XF, WXF & XP, WXP Series
Contents
1. Description Part Used on Cylinder 1001 171 01 XP24 15 1001 171 02 XP36 15 1001 171 03 W XF24 10 amp W XF24 15 1001 171 04 W XF36 10 amp W XF36 15 1001 171 05 XP24 10 1001 171 06 XP36 10 Cylinder seal kit Contact Parts Dept with model amp serial number of machine Roller kit 1000 067VR All Wheels Swivel Caster w 5 x 2 Wheel C101PH5 All XP Swivel Caster w Cam Brake LH C101PHSL L All XP Swivel Caster w Cam Brake RH C101PH5L R All XP 5 x 2 Wheel Assembly C102PH All XP Foot Pump see fig 2 1010 024 Pump Body 1010 025 All XP XF Pump Spring 1010 009 01 Pump Clip M404 Pump Fulcrum Pins 1010 008 Pump Lever Assembly 1010 007VR Foot Lever M436 Foot Lever Pad M437 Release Rod assembly 1010 017 01 XF24 XF36 WXF24 WXF36 1010 017 02VR XP24 XP36 WXP24 WXP36 80001612VR All XP WXP 80001614VR All XF WXF Down Flow Valve 1010 019 01 All XF WXF XP WXP 2533080 All XF WXF XP WXP Black Knob 1010 019A All XP XF Floor lock 71248 6 All XP WXP Prior to 10 6 04 10 6 04 and later PRESTO OWNER S MANUAL XF amp XP SERIES Page 13 FIGURE 2 1010 024 FOOT PUMP ASSEMBLY TEM NO PART NO DRW NO OTY DESCRIPTION 1 1010 007VR 1010 007 1 LEVER ASSEMBLY 2 M4a36 _ 48 1 FOOT LEVER 3 M437 J49 1 FOOT LEVER PAD 4 1010 009 01 1010 009 1 COMPRESSION SPRING 5 1010 008 45 1 LEVERPIN o oo2. Faulty Flow Control Valve Replace Lift raises then Pump Remove check ball and spring Inspect slowly lowers valve seat Clean and replace Leaking fitting Check fittings and lines for telltale oil spots Faulty flow valve 3 ECTION 7 TROUBLESHOOTING 1 On right hand side of caster plate you will find a square head plug e Remove the plug and fill oil well with hydraulic oil Oil level should be between 3 4 to 1 from the top 2 Priming Hydraulic system e Remove item 6 lock rings and remove item 5 lever pin See Fig 2 Place a screwdriver through hole in top of pump where item 5 lever pin was installed in top of pump Cycle pump by pulling the pump shaft up and then push back down until pump is primed This may require several cycles to prime pump Reassemble foot pump in reverse order 3 If the lift tends to creep downward under a load A speck of dirt may be obstructing the seating of the valve and allowing leakage To correct follow these instructions e Raise lift to full lifting height and then lower it to lowest point of lift It may be neces sary to do this five or six times In lowering the lift lower it in stages that is lower the lift six inches to a foot at a time This will dislodge the dirt and lift will operate properly e If this does not correct the problem replace valve Page 12 PRESTO OWNER S MANUAL XF amp XP SERIES STANDARD REPLACEMENT PARTS
3. 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 is 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 e Returns only with the approval of our parts department e Credit cards preferred except parts covered by warranty e Freight collect for truck except parts covered by warranty e Freight prepaid and invoice for small parcel shipments except parts covered by warranty e 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 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
4. ag LIFTS Presto worldwide material handling and ergonomic solutions XF WXF amp XP WXP Series Foot Pump Operated Scissor Lifts Installation Operation and Service Manual Model Number Serial Date placed in service IMPORTANT READ CAREFULLY BEFORE INSTALLING OR OPERATING LIFT Part orders are subject to a 50 minimum charge September 2015 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 CONTENTS SECNHONAANEOJECNO a a a A do AAAA bases oa je Za aaa ana a 4 Responsibility of Owners and USCIS ane a o ah nona ea oa aaa oO 5 Safety Alert Symbols and Signal WOTJS adasia OPEC AAAA CAE A 6 SECTION Z AO eat A AO AIRA AO ee eee en ee 7 SECTION Se AMO O oe EO O dO OO OE 8 A Uncrating and Inspection aso OWE WAP OO oba ana a aa ea 8 B PS NT eres reese AO ea A eee eames 8 EMEN E e E ROZ ee een ee enn ree eee ee enn eee 8 D eS Ta INO GOA no a A AE r E A EO E A pO 9 SEC THON 4 OPErat ON Radca oi ode O EAZA A SAY 9 As Mehod Ol OCT NOM nA AA AARONA 9 BZODOTANONPTOCCAMES aaa AA AO O IE ORAN 9 SECNONOS MINI NIN ESA SE Ea OE E AO SGO 10 DRONI A EEEE GRA 10 BRON NOCKI aa AO crs AAAA AOR 10 SE NONO IVICA are ee RAPA ve o o Rea ACE 10 A Replace me C ynder o SR A dia 10 B Re
5. 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 NJ Immediate hazard that 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 XF XP SERIES Page 7 and lowered by scissor legs which are powered by a foot operated hydraulic pump and cylinder assembly Therefore great care must be exercised during the installation operation and maintenance of the lift DO NOT INSTALL OR OPERATE THIS LIFT WITHOUT FIRST READING AND UNDERSTANDING THIS MANUAL In order to provide for the safe operation of the scis sor lift Presto Lifts has identified certain hazards which may occur during the installation maintenance and use of these lifts For safety reasons the XF amp XP Series lifts with standard tabletop are designed to be serviced in a collapse
6. 6496 Email service PrestoLifts com www PrestoLifts com Page 22 PRESTO OWNER S MANUAL XF amp XP 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 reguest an RGA number This reguest 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 In
7. NOT COVERED IN THIS MANUAL CALL PRESTO LIFTS SERVICE DEPARTMENT FOR FURTHER ASSISTANCE The XF and XP Series Scissor Lifts have lift capacity of 1000 Ibs and 1500 Ibs The lift is raised Page 4 PRESTO OWNER S MANUAL XF amp XP 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 in conformance with Presto s instructions Operators Only trained personnel and authorized personnel shall be permitted to operate PowerStak Before Operation Before using the device the operator shall have e Read and or had explained and understood the manufacturer s operating instructions and safety rules e Inspected the device for proper operation and condition Any suspect item shall be carefully ex amined and a determination made by a qualified person as to whether it constitutes a hazard All items not in conformance with Presto s specification shall be corre
8. holes in the base It is recommended that stationary lifts be bolted in place see figure 4 Lifts with oversized tabletops must be secured to the floor with 4 anchor bolts with a minimum of 1000 Ibs pullout strength for each bolt C HYDRAULICS 1 Use only hydraulic oils for these lifts The lift has been supplied with Conoco Super Hydraulic 32 When adding fluid use only the recommended oils listed in Table 1 2 Before using check oil level and fill 1f necessary Check fittings for tightness See Troubleshooting see Section 7 XF XP Scissor lifts are designed for normal factory environments Where low or below freezing temperatures may occur special fluid must be used consult service department Do not use automotive hydraulic brake or transmission fluids They will damage seals and pose a serious fire hazard D TESTING THE LIFT WITH NO LOAD 1 Before testing the lift clear the area of packaging and loose material Be sure there are no obstructions above the lift Turn flow control knob clockwise and counter clockwise to verify proper installation clockwise will reduce flow and close the valve With the valve partially opened 1 2 turn pump the pedal several times The unit should rise If the lift does not rise review procedures If necessary consult Troubleshooting see Section 7 Do not over tighten the flow control knob It may cause damage to the needle valve seat or strip the control knob
9. 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 and limited warranty obligations for products Page 24 PRESTO OWNER S MANUAL XF amp XP SERIES MANY NEEDS REQUIRE MANY OPTIONS Call
10. Presto Sales for stock or customized lift inquiries 800 343 9322 Email sales prestolifts com
11. R S MANUAL XF XP SERIES When moving the lift do not attempt to pick it up by the tabletop The lift should be picked up by the base only B INSTALLING 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 the set screws on each holder with an allen wrench see figure 3 b Stationary lifts have a stability handle The stabil ity handle is installed using the bolts nuts and lock washers provided c Foot operated lifts have a control knob rod as sembly and foot pedal which must be attached To attach the control knob and rod remove the knob and insert the rod through the guide on the handle Place the adapter end of the control rod over the shaft Lock in place using the Allen set screws provided Now replace the knob on the rod and secure with the Allen screws provided see figure 3 The control rod guide must line up vertically with the flow control shaft To attach the pedal insert pedal shaft in pump holder and bolt in place with bolts provided 2 FLOORINSTALLATION a The floor im the installation area should be flat stable and free from debris and surface defects b Place lift in exact operating position Make sure the complete base of the lift is in contact with the floor Where there is no contact base may be shimmed or grouted to make contact c All stationary lifts are provided with anchor
12. ange 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 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 T Blue Background SAFETY SAFETY INSTRUCTIONS or equivalent signs indicate safety INSTRUCTIONS related instructions or procedures Green Background Page 6 PRESTO OWNER S MANUAL XF amp XP 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 provided appropriate instructions or precautions that should be taken to avoid these hazards In some cases Presto Lifts
13. c 715 Highway 77 Manila Arkansas 72442 Telephone 800 343 9322 Fax 888 788 6496 PRESTO OWNER S MANUAL XF amp XP SERIES Page 23 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 and 30 day limited warranty on labor Please note that prior authorization from Presto Lifts is reguired 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 RGA number The shipping charge to return the component to the buyer is the responsibility of Presto Lifts Inc This limited warranty does not cover labor expense for removal or reinstallation of components after thirty days This limited warranty
14. cted before further use of the PowerStak During Operation The device shall only be used in accordance with this owner s manual e 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 XF amp XP 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 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 For use with DANGER signal word Red Background For use with WARNING signal word Or
15. d position Lifts with oversized tabletops require special handling See Section 5 Maintenance Do not perform any repair work on lifts with a load on the platform or with the table in a raised position All personnel must stand clear of the lift when table is in motion Do not put hands or feet under lift table Do not work under table without securing lift Do not stand sit or climb on the lift Do not use the lift on soft uneven or unstable surfaces Do not exceed load capacity Do not place load on moving lift Place loads in center of table and secure loads properly Do not raise or lower lift while maneuvering Do not lower foot pump operated lifts quickly or with jerky motions SECTION 3 INSTALLATION A UNCRATING AND INSPECTION The XF amp XP Scissor Lifts have been specially pack aged to prevent damage in shipment Upon receipt of the lift uncrate following the special instructions attached to the lift s outer sleeve With the lift in a collapsed po sition carefully raise the top to its over center position see figure 6 secure in place then check the following Lifts with oversized tabletops must not be overex tended since doing so may disassociate the cylinder base from its socket See Section 5 Maintenance 1 Check for signs of damage especially to the cylinder and hydraulic hoses 2 Check connections for leaks and tightness 3 Inspect for bent or damaged metal parts Page 8 PRESTO OWNE
16. der packing kit Call parts dept with the model amp serial number of machine ITEM NO DESCRIPTION QUANTITY LOCKNUT CAPLUG RETAINING RING WEAR RING ROD WIPER U CAP TYPE D BACKUP RING BACKUP RING O RING O RING BARREL ASSEMBLY PISTON ROD ASSEMBLY GLAND mah mah mah mh mah mah mh mah mah mh mah mah mh mh PRESTO OWNER S MANUAL XF amp XP SERIES Page 17 FIGURE 8 _ HYDRAULIC SYSTEM UNDER CASTER PLATE Prior to 10 6 04 and S N V13556 VALVE TUBE FITTING FITTING TUBE CONNECTOR FOOT PUMP Page 18 PRESTO OWNER S MANUAL XF amp XP SERIES FIGURE 9 HYDRAULIC SYSTEM UNDER CASTER PLATE After 10 7 04 and S N V13556 TO LOWER PORT ON CYLINDER 10030028 NUT CASTER PLATE 2411117 FERRULE TUBE 2411111 NUT TUBE Call with S N HOSE ASSEMBLY 2533080 VALVE 30000228 TUBE H103B 02 FITTING H103B 01 FITTING H115 2000P 3 FT TUBE H102B 2000 1 CONNECTOR 1010 025 1 FOOT PUMP Call with S N 1 TUBE PRESTO OWNER S MANUAL XF amp XP SERIES Page 19 TABLE 1 Hydraulic Oil Specifications If 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 lift will be used at ambient temperatu
17. earings on all lifts are permanently lubricated and under normal usage require no servicing C TROUBLESHOOTING FOOT OPERATED see page 9 SECTION 6 SERVICE A REPLACING CYLINDER SEALS Seal kits are listed on page 10 1 Lower the lift to its lowest position 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 in structions for routine maintenance 5A a c 3 Disconnect the hydraulic hose from the cylin der and cap the line to prevent hydraulic fluid loss re KO COS roji ME NE SE 13 14 15 16 17 18 19 20 dl 22 B Loosen the set screws holding the cylinder pin Remove the cylinder pin Lift the cylinder out of the lift Hold the cylinder securely while removing the pin to prevent it from falling to the floor Clamp cylinder securely at the base end Completely collapse cylinder piston Push gland into the cylinder 1 8 3 16 Remove retaining ring Remove piston rod piston and gland from cylin der Remove rod nut piston and gland Remove and replace seals and wipers 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 in cylinder Insert retainer ring Install cylinder cylinder pin set screws and hydraulic lines Fill
18. from the shaft assembly To lower lift open the control valve slowly by turning the knob counterclockwise and observe lift lowering speed The greater the turn the greater the lowering speed SECTION4 OPERATION A METHOD OF OPERATION FOOT PUMP The XF amp XP scissor lifts are equipped with a pump assembly and individual flow control mechanism To raise the lift close the flow control knob clock wise Depressing the foot pedal fully will pressurize the cylinder This will cause the cylinder to extend The scis sor will separate and thereby raise the tabletop When the foot pedal is released a spring will return the pedal to its original position and a check valve built into the pump will hold the table in an up position The spring return stroke draws oil from the reservoir through a check valve keeping the oil in the piston preparatory to its next lifting stroke To lower the lift the fiow control is opened by turn ing the knob counter clockwise slowly Opening or closing the fiow control valve quickly will cause impact loading which more than doubles the load effect on the lift and can cause serious damage B OPERATION PROCEDURES In order to operate the lift follow these operating pro cedures 1 Read and understand all the instructions before op erating If the lift has modifications or accessories read and understand their instructions 2 Load the lift correctly a Portable lifts Place the load
19. on the center of the tabletop The load center of gravity must be within 6 of the lift tabletop center and equally distributed over 80 of the table b Stationary lifts Place the load on the center of the tabletop The load center of gravity must be within 8 of the lift tabletop center and equally distributed over 80 of the table c If the load is unstable or table may become un stable fasten it into position d For side and end loads see derating chart Table 2 PRESTO OWNER S MANUAL XF amp XP SERIES Page 9 3 Operate the lift foot pump a To raise lift close flow control valve and pump foot pedal b To lower lift open flow control valve carefully 4 Wait until the lift has come to a complete stop before unloading lift 3 Stand clear of lift when operating it in order to avoid injury e Do not stand sit or climb onto the lift e Do not load or unload a moving lift e If the lift fails to move or exhibits strange movement or sound stop immediately e Do not operate the lift until it has been checked and repaired e Obey all warning labels e Do not exceed maximum rated load e Maintain load within 80 of the lift platform area The center of gravity of the load must be located within 6 of the center of the platform for portable lifts and 8 for stationary lifts SECTION 5 MAINTENANCE Generally the XF amp XP series scissor lifts will require little maintenance However rou
20. placing Ler RONEM oai o O AE AOR AEO ana ee 11 SECTION Z Troubleshooting ai AEO AAA AGO A AAAA 12 A Standard Replacement DENA ERM ME NE A MA TERN 13 LIST OF FIGURES Pe Na ale SC CN naa A OE R E AA 8 P2 FOOEPUMDAGS ele a a i AAA A AE AE RE VR IE AMI 14 Fig 3 Handle Caster Plate Assembly aaa ae AE OTACZA PEACE i S GANO BOD CIE zaa AAAA eee UE OE AAA 15 FOO EL Gl GUC SCM NAIC aa a E SOO RE OOO AOI EVE IE 15 Fie 6 Ma NE PO O w ei e A O o Ai akne ena 16 PeF HG ii s NO PE 17 Fig 8 Hydraulic System Under Caster Plate Prior to 10 6 04 18 Fig 9 Hydraulic System Under Caster Plate After 10 7 04 19 Table 1 Hydradlic Oil Specifications zac AO OLA 20 RE OC ENG OY ae OO A E a aa ano ZO 21 ORPEROGREFPLACEMENT Na EZ erdie oni 22 RETURN GOODS AUTHORIZATION POLICY 23 WARRANTY OO ECCE 24 ECTION 1 INTRODUCTION The Presto XF dz XP Series Lightweight Scissor Lifts are designed for use in most manu facturing and assembly environments They provide lifting lowering positioning and transporting of a wide variety of materials and components They are available in portable and stationary models with foot pump operation The Scissor lift has a nameplate which provides the load rating serial number and model identification Please refer to these numbers when ordering parts or reguesting further infor mation WHERE UNIQUE SITUATIONS OR APPLICATIONS ARISE WHICH ARE
21. res below O F use aircraft hydraulic oil Use Type 15 aircraft hydraulic oil The following are equivalent to Conoco Super Hydraulic 32 TYPE MANUFACTURER EXXON MOBIL EXXON MOBIL 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 Page 20 PRESTO OWNER S MANUAL XF amp XP SERIES 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 XF amp XP SERIES Page 21
22. reservoir 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 Cycle lift 2 3 times adding oil if necessary Recheck reservoir oil level REPLACING LEG ROLLERS Kit is listed on page 10 a For standard lifts lower lift to is lowest position and hold down switch for an addi tional 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 Raise the leg assembly 2 and support with the yellow supplied safety chock Remove retainer clips shield and rollers Clean and lubricate axle Replace with new rollers shields and clips a 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 FIGURE 1 MAINTENANCE CHOCK PRESTO OWNER S MANUAL XF amp XP SERIES Page 11 TROUBLESHOOTING FOOT OPERATED PROBLEMS PROBABLE CAUSE SERVICE REOUIRED Lift will not rise Low fluid Check fluid level 1 Pump air lock Open flow valve and cycle pump 2 Leak in suction line Check suction line from reservoir and pump for misconnects or leaks
23. tine maintenance and inspection will minimize costly repairs or hazardous conditions Never go under or service a lift with the scissor mechanism unblocked If possible service the lift in a down position A ROUTINE MAINTENANCE All routine maintenance should be performed monthly Maintenance should be performed on the standard XF amp XP series scissor lifts with standard tops in a lowered height position Raise the top to its over center position see figure 6 secure in place and perform the routine listed checks 1 5 Page 10 PRESTO OWNER S MANUAL XF amp XP SERIES For lifts with oversized platforms the lift must be ser viced 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 appropriate chock in position as shown in figure 1 and figure 6 c Lower the lift until the rollers come in contact with the chock d Perform the routine listed checks 1 5 li i i Wood blocks should be cut to the proper length and be of a hard wood variety Check for defects or damage to the blocks prior to each usage B ROUTINE CHECKS 1 Check oil level Add oil if necessary according to Troubleshooting see Section 7 2 Check rollers for signs of wear Replace if damaged 3 Check hydraulic lines for damage or leaking Re place if damaged 4 Check for oil spots on floor Trace leak to determine proper repair 5 B
24. u 6 PSL28A 44 4 LOCK RING 8 1001 204 1001 204 1 CAP SPRING PRR v o gt v gt v se 4 a U Page 14 PRESTO OWNER S MANUAL XF amp XP SERIES FIGURE 3 HANDLE CASTER PLATE ASSEMBLY KNOB ap 1010 0194 RELEASE ROD ASS Y HANDLE SET SCREW KNOB 1010 0194 Ory HANDLE ASS Y 1010 015 01VR RELEASE ROD ASS Y gt CASTER PLATE ASS Y REF NE Sen ke amase o CIOTBKS KP SERIES FIGURE 4 ANCHOR BOLT DETAIL Side view of scissor lifting table showing anchor bolt details FIGURE 5 HYDRAULIC SCHEMATIC Hydraulic Pump Foot Operated Undirectional Piston Pump These pumps are foot actuated piston to power single acting cylinder Locking check holds the load in the up position Adjustable orifice controls the down rate cycle of the lift PRESTO OWNER S MANUAL XF amp XP SERIES Page 15 FIGURE 6 MAINTENANCE POSITION SIDE VIEW OF STANDARD SCISSOR LIFT SHOWING THE COVER IN THE OVER CENTER POSITION 100 120 DE VIEW OF SCISSOR LIFT IN THE RAISED AND CHOCKED POSITION CHOCK BOTH SIDES CHUCK SIZES Z REQUIRED LIFT LIFT TRAVEL 24 2x4x14 LONG LIFT TRAVEL 38 2x4x20 LONG Page 16 PRESTO OWNER S MANUAL XF amp XP SERIES FIGURE 7 CYLINDER ASSEMBLY 1001 171 Series V ANN a a A The only part available for this cylinder is the cylin
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