XL, X3W & X4W Series Scissor Lifts with Tilt
Contents
1. pma EE 2 TENES oe k _ 4 E 16 E i 1 2 Was i ORC i e Ps i 1 E Um r sx P ma 11 v i h k Ls a a er CNN 1 HIMEL ERD 12113 13 0 TLE 225 701 75 12034458 1 4 0 SPLIT IBDSOP 160 100 amp PSL3TA ii 2 6 EA M PIN RB 1 0004 50 1 9 Ea T PF wu TILT 00748 00 STE H 82000710 TL H ABB x n 1197 1P 38m BHII a LAG AMG 2 0002 001 1712 DU 1097 06 11 EA EL PB STEM WT 8 moas B FEF EL 115 AC HO XFME TELA EEE 1 0 EA TF LIFT 90008177 y HF PU GV b 0902155 2 10 GA Ht FATE TP 8800106 1 0 EA ASST 29 11 8002174 is EM PETI Page 20 PRESTO OWNER S MANUAL XL X3W amp X4W SERIES FIGURE 10 X3WT36 S it Plain View Shown with lift fully lowered amp partial view of tilt top in phantom AUT HE TILT TOF FAST Co n ER Yi ZEE Tek THIS HELE 4f ES TE T KEEF LT Him FIT2. 25 ORDERING REPLACEMENT PARTS 26 W dddudb O 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 positioning a variety of loads WHERE UNIQUE SITUATIONS ARISE THAT ARE NOT COVERED IN THIS MANUAL CALL PRESTO LIFTS FOR FURTHER INSTRUCTIONS The XL X3W or 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
3. JA A e 3 pa y N z m y BR 3 s LIFTS Presto worldwide material handling and ergonomic solutions XL X3W amp XAW Series Scissor Lifts with Tilt Installation Operation and Service Manual IMPORTANT READ CAREFULLY BEFORE INSTALLING OR OPERATING LIFT Part orders are subject to a 50 minimum charge September 2015 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 SECTION 1 Ji il Ope 4 Responsibility or Owners and User uuu uuu 5 Safety Alert Symbols and Signal Words 6 SECTION 2 lcd 7 SECTION 3 S n ID DIEI UP 8 zx lir T 8 BD a PUE 8 Pl 0 E 8 Tes 9 E Testne Lip ut 9 SECTION 4 CU 9 As MeNOd O ODEON 9 Qiu 9 SECTION 5 D 10 A 10 B Trioublosh uns NIAI BOIS eie vU 10 SECTION 6
4. Susu 11 A Repidome Cylinder 11 Jl pi Leo Rolle Sac use oH EIDEM 12 LIST OF FIGURES Figure 1 Maintenance Chock 11 Ji Oo ISO WIG PUES 13 Figure 3 Exposed Cylinder Assembly 15 Figures Exposed Power 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 0 18 Figure 8 Labeling Diagram for all Models 19 Figure 9 X4WT36 20 20 WO L c HE EEM 21 Figure 11 Wiring Diagonal 115 no Transformer 22 Figure 12 Plumbine 23 RECOMMENDED SPARE PARTS LIST 14 BESTOCRING 24 RETURN GOODS AUTHORIZATION RMA PROCEDURES
5. Fill reservoir 21 a For the 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 necessary 23 Recheck reservoir oil level FIGURE 1 MAINTENANCE CHOCK PRESTO OWNER S MANUAL XL X3W amp X4W SERIES Page 11 REPLACING LEG ROLLERS Seal kits are listed on page 11 1 For standard lifts lower lift to 15 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 the 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 6 For 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 XL SCISSOR LIFTS ij lt M A T1 lt DESCR
6. TILT UP 4 1 amp B Jr 2 we TILT 1 22 PRESTO OWNER S MANUAL XL X3W amp X4W SERIES FIGURE 12 PLUMBING SCHEMATIC LIFT CTLINDERS TILT CYLINDER EYLINDER VENT LINE CTLIRDER WERT LIRE LU Dm 4 PRESSURE COMPENGATED i Y oJ FIXED FLOW CONTROL PRESSURE COMFERSATEL 1 2 1 LOAD VALVE STSTEM RELIEF _ DON SOLENOID FALE PRESTO OWNER S MANUAL XL X3W amp X4W SERIES Page 23 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 P
7. be inspected and maintained in proper working order 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 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 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 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 e
8. ii TE 27 TE COMMECTED 10 SOLESINI ALTE NCTE P amp HE MAE L XX Bu IEEE LATE FF HE TET 15 27 nM h HILL FIEP i i 1 0 HT FTE ADPTR RE 215077 15 4 0 F TUBE 44 P RL 1 4 H115 200XP 14 1 0 EX CABLE TIE TT 24H 2498004 13 1 0 EA SPR HARDNRPE 21 062 069 018 01 BE 12 RF e oss 11 1 0 Ea er FTE MEE 2405 s n TT ERDE CIO rri 7 Ee HY FTG ADPIA 242104 amp REF BE BU U0 1 004 O s OTST a EE BL Gan tenure LO 2302 4 0 ER SCREW 507 55 STL 25 204 57 0525 2 1 0 La ww 1 1 0 Ea EY SIME ACTING WA TCD 21235 5000 MOO B sumeret CFESA FTU p PRESTO OWNER S MANUAL XL X3W amp X4W SERIES Page 21 FIGURE 11 WIRING DIAGONAL 115 AC NO TRANSFORMER MOTE GROUND CONNECTIONS NOT SHOWN USE PROPER GROUND PROCEDURES FUSED DISCONNECT BY OTHERS x 1 Bw 2 2 RECEFT amp ELE LIFT UF 4 4 2 MOTOR 3 COKTACTOR NP 3 LIFT 004 y 5 5 vaLvE i 21
9. 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 Ifthe lift is provided with anchor holes or brackets be sure the lift has been placed in the exact operating position before spotting or drilling holes 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 c
10. ALI 3455344 MEINEN vA QVO ddl ld Bd1ISAS Page 18 PRESTO OWNER S MANUAL XL X3W amp X4W SERIES FIGURE 8 LABELING DIAGRAM for all MODELS MATH SY Tl 53015 HBL DM 3 11207 JL LESSE TH AIL 31001 4 HOH 335 354H HL SLO HIN THN 31015 H3 3598 WO THM OL 320 MADIE FF UXAH 3 93019 MQ UH AGL la 108 TE usw JAH m3 AIH 5817 DM HT A iid di RN MI uta MAD P uer IH mi h XY X P y 2l 7 4 7 TET Rea EE ERIS r AN fcr D RE ELE JBL UNE mal edu IN IN d HOJE iH JMOd Lat l2J3NNO2JSIG NH seg WILLE MD OM 2 WAW 781 0002 2 I ACTA nl LL HiWId HELI OM AILI 314411 HHHH Ui 39 01 5 TORT 10901025 ot 1F SY 93015 Ma 1230 ALT ON INHY ATF PRESTO OWNER S MANUAL XL X3W amp X4W SERIES Page 19 FIGURE 9 X4WT36 20 48 3 8 LOFT Bate 48 17 LEFT TOP TILT BASE W 53 13 4B TIP esu uus 0 i crPcrrrn cr al n
11. IPTION Foot Control Down Solenoid Coil Pump Motor Roller Suction Line Pressure Line Control Panel Fill Plug 10 Upper Roller 11 Cylinder 12 Vent 13 Roller Chock GO gt WO N PRESTO OWNER S MANUAL XL X3W amp X4W SERIES Page 13 RECOMMENDED SPARE PARTS LISTING Description Part amp Used On 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 All 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 E255R 1HP 1PH All 24 Travel Series All 36 Travel Series with 2000 3000 and 4000 Capacities E255T 1 5 HP 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 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 Cylinder Seal Kit For All 4 bore Diameter Cylinders Reservoir 1000 196 02VR All 48 Travel Units 1022 025VR All 24 Travel Units Reserv
12. 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 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 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 is nontransferable This constitutes the complete and final agreement involving Presto Lifts an
13. STHL 123 02 193NNO9SIQ 093513 033 39V1 10A Add lS ZHO9 Hd b AOEC 802 JA WA 00 XL X3W amp SERIES Page 16 PRESTO OWNER S MANUAL 460 3 60 POWER with PIG TAIL 220 WIRING SCHEMATIC 208 FIGURE 6 HN vn HOT JAWS 15 063 JUISUTUM3 JHL MI MUILZ3NHUS 3HIM 53190791 X ONS TS FATWA 00 2 LON AT FIT 1938403 TANDA S OOF Y 631 SCHL HOLLOW es LINN WR RN d el T ONISIM LJJA EI 0351 MOT 103HMN11 OHM 2005 Y OL TMa 43925 9 334 357 LON SHOTLOSNNO 040653 TOWING APZ Hs AGEL 50 JY SNOTLOINNO THING 1003 SAHLE 30 CX FL OA A 19415 1339907 803 UMN 59 Saddi IAF 093 1538803 192400511 03513 fEl AHL OA 19415 4 21 HOS Hd EADS Ore BOE 11 JLEHA ATA PRESTO OWNER S MANUAL XL X3W amp X4W SERIES Page 17 FIGURE 7 HYDRAULIC SCHEMATIC for all MODELS wA 01043105 NI 1041402 074 D ings 4 35 4 1120134 4 ON i NE ME TE Lue conte du zl INIT INIA SJCONI TAD 31VSMJd
14. WNER 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 c 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 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 Check 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 15 evident 7 Bearings on these lifts are permanently lubricated and require no servicing Look for any signs of wear 8 Check that all pre cautionary labeling 15 in place and legible Replace damaged labels immediatel
15. d limited warranty obligations for products PRESTO OWNER S MANUAL XL X3W amp X4W SERIES Page 27 MANY NEEDS REQUIRE MANY OPTIONS Call Presto Sales for stock or customized lift inquiries 800 343 9322 Email sales prestolifts com
16. ergized 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 l Lowerthe liftto 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 1s an up position To position lift in the up position follow instructions for routine maintenance 5 a e 95 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 Lift the cylinder out of the lift Hold the cylinder securely while removing the pin to prevent it from falling to the floor 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 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
17. hat will result in severe personal injury or death Hazard or unsafe practice that could result in severe personal injury or death A CAUTION 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 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 following 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 Inspect for any bent or damaged metal parts B INSTALLING Before starting be sure that the electrical system 15 wired and is in full compliance with local electrical codes and
18. ll 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 or moderate injury Yellow Background NOTICE is used to address practices not related to personal NOTICE 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 2 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 provided 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 t
19. nd 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 c 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 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 SECTION 5 MAINTENANCE Generally the XL X3W or X4W Series Scissor Lifts require very little maintenance Reasonable care will result in excellent trouble free performance 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 O
20. oir 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 3 Reservoir 4 Fill Plug 5 Control Box PRESTO OWNER S MANUAL XL X3W amp X4W SERIES Page 15 WIRING SCHEMATIC 115 1 60 power with 20 AMP PLUG FIGURE 5 1102 80102 3 5 350 1041802 1003 10 1 02 SNOIIO93NNOO VNH3lNI 010 3105 00 83184715 YOLOW Xov 1g Ndl 397110 AlddNS 1238802 ns 13810038 SY SUNN 00 0 31 SIHL 193NNO2 1081302 1003 QNYH 01 dr ZH 09 LINN HIMOd uN gt Hd AO0t2 802 YOY 18i mm ie WVYOVIG 9NISIM SU3HI0 A8 123 05510 03504 10 81 02 1003 QNVH NOTL1293NNO2 ANNOY 0009 V OL 13NVd NI 3825 NIONNOYI 3345 350 NMOHS LON 5 01123 02 0 0089 310 LX 40 0 315 1 X TWNIWYSL 350 1081 02 Abe 301 1031402 ASLL 803 NMOHS 34V SNOII93NNOO YANYOISNVUL 39V110 14405 1238802 803 03811038 SV SYIMNF 00 QV31
21. ontained 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 gt 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 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 PH 1 HP 240 Volt 1 PH FUSE BREAKER 25 AMP 20 AMP 25 AMP 20 AMP 1 1 2 HP 208 20 Volt3 15 AMP 1 1 2 HP 460 Volt 3 PH 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 a
22. quipment shall be made only with written permission from Presto PRESTO OWNER S MANUAL XL X3W amp X4W SERIES Page 5 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 identified which may occur in the use ofthe 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 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 A G R wi
23. ranty 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 and if ap plicable scissor legs from faulty material and workmanship for a period of five 5 years from the date of invoice All 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 is 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 15 the responsibility of the buyer and must be accompanied with an RMA number The shipping charge to return the component to the buyer is the responsibility of
24. resto 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 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 transit Return addresses please refer to your RMA for the address to which your product should be returned Pres
25. to 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 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 1s located within the scissors mechanism To order replacement parts please call the Presto Parts Department Parts are shipped subject to the following terms e 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 repair parts is 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 war
26. top 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 mum safe capacity of the lift Activating and holding the up switch will energize the motor The motor 15 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 1 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 preset 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 If the lift has modifications or accessories read and understa
27. uthorized qualified personnel should service the electrical system D HYDRAULICS 1 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 CAUTION 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 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 s
28. y See Figure 8 B TROUBLESHOOTING MAINTENANCE LIFT WILL NOT MOVE 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 4 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 Oil starvation check filter in reservoir LIFT OPERATING SLOWLY Up cycle a Oil 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 and clean Check oil condition replace if dirty b Pinched hydraulic lines Oil 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 en
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