Presto Lifts XBP24-10 Use and Care Manual
Contents
1. CG 000 FIGURE 1 WBP SCISSOR LIFTS PRESTO OWNER S MANUAL Page 13 XBP amp WBP SERIES SCISSOR LIFTS RECOMMENDED SPARE PARTS LISTING XBP AND WBP 12 VOLT DC POWER ONLY Description 7 Pat amp usedon Model CYLINDER 1001 171 01 XBP24 15 WBP24 15 1001 171 02 XBP36 15 WBP36 15 1001 171 05 XBP24 10 WBP24 10 1001 171 06 XBP36 10 WBP36 10 HYDRAULIC POWER UNIT 1001 091 01 XBP24 10 XBP24 15 WBP24 10 WBP24 15 HYDRAULIC POWER UNIT 1001 091 03 XBP36 10 XBP36 15 WBP36 10 WBP36 15 1001 048 Cylinder P N 1001 171 01 amp 1001 171 CYLINDER SEAL KIT 1001 049 02 Cylinder P N 1001 171 05 4 1001 171 06 1 roller washer and clip 1000 200 06A All 36 Travel Series 80000123 All 36 Travel Series GELL CELL BATTERY C141C All Units CIRCUIT BREAKER KIT 1001 028VR All Units INTERNAL BATTERY CHAR 2800920 All Units GER 1 HAND PENDANT 80000294 All Units with Hand Pendants SWIVEL CASTER ASSEMBLY C101PH5 All Units RIGID PHENOLIC WHEEL C102PH All Units FLOOR LOCK 77248 7 All Units PRESTO OWNER S MANUAL Page 14 XBP amp WBP SERIES SCISSOR LIFTS FIGURE 2 ELECTRICAL SCHEMATIC 12 VOLT DC POWER XBP and WBP FUSED DISCONNECT BY OTHERS lu 115V MIT 1 lt x Note that on newer Hydraulic Power GREEN TO HAND OR M PH GROUND T nar Unit Motors that the White l2. d N KA 1 23 pS LIFTS SEEE worldwide material handling and ergonomic solutions XBP amp WBP Series Scissor Lifts Installation Operation and Service Manual Model Number Date placed in service IMPORTANT READ CAREFULLY BEFORE INSTALLING OR OPERATING LIFT Part orders are subject to a 50 minimum charge February 2015 This manual was current at the time of printing To obtain the lat est 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 PRESTO OWNER S MANUAL Page 2 XBP amp WBP SERIES SCISSOR LIFTS CONTENTS SECTION 1 eg eil re 4 Responsibility of Owners and USeTS sy 5 SECTION 2 cin A M 6 7 SECTION 3 Ir En O 250 Emm 7 8 A Uncrating and Inspection B Installing C Electricals D Hydraulics E Testing the Lift with No Load SECTION 4 0 0 2 31 9 ____ __ _ 9 Method Operating Instructions SECTION 5 EE Le 9 A Preparing to Charge a Battery B Locating the Charger C Precautions for Grounding an AC Power Cord Connection D Battery Charger Connection Precautions SECTION 5 isn 9 10 A Routine Maintenance B Troubleshoo
3. 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 e Do not exceed maximum rated load f Maintain load center of gravity within o of the center of the portable lift SECTION 5 BATTERY MAINTENANCE A PREPARING TO CHARGE A BATTERY 1 Be sure the area around the lift and the battery is well ventilated while battery is being charged 2 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 3 Carefully follow the manufacturer s recharging instructions that are provided with the battery If you do not have a copy of these instructions or the instructions for the battery charger they are avail able free of charge by calling Presto 1 800 343 9322 4 Read understand and follow all battery and battery charger manufacturer s specific precautions while working with and or charging batteries PRESTO OWNER S MANUAL Page 9 PRECAUTIONS FOR GROUNDING AN AC POWER CORD CONNECTION A DANGER Charger should be grounded to reduce risk of electric shock Charger is equipped with an electric
4. cord having an equipment grounding conductor and erounding plug The plug must be plugged into an outlet that is properly installed and grounded in ac cordance with all local codes and ordinances A DANGER Never alter the AC cord or plug provided If it will not fit the outlet have a proper outlet installed by a qualified electrician Improper connection can result in a risk of an electric shock 1 To charge the unit plug the charger into the 110 volt wall outlet The charger is pre wired to the battery 2 Disconnect the charger from the 110 volt wall outlet once the indicators read fully charged SECTION 6 MAINTENANCE Generally the XBP amp WBP DC Electric 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 Always service the lift in a down position A ROUTINE MAINTENANCE routine maintenance should be performed monthly and can be performed on the standard XBP amp WBP DC Electric Scissor Lifts in a lowered height position Before performing any maintenance disconnect the bat tery Then raise the top over its center position secure in place and perform the routine listed 1 through 7 XBP amp WBP SERIES SCISSOR LIFTS 1 Check oil level Add oil if necessary 2 Check rollers for signs of wear Replace if dam aged 3 Check snap ring and shield Replace if damaged 4 Check
5. 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 is evident 7 Bearings on these lifts are permanently lubricated and require no servicing Look for any signs of wear TROUBLESHOOTING MAINTENANCE LIFT WILL NOT MOVE 1 No operational noises a Check power switch 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 Oil shortage reservoir low or oil line failure Repair or replace 3 Motor overheats a Excessive cycle rate 15 per hour max b Low voltage check voltage at motor c Oil starvation check filter in reservoir LIFT OPERATING SLOWLY 1 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 single acting cylinders a Pinched hydraulic lines b Oil viscosity is too heavy 3 Lift raises then slowly lowers without power a Leaking hydraulic lines or fittings check for PRESTO OWNER S MANUAL Page 10 telltale oil spots b Check valve in pump may not be seating Requires new pump 4 Lift will not lower when energize
6. 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 identifica tions Please refer to these numbers when ordering parts or requesting further information The Presto Lifts XBP amp WBP DC Electric Scissor 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 XBP amp WBP DC Electric Scissor Lifts is designed for inplant nonhazardous location use only These units are not for personnel lifting PRESTO OWNER S MANUAL Page 4 XBP amp WBP SERIES SCISSOR LIFTS 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 Deflection It is the responsibility of the user purchaser to advise the manufacturer where deflection may be critical to the application Repairs All repairs shall be made by
7. qualified personnel in conformance with Presto s instructions Operators Only trained personnel and authorized personnel shall be permitted to operate the equipment Before Operation Before using the device the operator shall have e 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 examined and a determination made by a qualified person as to whether it constitutes a haz ard All items not in conformance with Presto s specification shall be corrected before further use of the equipment During Operation The device shall only be used accordance with this owner s manual Do not overload e 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 XBP amp WBP SERIES SCISSOR LIFTS 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 of the machine a
8. 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 materi als 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 and limited warranty obligations for products PRESTO OWNER S MANUAL Page 24 XBP amp WBP SERIES SCISSOR LIFTS m Presio mmc o V CR 5 TA 9550559 9 LET PRESTO MEET THOSE NEEDS Call Presto Sales for stock or customized lift inquiries 800 343 9322 Email sales prestolifts com C 2 1
9. ESTING 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 2 Using the controls provided briefly operate the lift 5 10 seconds If the lift begins to rise with a hum ming sound and functions properly continue to the full upright position NOTICE 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 on troubleshooting Section 8 3 After raising the lift completely lower the lift It should move slowly and smoothly with 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 PRESTO OWNER S MANUAL Page 8 SECTION4 OPERATION A METHOD OF OPERATION Electric All XBP amp WBP DC Electric Scissor Lifts are provided with a special relief valve and are factory preset for the maximum 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 sci
10. NSTRUCTIONS related instructions or procedures Green Background PRESTO OWNER S MANUAL Page 6 XBP amp WBP SERIES SCISSOR LIFTS ECTION 2 SAFETY The XBP amp WBP DC Electric Scissor Lifts are very powerful lifts capable of doing large amounts of work They contain scissor legs that are hydraulically actuated and are capable of causing serious injury or damage if adequate precautions are not taken DO NOT INSTALL OR OPERATE THESE LIFTS WITHOUT CAREFULLY READING THIS MANU AL In order to provide for the safe operation of these scissor lifts Presto Lifts Inc has identified certain haz ards that may occur during the installation maintenance and use of these lifts For safety reasons the standard amp WBP DC Electric Scissor Lifts are designed to be serviced or repaired in the lowered position If performed properly this will greatly reduce the pos sibility of injury Lifts with oversize table tops require special handling See Section 7 B SAFETY INSTRUCTIONS e Do not work under the table e All personnel must stand clear of the lift when the lift is in motion Do not put hands or feet under the lift table 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 capacity e Do not place load on a moving lift e Place loads in the center of the table and secure loads properly Do not perform any repair w
11. amp WBP SERIES SCISSOR LIFTS PARTS Standard parts may be returned with a 20 restocking fee 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 PRESTO OWNER S MANUAL Page 21 XBP amp WBP SERIES SCISSOR LIFTS RETURN MATERIALS AUTHORIZATION POLICY Presto Lifts provides the Return Materials Authorization RMA 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 RMA number This request must be made on or before the fifteenth calendar day follow
12. an Allen wrench C ELECTRICALS 1 The motors on XBP amp WBP DC Electric Scissor Lifts are special intermittent duty motors with high pull up torques These motors require heavier duty electrical controls than standard motors Do not attempt to modify or change the electrical circuit Any alterations will cause damage to the pump and possible physical injury Only authorized personnel should service the electrical system 2 For the XBP amp WBP DC Electric Scissor Lifts a battery charger is furnished with a short AC 120 plug A circuit of 15 amps or larger will suffice to operate the battery charger XBP amp WBP SERIES SCISSOR LIFTS D HYDRAULICS 1 Use only hydraulic oil for the lift The lift has been supplied with Conoco Super Hydraulic 32 When adding fluid use only the recommended oils 2 Before using the lift check the hydraulic oil level and add oil if necessary Check fittings for tightness Remove the solid plug on the reservoir and replace it with the vented plug provided If the plug is not installed you may damage the pump NOTICE amp WBP DC Electric Scissor Lifts are designed for normal factory environments Where below freezing 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 transmis sion fluids They may damage seals and could pose a Serious fire hazard E T
13. d a Down solenoid faulty Check voltage may be low or wrong voltage for coil Check continu ity of coil burned out b Pinched hydraulic lines C viscosity is too heavy ECTION 7 SERVICE A REPLACING CYLINDER SEALS Seal kits are listed on page 11 1 Lower the lift to its lowest position Then lift the top to its over center position and secure 2 Disconnect the negative battery terminal 3 Disconnect the hydraulic hose from the cylin der and cap the line to prevent hydraulic fluid loss 4 Loosen the set screws holding the cylinder pin 5 Remove the cylinder pin Lift the cylinder out of the lift NOTICE Hold the cylinder securely while removing the pin to prevent it from falling to the floor Clamp cylinder securely at the base end 8 Completely collapse cylinder piston 9 Push gland into the cylinder 1 8 3 16 10 Remove retaining ring 11 Remove piston rod piston and gland from cylin der 12 Remove rod nut piston and gland 13 Remove and replace seals and wipers XBP amp WBP SERIES SCISSOR LIFTS 14 15 16 17 18 19 20 21 22 Assemble piston and gland to piston rod Assemble rod nut to piston rod and torque to 100 ft Ib Lubricate piston and seals and install cylinder Insert retainer ring Install cylinder and hydraulic lines Fill reservoir a For the lifts serviced in lowered position lower tabletop completely Cycle li
14. defects in faulty material and workmanship for a ninety 90 day period from the date of invoice through Presto Lifts All other components have a limited war ranty against defects in faulty material and workmanship for a two 2 year period from the date of invoice and a 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 merchantability 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 components should become defective within the limited warranty period Proof of purchase is required for warranty The charge for shipping the defective component is the responsibility of the buyer and must be accompanied with an RMA number The shipping charge to return the component to the buyer is the responsibility of Presto Lifts Inc This limited warranty does not cover labor expense for removal or reinstallation of components after thirty days This limited warranty shall not cover among other things damages resulting from foreign matter or water failure to provide reasonable and necessary maintenance and if applicable use of product while charger is plugged into an AC outlet or failure to follow operating instructions The limited warranty is not
15. ead indi 60 HZ E WHITE iru cated in this drawing from the motor Sx F d K to S1 contacts may be Green and RECEPTACLE BATTERY CHARGER White the Black lead from the motor L2 AN to S2 contacts may be Blue and White the Green to Ground from the motor be Black RED BATTERY N CREEN 00 NOT CONNECT HYDRAUL 1 POWER UNIT MOTOR DO NOT CONNECT INDICATES WIRE CONNECTION IN THE HOUSING NTERNAL HAND CONTROL WIRING CONNECT I ON EE HAND CONTROL amp FOOT CONTROL USE SAME COLOR CODE PRESTO OWNER S MANUAL Page 15 XBP amp WBP SERIES SCISSOR LIFTS FIGURE 3 HYDRAULIC SCHEMATIC ALL MODELS BI DIRECTIONAL PUMPS These pumps are driven by reversible motors and are primarily used to power double acting cylinders both directions Locking checks that hold the load in either direction are standard DOUBLE ACTING CYLINDER CROSS CHECK VALVING FOR REVERSIBLE LOCKING CIRCUIT THERMAL RELIEF EE geng deeg THERMAL RELIEF VALVE 5 VALVE UP RELIEF VALVE SET 3400 PS Table 1 Hydraulic Oil Specifications lf the lift will be used at normal ambient temperatures Presto Lifts supplies the unit with Conoco Super Hydraulic 32 oil This may be replaced by any other good quality oil with 150 SSU at 100 F and rust and oxidation inhibitors and anti wear properties If the l
16. ement 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 is 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 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 PRESTO OWNER S MANUAL Page 23 XBP amp WBP SERIES SCISSOR LIFTS Presto Lifts Limited Warranty Policy Presto Lifts warrants all of its products against defects in the welded structural frame and if applicable scissor legs from faulty material and workmanship for a period of five 5 years from the date of invoice All batteries and battery chargers have a limited warranty against
17. ft 2 3 times adding oil if necessary Recheck reservoir oil level B REPLACING LEG ROLLERS Seal kits are listed on page 14 a For standard lifts lower lift to 1s lowest position Then lift the top to its over center position and secure b For lifts with an oversize platform it may be necessary to prop up the base frame slightly to allow the platform to hinge over center Disconnect electrical power Raise the leg assembly approximately 2 with a pry bar and support with block of wood 2 x 4 Remove retainer clips shield and rollers Clean and lubricate axle Replace with new rollers shields and clips Lower the tabletop completely PRESTO OWNER S MANUAL Page 11 XBP amp WBP SERIES SCISSOR LIFTS SECTION 8 IF THE LIFT TENDS TO CREEP DOWNWARD UN DER A LOAD a speck of dirt may be obstructing the TROUBLESHOOTING seating of the valve and allowing leakage To correct follow these instructions IF LIFT DOES NOT RISE TO FULL HEIGHT check for leaks or shortage of oil Maintain e Raise lift to full lifting height and then lower it the proper oil level To check oil level follow to lowest point of lift It may be necessary to do these instructions this five or six times In lowering the lift lower it in stages that is lower the lift six inches to a left hand side on top of oil well you will find foot at a time This will dislodge the dirt and lift a hexagon cap screw which 15 also a dipstick will o
18. ift will be used at ambient temperatures below use aircraft grade hydraulic oil Type 15 aircraft hydraulic oil is recommended The following are equivalent to CONOCO SUPER HYDRAULICS 32 TYPE MANUFACTURER EXXON MOBIL NUTO H32 EXXON MOBIL AMOCO AW32 CHEVRON AMOCO CO It is very important to keep the hydraulic oil free of dirt dust metal chips water and other contamination Most of the problems with hydraulic systems are caused by contamination in the oil PRESTO OWNER S MANUAL Page 16 XBP amp WBP SERIES SCISSOR LIFTS FIGURE 4 HYDRAULIC ARRANGEMENT for XBP24 10 15 ru o D PRESTO OWNER S MANUAL Page 17 XBP amp WBP SERIES SCISSOR LIFTS LOCATED OM ass a Y tg SECTION FIGURE 5 HYDRAULIC ARRANGEMENT for 36 10 15 n ET T T LT A LT A LT Ni km PRESTO OWNER S MANUAL Page 18 XBP amp WBP SERIES SCISSOR LIFTS FIGURE 6 ELECTRICAL ARRANGEMENT for XBP24 36 SECTION SECTION B B 25 24Y25 SPLICE gt 9 __ d in 3 His 9 EB S Ve ADAE eo O00009 PRESTO OWNER S MANUAL Page 19 XBP amp WBP SERIES SCISSOR LIFTS FIGURE 7 ACP PORTABLE KIT CASTER WP for XBP24 A A SECTION FROM FLOOR WHEN RETRACTED 35 1 16 APPROX PRESTO OWNER S MANUAL Page 20 XBP
19. ing 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 Customer Service reserves the right for final judgment on all product returns The RMA number must appear on the outside of any packaging material for a return to be accepted and processed by Presto Lifts Customers shipping returns from the Continental US Canada or Mexico have thirty 30 days from date of RMA 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 Page 22 XBP amp WBP SERIES SCISSOR LIFTS 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 replac
20. nd 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 2535 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 gt 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 D A N 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 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 I
21. ork on lifts if there is a load on the platform or with the table in a raised position SECTION 3 INSTALLATION A UNCRATING AND INSPECTION Upon receipt ofthe XBP amp WBP DC Electric Scissor Lifts 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 PRESTO OWNER S MANUAL Page 7 Not use the lift if there appears to be any damage With the lift in a collapsed position check the following NOTICE Lifts with oversize table tops must not be over ex tended since doing so may disassociate the cylinder base from its socket See Section 7 B Check for signs of damage especially to the electrical and hydraulic components Check all connections for tightness Check for bent damanged metal parts Check base frame for flatness NOTICE When moving the lift do not attempt to pick it up by the table top The lift should be picked up by its base only B INSTALLING Before starting be sure that the battery is connected Read all of the instructions prior to starting the lift 1 Handle Assembly a Portable lifts have the push handles removed for ease of shipping Handles should be inserted in the holders until they bottom out then tighten set screws on each holder with
22. perate properly e Remove the cap screw and fill oil well with hy draulic oil Oil should reach notch on dipstick TROUBLESHOOTING MAINTENANCE ELECTRIC Probable Cause Lift will not move Loss of power Check power switch or battery and charger w no motor noise Motor failure Check voltage at motor Lift will not move with Overloaded lift Check load motor noise Motor Low voltage at motor battery low Oil starvation Check oil reservoir Motor overheats Excessive cycling rate Check cycle rate 15 cycles per hour maxi mum Low voltage Check voltage at motor Up cycle slow starvation Check and fill reservoir Oil viscosity Check oil viscosity and replace if necessary Air in cylinder system Purge system by cycling several times to full extension and retraction Down cycle slow Blockage in hydraulic line Check for pinched lines Oil viscosity to heavy replace Oil contaminated replace Lift raises then lowers Check valve leaking Remove and clean slowly Down valve leaking Hemove and clean Leaking fitting Check fittings and lines for telltale oil spots PRESTO OWNER S MANUAL Page 12 XBP amp WBP SERIES SCISSOR LIFTS XBP and WBP SERIES PROD ge L COMPONENT IDENTIFICATION __ See Standard Parts Chart Hydraulic __ See Standard Parts Chart Hydraulic Hoses and Down Phenolic Swivel Caster Assembly 5 Hand Pendant Starter Solenoid 23 A 4 1
23. ssor 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 De pressing 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 con trol This allows the lift to lower smoothly and at a controlled speed NOTICE Do not attempt to change the setting on the pres sure relief valve Do not maintain the up or down button energized if the lift fails to move or after it has reached its up or down limits This will cause damage to the pump and controls B OPERATING INSTRUCTIONS In order to operate the lift follow these operating pro cedures Read and understand all the instructions before operat ing If the lift has modifications or accessories read and understand their functions 1 Load the lift correctly Portable lifts Place the load on the center of the table top The load center of gravity must be within 6 of the lift table top center and equally distributed over 80 of the table If the load is unstable or may become unstable fasten it into position XBP amp WBP SERIES SCISSOR LIFTS 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
24. ting Maintenance SECTION 7 10 11 A Replacing Cylinder Seals B Replacing Leg Rollers SECTION 8 IO LIST OF FIGURES XBP WBP Product Illustration Figure Ji 13 Recommended Spare Pate LISI EN 14 Electrical Schematic for 12 Volt DC XBP WBP Figure 2 15 Pay Gena Up eeh 16 Hydraulic ARR XBP 24 10 15 Figure Ai 7 Hydraulic Schematic for X BP 36 10 15 Figure Edge radi enda Aaa 18 Electrical ARR for XBP 24 30 Figure 60 19 ACP PORTABLE KIT CASTER WP FOR 24 Figure 7 20 PRE TOC EIN TEOLO 21 RETURN MATERIALS AUTHORIZATION RMA PROCEDURES eere 22 ORDERING REPLACEMENT PARI S 23 WARRANTY _ _______ __6_ _ 24 PRESTO OWNER S MANUAL Page 3 XBP amp WBP SERIES SCISSOR LIFTS 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 s XBP amp WBP DC Electric Scissor Lifts It is important that all personnel involved with the installation maintenance or opera tor 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
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