PL & RL Series
Contents
1. 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 D A N G 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 NOTICE is used to address practices not related to personal injury Blue Background SAFETY SAFETY INSTRUCTIONS or equivalent signs indicate safety INSTRUCTIONS related instructions or procedures Green Background Page 6 PRESTO OWNER S MANUAL PL SERIES ECTION2 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 avoi2. worldwide material handling and ergonomic solutions PL amp RL Series Hydraulic Lift Tables 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 Page 2 PRESTO OWNER S MANUAL PL SERIES CONTENTS SECTION TOGO sorina osaa oei a OE A i a Ea NER 4 Responsibility of Owners and SC ie s ssisreisrsiasrisresresisisisrineisreinsiraitinerin iiri reisiks 5 Satety Alert Symbols and Signal WordSescssissssssceksseisorereicsiesrisosn soiorn 6 SECTION Z AIG sree E E A E N AE EEA E IEE AEE EE 7 SECTION 3 Unpacking and Assembly ox sicst senss nzaientace docesanasvedecsebondsdnaadeataes enirir 8 TS OG CUE OI isaac e a EE tras vara tw ev se av nea son vba TENE ears 8 SEC HON 4 Oi eee secsazesanccencosecnaeedaiencnas N AE REEE E EER ET EENET 8 ys Wes eUD POCO E raer en eee eee nee eee ree 8 B Operating Procedure for Hydraulic TADS scccisosscvsiceniacasasneccsaeveieeaterescrencenseennntee 8 SS TION eC gece csc eee epee spe eee epee E ATEN EE EE parent eee 8 PX EV UCM FNS TEC LIONS egsccs tc
3. SERVICING A SERVICING INSTRUCTIONS For manually Operated Hydraulic Lift Tables If tables does not rise to full height It probably requires oil check with table in down posi tion To fill cylinder with oil follow these instructions There are two pipe plugs in the cylinder Vent Plug and Oil Level Plug Remove both plugs Put a good grade of hydraulic jack oil in the cylinder through the top hole replace both plugs TOP PLUG IS A BREATHER PLUG BE SURE TO REPLACE PLUGS IN THEIR PROPER PLACES If table does not load or tends to creep downward under a load 1 Ram chevron set may be worn 2 Dirt particle may be obstructing seating of the valve allowing leakage To replace ram chevron set in hydraulic cylinder as sembly 1 Remove hydraulic cylinder from table and remove Vent Plug and Oil Level Plug and drain oil from cylinder 2 Clamp pump body in vise unscrew top hex nut and remove outer cylinder 3 Remove inner cylinder from pump making sure not to distort or mar cylinder Note DO NOT use pipe wrench 4 Remove ram and replace chevron set Push ram into cylinder chevron set last 6 Reassemble and fill with clean hydraulic jack oil GN If dirt particle is obstructing seating of the valve Open release valve by pressing down on the release pedal At the same time pump foot lever three or four strokes Do this three or four time Then place some weight on the platform and pump foot lever until plat fo
4. POSITION DETAIL AND PL SERIES PARTS LIST NOTE For models sold July 2005 and after Please contact Presto Parts Department Item Description Qty Swivel Caster 2 19 Rigid Caster 2 3 36 rise Cylinder Assy 1 3 48 rise Cylinder Assy 1 3 60 rise Cylinder Assy 1 14 Floor Lock l 15 Floor Lock Pad l Pump Cyl Seal Kit e Wheel Assembly consists of wheel bearing and spanner Page 12 PRESTO OWNER S MANUAL PL SERIES 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 temperatures below 0 F use aircraft hydraulic oil Use Type 15 aircraft hydraulic oil The following are equivalent to CONOCO SUPER HYDRAULIC 32 TYPE MANUFACTURER AWO Z nenese CITGO OTE 2A eee re EXXON MOBIL NUTO FAS2 scicettectnaxneracsns EXXON MOBIL AMOCO AW32 06 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 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 iden
5. esoue saa rapes E E E E 8 If table does not rise to full DESDE scescicnsncasdnanevnnavannnsoasnavnerverevneaeasevaeacecoreeasasereda 8 If taole docs not load OF creeps COW es aeada sara scetnnavacina arecdecsonsdoieserscetaneserinaaresees 8 Toremove cylinder from ADI oe csaas se crssasenaa seep sanscaryncncnasstanecas e iA A ni R 9 BP Gone MA TINS E E E E E EE A 9 ERT C o e a E E A N E E AE E E ereees 9 ORDERING REPLACEMENT PARTS nnnnnnnsssssssssssssssereeeesssssssssssssoseeereeeeeessssssssssseo 13 RESLO TINGPOLCI Ve A E R EE E A E E 14 RETURN GOODS AUTHORIZATION RGA PROCEDURES cccccceeeeeees 15 WARRANT cee R E E E E E 16 LIST OF FIGURES Figure 1 Foot Pump ASsembly cssscssssssssesesssssesesesssesesssssssesesesssesseeeseeseeeees 9 Pigu 2 Cylinder Seal Kiles oao EESE EREE Oa a 10 Figure 3 Floor Position Detail models sold prior to July 2005 ccccccceceeeeeeeeeeeeeeeeeeees 11 Figure 4 Floor Position Detail models sold July 2005 amp after ccccccccccccececeeeeeeeeeeeeeees 12 Table 1 Hydraulic Oil Specifications sea ecaces cereaetaseenessunereeseue snes toss ieaas ores ees 13 PRESTO OWNER S MANUAL PL SERIES Page 3 ECTION 1 INTRODUCTION This manual provides all the information for the safe and proper assembly operation and maintenance of Presto Lift Inc lift It is important that this manual be read by all personnel involved with the installation maintenance or operation o
6. anty 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 non compliance 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 16 PRESTO OWNER S MANUAL PL SERIES MANY NEEDS REQUIRE MANY OPTIONS Call Presto Sales for stock or customized lift inquiries 800 343 9322 Email sales prestolifts com
7. d 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 WING 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 PL SERIES Page 7 SECTION 3 UNPACKING AND ASSEMBLY A INSPECTION Upon receipt of the PL Lift inspect the equipment completely to determine if there is any shipment damage and that the lift is complete Do not use the lift if there appears to be any damage ECTION 4 OPERATION A SET UP PROCEDURE Each Hydraulic Table has been thoroughly inspected and tested prior to shipment Due to possible damage in transit the following procedure must be performed before the equipment is used 1 Remove all protective covering making certain that nothing is jammed o
8. e 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 questions and gather information on how to rectify the issue Presto Lift Inc reserves the right to determine potential credits as a result of factory defects based on its inspection of the merchandise GENERAL All products shipped from our factory have passed Quality Assurance inspection and testing The carrier of choice has signed for and accepted the product in new working condition The customer should inspect to ensure it is not received damaged has no concealed damage or is not incomplete Parts orders are determined to be complete based upon Presto Lift Inc inspection sheets and carrier shipping weights Page 14 PRESTO OWNER S MANUAL PL 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 design
9. f the scissor lift These models are designed for in plant and non hazardous locations WHERE UNIQUE SITUATIONS OR APPLICATIONS ARISE THAT ARE NOT COVERED IN THIS MANUAL CALL PRESTO LIFTS SERVICE DEPARTMENT FOR FURTHER ASSISTANCE Page 4 PRESTO OWNER S MANUAL PL 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 conforma
10. king pins and bearings weekly 15 Test floor lock for holding ability weekly 16 Check for hydraulic leaks monthly 17 Check hydraulic fluid with the platform fully FIGURE 1 FOOT PUMP ASSEMBLY NORMAL OPERATING POSITION Vertical FOOT PEDAL RELEASE VALVE PUMP PISTON For models sold prior to July 2005 lowered Remove screw B fig 1 Oil should be just below this level If oil is needed use Conoco Super Hydraulic 32 DO NOT USE BRAKE FLUID The hydraulic oil does not have to be changed unless it is unusually dirty very dark in color or if water is introduced due to condensa tion weekly C OPERATOR SAFETY REMINDERS Presto Lifts designs and builds equipment to provide reliable long service The National Safety Council reminds us that most accidents are caused by the fail ure to follow simple and fundamental safety rules and precautions A careful operator is the best insurance against an accident Therefore proper usage of the table is mandatory Modifications from the original design are strictly forbidden without permission from Presto Lifts A competent and responsible person familiar with procedures as outlined in this manual should perform inspection PRESTO OWNER S MANUAL PL SERIES Page 9 FIGURE 2 CYLINDER SEAL KIT NOTE All part numbers are for models sold prior to July 2005 For machines manufactured in July 2005 and newer contact the Presto Parts Department with the model a
11. ll 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 RGA number The shipping charge to return the component to the buyer 1s the responsibility of Presto Lifts Inc This limited warranty does not cover labor expense for removal or reinstallation of components after thirty days This limited warranty shall not cover among other things damages resulting from foreign matter or water failure to provide reasonable and necessary maintenance and if applicable 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 capaci ties 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 warr
12. nce with Presto s specification shall be corrected before further use of the PowerStak During Operation The device shall only be used in accordance with this owner s manual 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 PL 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
13. nd serial number of your machine so the correct part numbers can be quoted M Series Cylinder Seal Kits M400 10 Pump and M400 20 Kit also includes kits M400 30 M400 40 M400 50 v gy an gt f r of f e 0 f ej Ni A L2 Aon 7 s o IXA N d Fay F lo a RA Page 10 PRESTO OWNER S MANUAL PL SERIES FIGURE 3 FLOOR POSITION DETAIL AND PL SERIES PARTS LIST NOTE All part numbers are for models sold prior to July 2005 For machines manufactured in July 2005 and newer contact the Presto Parts Department with the model and serial number of your machine so the correct part numbers can be quoted Item 1 amp 2 3 COND NMA BB W YW 11 12 13 14 15 16 17 18 19 See the individual cylinder assembly Part C101E M400 36 M400 48 M400 52 0462 04 PSL29 PSL23A PSL28 PSL25A NO180 PSL22 PSL24 PSL26 PSL21C M437 0491 03 0415 NO901 C103 C102PH breakdown for associated parts e Wheel Assembly consists of wheel bearing and spanner Description Stem Caster 36 rise Cylinder Assy 48 rise Cylinder Assy 60 rise Cylinder Assy Camrol Bearing Collar Locking Lever Pin Assy Brake Lever Locking Nut Brake Stud Rubber Cushion Spring Pad Holder Lock Pad Lock Handle Lift Stop Hex Hd Bolt Axle Wheel Assy NNABNRENYNNNNNMNNNNM SRR KK oO PRESTO OWNER S MANUAL PL SERIES Page 11 FIGURE 4 FLOOR
14. r fallen into the moving parts of the table 2 Inspect the Table for damage in shipment Be sure to notify the trucking firm immediately if there is any damage 3 All Hydraulic Tables are equipped with a hand operated floor lock 4 For shipment the foot pedal is wired to the unit Before using the table this pedal should be in stalled into the foot pump lever B OPERATING PROCEDURE FOR HYDRAU LIC TABLES The following instructions apply to the hydraulic table Carefully read and understand the procedures before operating the equipment 1 Maximum table capacity for the Hydraulic Table is 2000 lbs Rubber wheels 1000 Ibs capacity 2 Before loading or unloading table make sure the hand operated floor lock is securely locked against the floor This requires you to pull up upon the floor handle The floor lock is released by pushing the handle down 3 Always place loads near the center of the table When transferring loads to the table platform always slide rather than drop onto the raised table 4 Pump the pedal on the cylinder to raise the table Page 8 PRESTO OWNER S MANUAL PL SERIES Depress the release pedal to lower the table 5 Keep feet out of the carriage unit keep hands out of the roller path 6 Always lower table especially when loaded to its lowest position before moving the machinery any distance 7 Keep hands clear from under the table when load ing and unloading SECTION 5
15. rm reaches its full height Now lower table six inches to a foot at a time This will dislodge dirt and table will work properly To remove cylinder from table 1 Pump table to above 12 inch height and then prop platform up to keep it in raised position 2 Step on release pedal and push ram down by hand until it reaches its lowest point 3 Take out four hex bolts which screw cylinder into place and slide cylinder backward towards the casters of the table and the cylinder can be easily removed B PERIODIC MAINTENANCE INSPECTION POINTS 1 Check floor lock for positive locking operation daily 2 Check all nuts and bolts for proper tightness monthly 3 Check uprights for abrasives dirt and oil caked contaminants daily 4 Inspect all decals daily 5 Keep all parts not requiring lubrication clean of lubricants Pay particular attention to the outside of uprights and platform where personnel injury could result from slippery lubricant daily 6 Check structural frames for damage and cracked welds daily 7 Clean and inspect guides and guide wheels weekly 8 Clean and inspect all welds weekly Clean and inspect lifting chains monthly 10 Lubricate chain with a rust inhibitive lubricant weekly 11 Adjust chain tension tighten lock nut weekly 12 Clean and inspect for wear and damage support ing wheels and casters weekly 13 Tighten all hold down bolts weekly 14 Lubricate wheel axles
16. s cannot be returned under any circumstances Presto Cus tomer Service reserves the right for final judgment on all product returns The RGA number must appear on the outside of any packaging material for a return to be ac cepted and processed by Presto Lifts Customers shipping returns from the Continental US Canada or Mexico have thirty 30 days from date of RGA issue to have the product arrive at Presto Lifts facility All merchandise must arrive Free on Board at Presto Lifts facility or the shipment will be refused and returned to the sender All credits are issued less restocking and refurbishing charges regardless if the merchandise was damaged in transit Return addresses please refer to your RMA for the address to which your product should be returned Presto Lift Inc 715 Highway 77 Manila Arkansas 72442 Telephone 800 343 9322 Fax 888 788 6496 PRESTO OWNER S MANUAL PL SERIES Page 15 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 other components have a limited warranty against defects in faulty material and workmanship for a two 2 year period from the date of invoice date of invoice and 30 day limited warranty on labor Please note that prior authorization from Presto Lifts 1s required on a
17. tical 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 6496 Email service PrestoLifts com www PrestoLifts com PRESTO OWNER S MANUAL PL SERIES Page 13 PARTS Standard parts may be returned with a 20 restocking fe
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