Presto Lifts XL36-20 Use and Care Manual
Contents
1. 3811 5 TORT ON INHY ATF PRESTO OWNER S MANUAL XL X3W amp X4W SERIES Page 19 FIGURE 9 XAWT36 20 48 368 LIFT BASE 4 122 LEFT T F T LT BASE iab AT Y min 7 sa m Ls 2 lt Fam Fon 5 T 1 i 8 En Esa TT n rr Tm ee i P L 412 2 rr ili p emo i pi i T ae WIE TY KI CT H 82012156 4 2 LAG AMG 2 0002 000 TE DU 1222 015 01 1 0 EA EL PB STAN MT EL WIRING DING 115 WE RO TFE 1 REF HT PLLIMBEMG SCHEMATIC Page 20 PRESTO OWNER S MANUAL XL X3W amp X4W SERIES FIGURE 10 X3WT36 Plain View Shown with lift fully lowered amp partial view of tilt top in phantom Ts Bi T ii IIR ILI E I Ra uaa ga a a ET AT j 3 3 m THIS HELE FIR d5 12 CLTE Pk LEE HI ELE HF i LEETE AT si OPP Ro 15 in i i 16 1 0 E HY FTG WEATHE 10648414 241577 15 4 0 F FW2. 9 Oi 9 SECTION 5 1 1 11 11 31 13 E e 10 Zi Tol NI i TN U 10 B Troubleshooting 10 SECTION 6 S Cn mau 11 A IRC ACIS Cylinder SEALS uuu 11 Replacino 8 OI 12 LIST OF FIGURES Figure 1 Maintenance Chock 11 Fis re2 AL Scissor EET 13 Figure 3 Exposed Cylinder Assembly 15 Figure 4 Exposed Power Pack 15 Figure 5 Wiring Schematic 115 1 60 power with 20 AMP Plug 16 Figure 6 Wiring Schematic 208 220 460 3 60 Power with Pig Tail 17 Figure 7 Hydraulic Schematic for all 18 Figure 8 Labeling Diagram for all Models 19 Fig re 9 X4WT36 20 E 20 15 11 52 10 YD o T oy 21
3. mE M pe m iT FIXED FLOW CONTROL PRESSURE COMPERSSTED 1 2 N LZ Ez 1 LOAD VALVE m STSTEM RELIEF PRESTO OWNER S MANUAL XL X3W amp X4W SERIES Page 23 PARTS Standard parts may be returned with a 20 restocking fee or 35 00 net whichever is greater Modified or 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 a quality problem please contact the seller to ask ques tions and gather information on how to rectify the issue Presto Lift Inc reserves the right to determine potential credits as a result 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 Page 24 PRESTO OWNER S MANUAL XL X3W amp X4W SERIES RETURN GOODS AUTHORIZATION POLICY Presto Lifts provides the Return Goods Authorization RGA Policy for specific models as a courtesy to our distributors in the event they do not receive what they ordered If
4. 44 P RL 1 4 H H115 200XP 14 1 0 ER CABLE TIE T WRAP TT 24H 2196004 13 1 0 EA H SPR HARDHARE PADD 21 062 063 018 01 11241 6 12 BY FU 1154 1 0HP 3CPM 1 506 015 11 11 01 HY FTG HOSE 241035 10 6 0 FT MRE An 3 io Ea wv 10 Ea HY wv LIKIC 1060 62 20 Bel 1RC A 1 1 0 E amp Hr FTE ADPTH AERO 20854 45 amp F SE GAMOC 16000 1 0008 21000 s 1 0 EA MP PIN zB 1 0906 5 10011567 1 RFF St 2330021 4 0 SCREW SUFLES STL 25 201 52 M25 1 0 Ea me Fb 1 0003 00 1 1 0 En CY SIME ACTING 21233 50000 MO a 202157 DESCR DP FAST SU PRESTO OWNER S MANUAL XL X3W amp X4W SERIES Page 21 FIGURE 11 WIRING DIAGONAL 115 AC NO TRANSFORMER NOTE GROUND CONNECTIONS SHOWN USE PROPER GROUND PROCEDURES FUSED DISCONNECT BY OTHERS GREER GREER M TROLS MTR y INE MF RECEFTSCLE LIFT 4 2 CORTACTOR LIFT Dile 5 549951 2 vaLvE SULERULD TILT UF 4 ri b g 5 2 OLVERTER SOL TILT Page 22 PRESTO OWNER S MANUAL XL X3W amp X4W SERIES FIGURE 12 PLUMBING SCHEMATIC LIFT CYLINDERS TILT CYLINDER CYLINDER VENT LINE 0 0
5. 6 lifts serviced in a lowered position lower the tabletop completely b For lifts serviced in the up position raise table slightly and remove steel bars Page 12 PRESTO OWNER S MANUAL XL X3W amp X4W SERIES FIGURE 2 XLSCISSOR LIFTS lt DESCRIPTION Foot Control Down Solenoid Coll Pump Motor Roller Suction Line Pressure Line Control Panel Fill Plug GO NON C A WO N Upper Roller Cylinder NO Vent Roller Chock Oo PRESTO OWNER S MANUAL XL X3W amp X4W SERIES Page 13 RECOMMENDED SPARE PARTS LISTING Description Used Model Foot Switch E308 E36 All Units Down Solenoid 2562028 115 VAC Phase Power Lift Coil Only 2562029 208 220 460 1 amp 3 Phase Power Lift 24V Coil Only 2562033 Valve Stem Only Pump 1000 034 10 1 GPM 24 Travel Series All 36 Travel Se ries with 2000 3000 and 4000 Capacities 1000 034 20 2 GPM All 36 Travel Series with 5000 and 6000 Capacities All 48 Travel Series Motor 255 1 1PH All 24 Travel Series All 36 Travel Series with 2000 3000 and 4000 Capacities E255T 1 5 HP All 36 Travel Series with 5000 and 6000 Capacitities All 48 Travel Series Cylinder 1000 018 3 1 2 bore All 36 travel lists with 2000 3000 4000 5000 and 6000 capacity not XT36 40 1000 019 4 bore XL36 40
6. I AA 0 3 t 5 w LIFTS worldwide material handling and ergonomic solutions XL X3W amp XAW Series Scissor Lifts with Tilt Installation Operation and Service Manual Model Number IMPORTANT READ CAREFULLY BEFORE INSTALLING OR OPERATING LIFT Part orders are subject to a 50 minimum charge September 2014 This manual was current at the time of printing To obtain the latest most updated version please contact Presto Lifts Customer Service Department or go to our website www PrestoLifts com you will find a complete list of current owner s manuals to print Page 2 PRESTO OWNER S MANUAL XL X3W amp X4W SERIES CONTENTS SECTION 1 mmm 4 Responsibility of Owners and Users 5 Safety Alert Symbols and Signal Words 6 SECTION 2 D i v 7 SECTION 3 lili ME OO D OT 9 Pee MSOC CO uu sus unun Du ET mE 9 J li iii mS 9 20012013 ETE 9 IB li EE E 9 E Destine the Li wih NO poro uu u cc 9 SECTION 4 T iO cenis tust ceres dete un n Ds 9 A Method EATON
7. 12 Remove piston rod piston and gland from cylin der 13 Remove rod nut piston and gland 14 Remove and replace seals and wipers 15 Assemble piston and gland to piston rod 16 Assemble rod nut to piston rod and torque to 100 ft Ib 17 Lubricate piston and seals and install cylinder 18 Insert retainer ring 19 Install cylinder and hydraulic lines 20 Fill reservoir 2 a Forthe lifts serviced in lowered position lower tabletop completely b For the lifts serviced in the up position raise table and remove chocks 22 Cycle lift 2 3 times adding oil if necessary 23 Recheck reservoir oil level FIGURE t MAINTENANCE CHOCK PRESTO OWNER S MANUAL XL X3W amp X4W SERIES Page 11 A REPLACING LEG ROLLERS Seal kits are listed on page 11 1 For standard lifts lower lift to is lowest posi tion and hold down switch for an additional 10 20 seconds Then lift the top to its over center position and secure b For lifts with oversize or beveled platform secure the lift as follows Raise the lift to its full raised position Place a steel 7 8 or 1 bar through both outer scissor leg holes Lower the lift until the inner legs are firmly in contact with the bar 2 Disconnect electrical power 3 Raise leg assembly 2 and support with the yellow supplied safety chock 4 Remove retainer clips shield and rollers 5 Clean and lubricate axle Replace with new rollers shields and clips
8. Figure 11 Wiring Diagonal 115 AC no Transformer 22 Figure 12 Plumbing Schematic 23 RECOMMENDED SPARE PARTS LIST 14 RESTOCKING POLICY M 24 RETURN GOODS AUTHORIZATION RMA PROCEDURES 25 ORDERING REPLACEMENT 4 4 211 2 000 0000 000 00004 26 WARRANTY d O O EER EEEE E a 27 PRESTO OWNER S MANUAL XL X3W amp X4W SERIES Page 3 ECTION 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 XL X3W or X4W Series Scissor Lifts It is important that all personnel involved with the installation maintenance or operation of the scissor lift read this manual Where unique situations arise that are not covered in this manual call Presto Lifts for further instructions Additional manuals are available upon request or on our web site at www prestolifts com The scissor lift has a nameplate that provides the load capacity ratings serial number and model identifications Please refer to these numbers when ordering parts or requesting further information The Presto Lifts XL X3W or X4W lifts are designed for lifting lowering and positio
9. 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 DANGER indicates a hazardous situation which if not avoided D G F R will result in death or serious injury Red Background 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 moderate injury Yellow Background NOTICE is used to address practices not related to personal NOTICE EZ Blue Background SAFETY SAFETY INSTRUCTIONS or equivalent signs indicate safety INSTRUCTIONS related instructions or procedures Green Background Page 6 PRESTO OWNER S MANUAL XL X3W amp X4W SERIES ECTION 2 SAFETY The safety of all persons installing using servicing or working near the unit is of paramount concern to Presto Lifts The lift is a powerful machine with moving parts and is capable of causing personal injury if proper precautions are not taken Therefore throughout this manual Presto Lifts has identi fied certain hazards which may occur in the use of the unit and provi
10. Only 1000 020 4 bore XL24 40 Only 1000 021 3 1 2 bore All 24 travel lifts with 2000 4000 and 6000 capacity not XL24 40 1000 023 3 1 2 bore All 48 travel lifts with 2000 4000 and 6000 capacity Reservoir All 36 Travel Units 1000 196 02VR All 48 Travel Units 1022 025VR All 24 Travel Units Reservoir Filter 1000 046 All Units For machines purchased 2006 amp before 1000 067VR For machines purchased 2007 amp up contact Parts Dept with model and serial number of machine Page 14 PRESTO OWNER S MANUAL XL X3W amp X4W SERIES FIGURE 3 EXPOSED CYLINDER ASSEMBLY ITEM DESCRIPTION 1 Cylinder 2 Velocity Lock or Excess Flow Protector 3 Roller 4 Wheel Chock FIGURE 4 EXPOSED POWERPACK ITEM DESCRIPTION 1 Motor 2 Pump d Reservoir 4 Fill Plug Control PRESTO OWNER S MANUAL XL X3W amp X4W SERIES Page 15 WIRING SCHEMATIC 115 1 60 power with 20 AMP PLUG FIGURE 5 1002 80703 JAWS 351 1081803 1003 109190 OMVH SNOTLISNNOD TWNH3INI 831715 HOLOW 2 hii 32818 HYLA 114405 1233402 uoi 3810038 5 5 4 Dav v 0731 SIHI 1238802 1081802 1004 EQ NH OL 312913938 ET FE LEOTA LLLI HOLUN 09 MIM de eR PT MM i Hd 1 21 xu 1 _ AOEZ BOZ o Ld H OA h ES Wvdao9viad 9NISIM SH3H1U AB 123 8
11. PH HP 240 Volt 1 PH 1 1 2 HP 208 20 Volt 3 15 AMP 1 1 2 HP 460 Volt 3 PH FUSE BREAKER 25 AMP 20 AMP 25 AMP 20 AMP 10 AMP 7 1 2 AMP 5 AMP Schematics for wiring motors Figure 6 for 120 volt 1 PH Figure 6 for 240 volt 1 PH Figure 7 for 208 240 460 volt 3 PH Do not tamper with or remove cover of the electrical junction box Only authorized qualified personnel should service the electrical system D HYDRAULICS Use hydraulic oil only for the lift The lift has been supplied with Conoco Super Hydraulic 32 2 Before using the lift check the hydraulic oil level and add oil if necessary Check fittings for tightness 3 External power pack units also require that the hy draulic lines be blown out with clean air Then attach to hydraulic fittings per hydraulic schematic Figure 8 ACAUTION XL X3W or X4W Scissor Lifts are designed for normal factory environments Where below freez ing conditions may exist special fluid must be used Contact Presto Lifts for further information when freezing conditions exist Do not use automotive hydraulic brake or trans mission fluids They will damage seals and pose a serious fire hazard E TESTING THE LIFT WITH NO LOAD 1 Before testing the lift clear the area of any loose material Be sure the lift has no obstruction above it or on any side Using the controls provided briefly oper ate the lift 5 10 seconds If the lift begins
12. to rise with a humming sound and functions properly continue to the full upright position If the lift does not rise immediately or there is any operational problem stop it immediately Before continuing check the rotation of the pump and mo tor and the voltage at motor terminals again briefly operate the lift If the lift does not move smoothly with a humming sound stop and review the proce dures in the section on troubleshooting 5B 2 After raising the lift completely lower the lift It should move slowly and smoothly without a humming sound If the lift operates properly raise and lower the lift and stop at different levels to get a good perspective on the lift s operations and movements SECTION 4 OPERATION A METHOD OF OPERATION All XL X3W or X4W Scissor Lifts are provided with a special relief valve and are factory preset for the maxi mum safe capacity of the lift Activating and holding the up switch will energize the motor The motor is attached to a positive displacement pump that draws hydraulic fluid from the reservoir and transfers it under pressure to the cylinder This forces the piston forward and the scissor legs to separate and raise the platform releasing the up button will stop the lift A check valve between the pump and piston holds the table in position Depressing and holding the down switch will energize a solenoid that allows the oil from the cylinder to return to the reservoir through a pres
13. 02510 03503 u m m 1081802 1004 QNYH u3H113 ba m lt az EEE m w um OEOmOE NUR EC RONUN EUN ECHO E mu NOT 123NNOJ 0009 v JAVA 01 T3NYd M3935 21081087 N3389 350 NMOHS LON SNOTLISNNOD J1ON IX 30 QY31SNI ZX WNIWH3L 3SN 10815023 AF2 804 JOMINOJ ASIL NMOHS 187 SNOILISNNOD H3WuO3SNvHl 3311 10 199015 173590 803 SV SHIMN 00 0431 SIHI 133NN02 11238802510 03513 YL OA 114405 2 H09 Hdl AO0 27802 3A WA NADO XL X3W amp X4W SERIES Page 16 PRESTO OWNER S MANUAL 460 3 60 POWER with PIG TAIL 220 WIRING SCHEMATIC 208 FIGURE 6 MOL 103HMN11 INTHE 101110 ONH 2005 Y TANYA 43925 9 Made 351 LON JUN 100 vn 3875 15 1503 LM JU de315M 21 i 1003 2 105100 NH 1091909 03 MINOS 1005 FHF SNOT LIAL YMA OSH Y 43 113 EXTERN Noa UR ON T D DCUM SHOT 113415 103 03 813 13411 St SHAHIN IF F 0931 IHL LAHO 11315 JAA MAO E AUR TH 15 lt 2 2 a W 19300511 03513 093 f TL OA 114415 4 41 THOS SR ORES BOS L L 11445 1
14. 0402 T3 3 Y Suam OOF 9 SIHL 1938882 JLIHI EE 4 1 027 00 ONISIM SIRO 4B 01314 PRESTO OWNER S MANUAL XL X3W amp X4W SERIES Page 17 FIGURE 7 HYDRAULIC SCHEMATIC for all MODELS JA IYA QIUMJ3IDS NM 31VvSMJdMLI ddd NECI MED TDM1NDJ 8014 3X1 4 IA 1514 ALIJOT3A pt 211 ON x E 111 iS T 1 Yi l aA 24 JMI LNSA JYO ddi 4 WALSAS Page 18 PRESTO OWNER S MANUAL XL X3W amp X4W SERIES FIGURE 8 LABELING DIAGRAM for all MODELS IHS Y 53015 HBL DM 31 3111 al TAH LESSOMZ 306311 335 354H SLO BIN THN 3H3HR 11814 W3 JH WS THM 201 58 SIMPLE OL 38 A FYE 33 33119 AGL UT 41 1758 M SWT DM 9860 455125 IB ASL M JHr1S0 IONS 31 fld xu WL i 1F OH POLE 23119 PRIMI Ma 1230 RAILS i ATRA LE 8 1 Ya In is riz HH AU dn HMA OM AS ATMO
15. a customer wishes to return a Presto Lifts product please contact the Customer Service Department and request an RGA number This request must be made on or before the fifteenth calendar day following the date of Presto Lifts invoice for the merchandise Not all units are returnable Quantity orders and special designs cannot be returned under any circumstances Presto Cus tomer Service reserves the right for final judgment on all product returns The RGA number must appear on the outside of any packaging material for a return to be ac cepted and processed by Presto Lifts Customers shipping returns from the Continental US Canada or Mexico have thirty 30 days from date of RGA issue to have the product arrive at Presto Lifts facility All merchandise must arrive Free on Board at Presto Lifts facility or the shipment will be refused and returned to the sender All credits are issued less restocking and refurbishing charges regardless if the merchandise was damaged in transit Return addresses please refer to your RMA for the address to which your product should be returned Presto Lift Inc 715 Highway 77 Manila Arkansas 72442 Telephone 800 343 9322 Fax 888 788 6496 PRESTO OWNER S MANUAL XL X3W amp X4W SERIES Page 25 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 e
16. and if ap plicable scissor legs from faulty material and workmanship for a period of five 5 years from the date of invoice other components have a limited warranty against defects in faulty material and workmanship for a two 2 year period from the date of invoice 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 mer chantability 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 without charge if any compo nents 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 RMA number The shipping charge to return the component to the buyer 1s 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 ap plicable use of product while charger is plugged into an AC outlet or failure to follow operating instru
17. ctions 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 Presto Lifts shall not be held liable for any damages resulting from noncompliance It is the dealer s responsibility to exercise this limited warranty This limited warranty is provided to the original purchaser defined as the original end user and 15 nontransferable This constitutes the complete and final agreement involving Presto Lifts and limited warranty obligations for products PRESTO OWNER S MANUAL XL X3W amp X4W SERIES Page 27 MANY NEEDS REQUIRE MANY OPTIONS Presio Call Presto Sales for stock or customized lift inquiries 800 343 9322 Email sales prestolifts com t 1 1 z H m i 14 i n 3 z 3 a L 4
18. d clean Check oil condition replace if dirty b Pinched hydraulic lines C viscosity is too heavy 3 Lift raises then slowly lowers without power a Down valve dirty Remove and clean b Leaking hydraulic lines or fittings check for telltale oil spots c Check valve in pump may not be seating Requires new pump 4 Lift will not lower when energized a Down solenoid faulty Check voltage may be low or wrong voltage for coil Check continu ity of coil burned out SECTION 6 SERVICE A REPLACING CYLINDER SEALS Seal kits are listed on page 11 1 Lower the lift to its lowest position and hold down switch for an additional 10 to 20 seconds Then lift the top to its over center position and secure 2 For lifts with oversized platforms the cylinder is replaced while the lift is in an up position To position lift in the up position follow instructions for routine maintenance 5A a e em Disconnect the electrical power 4 Disconnect the hydraulic hose from the cylinder and cap the line to prevent hydraulic fluid loss 5 Loosen the set screws holding the cylinder pin Remove the cylinder pin 7 Liftthe cylinder out of the lift CAUTION Hold the cylinder securely while removing the pin to prevent it from falling to the floor e 8 Clamp cylinder securely at the base end 9 Completely collapse cylinder piston 10 Push gland into the cylinder 1 8 3 16 11 Remove retaining ring
19. ded appropriate instructions or precautions that should be taken to avoid these hazards In some cases Presto Lifts has also pointed out the consequences that may occur if Presto Lifts instructions or precautions are not followed Presto Lifts uses the following nationally recognized system for identifying the severity of the hazards associ ated with its products Immediate hazard that will result in severe personal injury or death Hazard or unsafe practice that could result in severe personal injury or death Hazard or unsafe practice that could result in minor personal injury or property damage In the interest of safety please read the entire manual carefully You must understand the material in this manual before you install use or service the unit If you have any question about any of the instructions in this manual please contact Presto Lifts Inc at 1 800 343 9322 PRESTO OWNER S MANUAL XL X3W amp X4W SERIES Page 7 SECTION 3 INSTALLATION A INSPECTION Upon receipt of the XL X3W or X4W Series Scissor Lift inspect the equipment completely to determine if there is any shipping damage and that the lift is com plete Presto Lifts Inc 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 lift if there appears to be any damage With the lift in a collapsed position check the follo
20. et flow control This al lows the lift to lower smoothly and at a controlled speed B OPERATING INSTRUCTIONS In order to operate the lift follow these operating pro cedures PRESTO OWNER S MANUAL XL X3W amp X4W SERIES Page 9 Read and understand all the Instructions before operat ing Ifthe lift has modifications or accessories read and understand their functions 1 Load the lift correctly a Do not load the lift while it is running b Do not exceed the maximum rated load note that load capacity is reduced due to side or end loading Place load in the center of table d If the load is unstable or may become unstable fasten it into position 2 Operate the lift a To raise the lift press and hold the up button b To lower the lift press and hold the down button c Release the button to stop the lift 3 Wait until the lift has come to a complete stop before unloading the lift 4 Stand clear of lift when operating it in order to avoid injury AWARNING a Do not stand sit or climb onto the lift b Do not load or unload a moving lift c If the lift fails to move or exhibits strange move ments or sound stop immediately Do not operate the lift until it has been checked and repaired d Obey all warning labels SECTIONS MAINTENANCE Generally the XL X3W or X4W Series Scissor Lifts require very little maintenance Reasonable care will result in excellent trouble free pe
21. heck 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 6 Check that all pre cautionary labeling is in place and legible Replace damaged labels immediately See Figure 8 B TROUBLESHOOTING MAINTENANCE LIFT WILL NOT MOVE 1 No operational noises a Check power switch fuses and overloads 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 Motor 3 phase single phasing Check voltage at motor terminals c Motor 3 phase reversed Reverse 2 lines d Motor 1 phase low voltage Check voltage at motor terminal e Oil shortage reservoir low or oil line failure Repair or replace f Down valve open check wiring remove and run lift 3 Motor overheats a Excessive cycle rate 15 per hour max b Low voltage check voltage at motor starvation check filter in reservoir LIFT OPERATING SLOWLY 1 Up cycle a 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 a Down valve dirty remove an
22. itutes a hazard AII items not in conformance with Presto s specification 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 XL X3W amp X4W SERIES Page 5 SAFETYALERTSYMBOLSAND 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 identified 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 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
23. ning a variety of loads WHERE UNIQUE SITUATIONS ARISE THAT ARE NOT COVERED IN THIS MANUAL CALL PRESTO LIFTS FOR FURTHER INSTRUCTIONS XL X3W X4W Series is designed for inplant nonhazardous location use only These units are not for per sonnel lifting Page 4 PRESTO OWNER S MANUAL XL X3W amp X4W SERIES 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 qualified personnel 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 const
24. oles for anchor bolts Bolt the lift securely before using it e For lifts with remote power units locate and bolt the power unit in place so as to provide easy access Do not obstruct the operator s work area Make hydraulic connections according to the information contained in Section 3D f Electrical connections must be made according to the electrical schematics and information contained in Sec tion 3C and in compliance to local codes and ordinances 1 Pit Mounted Installation a Build pit to standard pit dimension as outlined in Figure 2 Page 6 paying careful attention to raceway sump clearance and height requirements b The remaining steps are the same as required for floor installation See Section 3B 1b to 1f Do not install lifts in pits unless they have approved bevel edge top or electro mechanical toe guards a x Lifts with toeguard and oversized platforms must be secured with at least 4 anchor bolts with a minimum of 2000 Ib pullout strength for each bolt C ELECTRICALS The motors on XL X3W X4W Scissor Lifts are spe cial intermittent duty motors with high pull up torques These motors require heavier duty electrical controls than standard motors All wiring must conform to local codes and must be performed by licensed electricians The following chart recommends power sources for various motors supplied with Scissor Lifts MOTOR SIZE HP 120 Volt 1
25. quipment 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 15 located within the scissors mechanism To order 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 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 is not covered under warranty for Parts orders Presto Parts Department 50 Commerce Way Norton MA 02766 Telephone 800 343 9322 FAX 888 788 6496 Email service PrestoLifts com www PrestoLifts com Page 26 PRESTO OWNER S MANUAL XL X3W amp X4W SERIES Presto Lifts Limited Warranty Policy Presto Lifts warrants all of its products against defects in the welded structural frame
26. rformance 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 A ROUTINE MAINTENANCE All routine maintenance should be performed monthly and can be performed on the standard XL X3W or XAW Series Scissor Lifts in a lowered height position Before Page 10 PRESTO OWNER S MANUAL XL X3W amp X4W SERIES performing any maintenance shut the power off Then raise the top over its center position secure in place and perform the routine listed 1 through 7 For lifts with oversized or beveled edge platforms the lift must be serviced in an up position The following procedure must be followed prior to servicing a Raise the lift to the full up position b Place the safety chock in position as shown in Fig ure 1 Lower the lift until the wheels come in contact with the chock d Shut the power off e Perform the routine listed 1 through 7 AWARNING Wood blocks should be cut to the proper length and be of a hard wood variety such as oak or ash 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 damaged 3 Check snap ring and shield Replace if damaged 4 Check hydraulic lines for damage or leaking Replace if damaged 5 C
27. wing f Check for signs of damage especially to the elec trical and hydraulic components f Check all connections for tightness Is there hydraulic fluid visible f Check base frame for flatness 1 Inspect for any bent or damaged metal parts B INSTALLING Before starting be sure that the electrical system 15 wired and 15 in full compliance with local electrical codes and ordinances Read all of the instructions prior to starting the lift 1 Floor Installation a Make sure that the floor in the installation area 1s level stable and free from dirt and surface defects b Place lift in exact operating position When moving the lift do not ever attempt to pick it up by the platform The lift should be picked up by the base frame only The use of a strap sling is suggested If the lift has optional lifting eyebolts at tach a chain spreader and raise the lift from a center position Be sure the eyebolts are secured in place with locking nuts prior to lifting c Make sure that the complete base of the lift is in con tact with the floor In order to provide complete contact with the floor the base may be shimmed or grouted Do not spot shim The complete base must be in contact with the floor or shims Page 8 PRESTO OWNER S MANUAL XL X3W amp X4W SERIES d If the lift is provided with anchor holes or brackets be sure the lift has been placed in the exact operating position before spotting or drilling h
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