of current Owner s Manuals to print PRESTO OWNER S MANUAL Page 2 COUNTER BALANCE STACKER TABLE CONTENTS SECTION 1 BE AE ge EE 4 2 lil NC EE EE ENE 4 Responsibility of Owners and I 5 SECTION 2 Se 6 SECTION 3 HET ee 8 i S uu xo 8 D RON ku muu 8 C Preparaton 8 SECTION 4 GE NN T E 9 n AS CHONS LLL 9 B Daily Operations Maintenance Checks l Inna 10 Suggested Daily Operator Checklist cccccssccsssssssscsessssssssssecsessessesessessesaesaseesseseesaeeeseesensass 11 SECTION 5 Banery u LU ll n ae 12 A F RA 12 G
9. off E stop and key switch before work ing with the batteries 2 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 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 INFORMATION Avoid use of open flame 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 fol low all battery and battery manufacturer s specific pre cautions while working with and or charging batteries 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 VOLTAGE EN Approx 1271 Fully charged Approx 12 2V 1 2 charged
10. puse elf GI eif 2 NYOH YOLOVL GIONITOS AXINI M NOD JATVA v 3 wn NMOG INvYg SLV 1 1 O 3 1 N O GI _ Ee g dz YOLOVL OLV q r NOD HOLIMS 0 ISYIAIY Anag 7 vf LLV x r ELV C _ _ cup EE 0 u NL ll Ti NN cv _ pe GU D D 133HS Gs CE 608 v g OL me arg lt 2 Dr s o O O O 47 Mo xS ol QA O gt Ms as OTM ol U UO Mr EE ae ERN 91 91 Z aE C UIBISVIG SULITAA COUNTER 26 PRESTO OWNER S MANUAL Ordering Replacement Parts Presto Lifts has carefully chosen the components in your unit to be the best available for the purpose Replacement parts should be identical to the original equipment Presto Lifts will not be responsible for equipment failures resulting from the use of incorrect replacement parts or from unauthorized modifications to the unit Presto Lifts can supply all replacement parts for your lift With your order please include the model number and the serial number of the unit You can find these numbers on the name plate This plate 1 located within the cabinet or the angle iron cylinder cross support To order
11. when the unit 1 not powered can lead to damage and or breakage The battery operated stackers are designed for in plant non hazardous locations only These units are not for personnel lifting PRESTO OWNER S MANUAL Page 4 COUNTER BALANCE STACKER 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 1s repaired to the original manufacturer s standards Repairs All repairs shall be made by qualified 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 qualified person as to whether it constitutes a hazard All items not in conformance with Presto s speci
12. without charge if any components should become defective within the limited warranty period Proof of purchase 1s 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 15 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 financial 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
13. D RESULT IN INJURY AND OR DAMAGE TO LOAD AND EQUIPMENT PRESTO OWNER S MANUAL Page 10 Inspect the lift for damaged or worn parts Do not use if not in safe operating condition e 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 mum practical 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 15 clear of obstructions Check overhead clearance before lifting loads or transporting 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 Check hydraulic fittings 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 COUNTER BALANCE STACKER DAILY OPERATOR CHECK LIST CHARGE CONDITION BATTERY
14. RONIE DANEI PTT 12 C Warnings and Battery Information ll I I n nnne 12 D Battery ANE Abe 12 F Ol 2180 9 11 RR EE 12 SECTION 6 NE NN 13 Weekly Operations Maintenance Checks I 13 B Monthly Operations Maintenance Checks nn 13 SECTION 7 JO IOO 14 PR 27 RE TOCAN POLICI uu A E E 28 Figure 1 Operational BUMORIS LLL 9 Figure 2 Stacker Body LLULLA ___ __ ____ 15 Pedaler keine 16 Figure 4 Steering Assembly Components ucc cinereo trn drehte tera rnnt mtn oral pto Tra i extet coss deve be Doce 17 Figure 5 Drive Unit Assembly LLULLU 18 Figure 6 Carriage Assembly Component s l I 19 Figure 7 Mast Assembly Compents l J I nennen nennen nennen nnn nnn nini 20 Figure 8 Hydraulic Power Unit Assembly Compent essen nnne nnn nnn nnns 21 Figure 9 Hydraulic Seohelmatig LLULLU gt 22 Figure Control Panel ASSEMDIY 23 Figure 11 Labels 4 Precautionary Warnings sann 24 Figure 127 Diagrami 9 25 Figure 13 Wing Diagrami EEE EE
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16. 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 fixed object such as a wall or post e Watch your hands and feet foot or hand PRESTO OWNER S MANUAL Page 7 caught between the stacker and a fixed object will be crushed or even cut off ftraveling forks first 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 floor 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
17. either direction it functions like a throttle When you release your hand from the butterfly 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 butterfly 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 15 limited to 50 of full speed or turtle speed The operator can engage the butterfly forward with the right hand and engage the turtle speed button with the left hand The operator can engage the butterfly forward with the left hand and engage the turtle speed button with the right hand The reverse operation is also controlled with either hand Turtle Speed Control Pod Bottom Lift Up Horn Button is located on the top cover of the control pod PRESTO OWNER S MANUAL Page 9 COUNTER BALANCE STACKER The turtle speed 15 maintained only when the turtle speed button 15 engaged When the turtle speed button 15 not engaged the unit will operate at full speed The turtle speed button is a maintained contact operation Electric Brake Your stacker is equipped with an electric magnetic brake The brake is applied when the handle is in its vertical position between 10 15 degrees and lowered position between 80 90 degrees The brake could be released when you pull down the ha
18. et 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 This stacker 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 COUNTER BALANCE STACKER SECTION 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 15 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 themse
19. fication 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 Modifications or Alterations Modifications or alterations to any Presto industrial positioning equipment shall be made only with written permission from Presto PRESTO OWNER S MANUAL Page 5 COUNTER BALANCE STACKER 2 SAFETY You must be trained and certified to operate this powered stacker Federal law states that only properly trained operators are permitted to operate powered industrial stacker and that your employer must train you and certify that you are qualified 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 search engine SAFETY ALERT SYMBOLS AND SIGNAL WORDS The safety of all persons operating maintaining repairing or in the vicinity of this equipment 15 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 identified which may occur in the use of the machine and there are appropriate instructions or precautions which should be take
20. h direction contactor Faulty contactor PRESTO OWNER S MANUAL Page 14 COUNTER BALANCE STACKER car 5 sw Hom war 12 Spring waster i m poe Power Ut 1 hs Drvesysem Front Cover PRESTO OWNER S MANUAL Figure 2 Stacker Body Components Sw 2 Round Head Hex Socket Screw Page 15 mmCwe 2 Top Cover bh 46 Rear Cover 47 1 I COUNTER BALANCE STACKER Figure 3 Control Pod 5 Control Pod Bottom Item Description Qty 6 tute Sposa Swick PRESTO OWNER S MANUAL Page 16 COUNTER BALANCE STACKER m NO Description Control Handle Anchor Handle Steering Arm Nut Micro Switch Bolt Hexagon Button Head Bolts Cover Steering Arm Cross Head Screw Pin Air Spring Pivot Pin Bolt Lock Anchor Steering Arm Bushing Item Description Control Handle 2 Anchor Handle 3 SteeringArm a N 5 Micro Switch 6 Bp NI s 8 Steering Arm ___ 9 Cross Head Screw fairSpring 12 PivotPin 13 Bol Lock 14 Anchor Steering Arm 15 Bushing PRESTO OWNER S MANUAL Page 17 Figure 4 Figure Steering Assembly Components 17 Protective Sleeve f1 f r 29 Nu pb fen s
21. ipt 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 filed 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 e Check all electrical and hydraulic connec tions for tightness Remove back panel Inspect for any bent or damaged parts REMOVING FROM PALLET Each of the Presto stackers 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 Ib 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 PRESTO OWNER S MANUAL Page 8 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 pall
22. lt of factory defects based on its Inspection of the merchandise GENERAL All products shipped from our factory have passed Quality Assurance inspection and testing The carrier of choice has signed for and accepted the product in new working condition The customer should inspect to ensure it is not received damaged has no concealed damage or is not incomplete Parts orders are determined to be complete based upon Presto Lift Inc inspection sheets and carrier shipping weights PRESTO OWNER S MANUAL Page 28 COUNTER BALANCE STACKER NEEDS REQUIRE OPTIONS Call Presto Sales for stock or customized lift inquiries 800 343 9322 Email sales prestolifts com
23. lves 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 butterfly controls throttle on the up per part of the handle When rotating the butterfly con Figure 1 Operational buttons Control Pod Top Horn Button Butterfly Speed Control Direction Control Belly Button L WS h Butterfly Lift Down Lift Up Speed Control Direction Control Lift Down trol towards the forks the stacker runs forwards the forks first direction When rotating the butterfly towards 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 1 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 1s increased by the degree of the rotation in
24. n 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 definitions 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 defined by ANSI Standard Z535 4 indicates the relative seriousness of the hazardous situation A DANGER Red Background 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 Orange Background CAUTION used with the safety alert symbol indicates a haz ardous situation which if not avoided could result in minor or moderate injury Yellow Background NOTICE Blue Background SAFETY SAFETY INSTRUCTIONS or equivalent signs indicate safety related instructions or procedures NOTICE is used to address practices not related to personal injury INSTRUCTIONS Green Background
25. ndle at any point between 15 80 degrees Always make sure the brake is released 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 butterfly controls in the opposite direction the change 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 contact with your body during operation immediately release your hands from the butterfly 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 automati cally 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 COUL
26. r Dextron III hydraulic system Do not overload your lift Check brakes steering mechanisms and controls 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 hy draulic 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 PRESTO OWNER S MANUAL Page 13 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 as sembly 3 Frame Assembly A Clean and lubricate all roller bearings cam followers and all moving parts B Clean and in
27. raulic Schematic The hydraulic cylinder Electromagnetic valve gt High pressure filter QD MA Speed regulator valve Pressure ______ ____ ____ _ __________ D E Check valve m x x Motor VA Gear pumb _ Low pressure filter e EE mE na 2 The hydraulic 011 tank PRESTO OWNER S MANUAL Page 22 COUNTER BALANCE STACKER Figure 10 Control Panel Assembly b gt makt Controller f Fue Contactor Traction fi __ PRESTO OWNER S MANUAL Page 23 COUNTER BALANCE STACKER ra prm ny PRAT m amp inr amm am nana sappue pog onmp am upqsua Zmage 0101752911 10 APIS 01 APIS paxqur aq ULLE 2 12395 Weyl TASTA Aq D32Z62TU s 10 4 pue Wrysud sug uJ PdadaAUt pinnis mon AMANS prm Intin ATL 91866001 1868001 81865001 13 40 18 prat SALS 48 pe pinoys une 31019225 prm 911402 gung aur tita i delle 4 3q you pr 14304 5 GUL USE USE 46209001 900 9S619001_ VHd1V O1S33d O0 XOOZI TOG Q138
28. replacement parts please call the Presto Parts Department Parts are shipped subject to the following terms FOB factory Returns only with the approval of our Parts Department Credit cards preferred except parts covered by warranty Freight collect for truck except parts covered by warranty Freight prepaid and invoice for small parcel shipments except parts covered by warranty The warranty for repatr parts 15 30 days from date of shipment Parts replaced under warranty are on a charge credit basis We will invoice you when we ship the replacement part then credit you when you return the worn or damaged part and we verify that it is covered by our warranty Labor 15 not covered under warranty for Parts orders Presto Lifts Parts Department 50 Commerce Way Norton MA 02766 Telephone 800 343 9322 FAX 888 788 6496 Email Service PrestoLifts com www PrestoLifts com PRESTO OWNER S MANUAL Page 27 COUNTER BALANCE STACKER RESTOCKING POLICY PARTS Standard parts may be returned with a 20 restocking fee Modified custom engineered parts are not returnable Unfortunately due to potentially concealed damage all sales of electrical assemblies are final QUALITY ISSUES Should you feel there is quality problem please contact the seller to ask questions and gather information on how to rectify the issue Presto Lift Inc reserves the right to determine potential credits as resu
29. spect 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 DO NOT USE LIFT IF IT IS NOT OPERATING PROPERLY OR APPEARS UNSAFE IN ANY WAY COUNTER BALANCE STACKER SECTION 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 switc
30. u iedo OU u pue 2942048 vo sucqonasur pue Aeqo pue Dugeedo asoj q J DER Peden Kpoesr sos rowoeya 9l esn you NOK ji JO peun u Aj nouos OG pjnoo punoje 0410 JO noA 9410161 M42 JOINS PAMO sha peyipe2 pue pau janw SJ S 40 3GISNI NO JDV 1d 4995504 NO TWINOZISOH 215 24 PRESTO OWNER S MANUAL 6 13485 OL YOLOVINOO 91 91 MASZ O JOIOW NOLLOV amp L r q398VHO9 ATINA NO N3389 398VHO 08 SI LIVE DNIHSV 14 N3389 TVINHON MOTI3A q3193NNOO AYILIVH ON DNIHSV 14 MOTI3A GISYIANIY LIVE ONIHSV 14 38 AOL gt 39VLTOA 11804 H398VHO NO NOLVOIGNI Gi 919 1NdNI OV ASN LON OG Cu WOY ili qadoon 13M dN SddAl AdSLIV a HOLIMS did 1 YOLOW I N3ONVHO dW d __ LAUILIVE W3ISAS 9 AOLOVINOD v vC P 4015 YOLOVINOD 1311 AONJDHINI VOSI VOSI YOLOVINOD NIVW VS 01 9 E 9 O O HOLIMS 5 PET AI SULIIM Z 4 COUNTER BALANCE STACKER Page 25 PRESTO OWNER S MANUAL SOPSNI S0FSNI 90FSNI 3GOIG 730010 90FSNI SZ sZ y a
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