Lift Products LPBLU-20-1 Owner`s Manual - Lift
Contents
1. Signs Training Instructions Control devices Emergency stop Mandatory inspections Standards concerning safety and health Standards concerning constructions and building Fire Protections Risk Assessment 19 SituationofUse Action Example Gasket and pipe material Gasket and pipe material propagating oil limits for maximum temperature Explosion Hazard EEX components ATEX directive Environmental Biodegradable oil Environmental Fac Risks tors Supplies Food grade hydraulic fluids surface treatment resistant to detergents Humidity Class of electrical protection IP Anticorrosion protection surface treatment bushings cylinders Dust Class of electrical protection IP Protection of mechanical parts control unit and electric motor External Use Weather conditions Win 13 SPARE PARTS 13 1 METHOD FOR REQUESTING SPARE PARTS The tables are designed and built so that they do not require if used correctly and suitable maintenance is performed as described in this manual spare parts due to faults and breakage Some parts subjected to wear are identified in the spare parts list attached to this manual It is mandatory that only original spare parts are used requesting them directly from Lift Products The use of non original spare parts invalidates the warranty and could jeopardise the proper operation of the table 13 2 ORDERING SPARE PARTS When ordering spare parts always indicate the data specif2. lifting and positioning the table Lifting is carried out by the single effect cylinders located between the pair of scissor arms that provide the lifting force The lifting and descent movements are mechanically synchronized through the connection between the platform arms and frame The joints in the standard tables have self lubricating bushings In the case of intense use at high speed the joints contain pins with grease nipples and the lubricating bushings 9 5 OPERATIONS AFTER USE 1 Platform 2 Safety Perimeter 3 Cylinder 4 Sliding Roller 5 Lower Frame 6 Safety Strut 7 Central Pivot Pin 8 External Arm 9 Internal Arm 10 Hydraulic Power Pack 11 Eyebolt After completing work it is recommended to lower the table to the minimum position If the table is left in a lifted position the level may vary due to different reasons e The volume of oil changes due to temperature variations Leaks in the valves pipes or unions e Leak in cylinder 15 10 10 1 10 3 MAINTENANCE INSTRUCTIONS SAFE MAINTENANCE Before carrying out any maintenance make sure that the safety bars located at the base of the sliding arms are lowered Before carrying out any maintenance work on the table make sure that the load has been removed from the upper platform When working on the mechanical and electrical parts the main disconnecting switch must be deactivated If a large or significant repair is carried out the table must be r
3. name company name and address of the manufacturer e table model max capacity in Kg e year of manufacture e serial number e CE mark e working pressure e weight in Kg e P protection 1 7 REQUIREMENTS STANDARDS Lift Products Inc lift tables were designed and built in order to guarantee maximum safety reliability and duration They comply with the basic requirements specified by the standard EN 1570 for lift tables This European standard determines the safety requirements for lift tables used for lifting and or lowering goods and or people assigned to moving the material transported by the lift tables with maximum vertical travel of 3m They may be manually operated or equipped with an electric motor Accessories can be installed to improve safety 2 USE AND AREAS OF USE The product is designed for use in dry well lit rooms with moderate temperatures unless oth erwise agreed upon with Lift Products In addition to the safety devices of the table additional safety measures may be necessary both for the table as well as for the surrounding work area It is recommended to carry out a risk analysis in accordance to what is set forth by the machine di rective See also the section Risks connected with operation These instructions must be made available to authorised personnel and must be kept with the product during its entire operative life Lift Products lift tables can be used in many situations They are generally used f
4. when activated and all electrically activated movements are blocked After using it lower the table to the minimum position and disconnect the power supply Before lowering the table make sure not to risk damaging people or property and that there are no obstacles that would limit the descent Up Down 8 1 Do nat tamper with the safety perimeter INSTALLATION NB Before installing the table the eyebolts must be removed The table must be installed by specialized personnel and must comply with current safety and accident prevention standards related to specific use of the table Before installing the table check the condition and completeness of the equipment During the installation procedure the table must be completely unloaded It is necessary to fit a cut off device on the power supply line which must be accessible for the operator during operation The table control unit must have an emergency stop device Check that the floor where the table is installed is perfectly flat CHECKS AT INITIAL START UP Make sure that nothing was damaged during transport Do not carry out lifting operations on the safety perimeter Check that the safety perimeter is working properly and that its lifting causes the safety microswitch to trip 10 8 2 CONNECTION TO THE POWER SUPPLY For the connection to the electric network insert the power supply cable plug which consists of four wires three phases and ground
5. Guardian Series Lift Tables Service Manual LIFT PRODUCTS INC PO BOX 349 ELM GROVE WI 53122 262 521 5720 FAX 262 521 5725 Toll Free 877 543 8776 Model LPBLU 20 1 S N Customer LIFT PRODUCTS INC INSTRUCTIONS HANDBOOK FOR INSTALLATION USE AND MAINTENANCE LIFT TABLES GENERAL INFORMATION 1 1 PURPOSE AND CONTENTS OF THE HANDBOOK 1 2 MANUAL AUDIENCE 1 3 MANUFACTURER LIABILITY 1 4 WARRANTY 1 5 MANUFACTURER S IDENTIFICATION 1 6 MACHINE IDENTIFICATION 1 7 REQUIREMENTS AND STANDARDS USE AREAS OF USE SOUND EMISSIONS 2 1 RECYCLING INSTRUCTIONS TECHNICAL SPECIFICATION FOR STANDARD MODELS 3 1 LOAD DISTRIBUTION SAFETY INSTRUCTIONS CHECKS UPON DELIVERY PLATES AND LABELS ON THE TABLE 6 1 PLATE AND LABEL POSITIONS TABLE OPERATION INSTALLATION 8 1 CHECKS AT INITIAL START UP 8 2 CONNECTION TO THE POWER SUPPLY 8 3 RATED CURRENT 8 4 APPLICATION OF SAFETY STRUTS 8 5 HOLE DESIGN 8 6 INSTALLING THE TABLE IN THE HOLE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE O 10 10 11 11 11 12 13 10 11 12 13 14 COMPONENTS 9 1 HYDRAULIC SYSTEM 9 2 ELECTRICAL SYSTEM 9 3 HYDRAULIC VALVES 9 4 MECHANICAL COMPONENTS 9 5 OPERATIONS AFTER USE MAINTENANCE INSTRUCTIONS 10 1SAFE MAINTENANCE 10 2 MAINTENANCE OPERATIONS 10 3 HYDRAULIC SYSTEM 10 4 ELECTRICAL SYS
6. ROL UNIT Check that the diagonals of the hole are the same and that their dimensions are 30 mm greater than those of the table It is important that the lower surface of the hole is perfectly parallel to the upper surface of the floor to ensure proper table operation For small differences in level adjust the adjustable mechanical struts or use shims Check for the presence of the supply pipe and cable duct and any water collection pit for external installation The operator is obliged to first check before inserting the table in the hole that no people and or animals are located near the hole Temporarily connect the control unit to the network and position the cable so it does not hinder inserting the table in the hole Remove the eyebolts lift and lower the safety bars Make the network connection passing the cables and pipes in the duct Operate the table and test the functions Never exceed the maximum descent speed permitted for a full load Check the operation of the safety perimeter on all sides The push button panel or the control unit if external must be positioned so that the operator always has a detailed view of the table and the load when the table is operating COMPONENTS HYDRAULIC SYSTEM The Lift Products lift tables are equipped with internal or external hydraulic power packs The single acting hydraulic system corresponds normally to what is shown in the attached hydraulic diagram A N C electrically activa
7. TEM 10 5 MECHANICAL COMPONENTS 10 6 LUBRICATION POINTS if pins with grease nipples are installed TROUBLESHOOTING 11 1 PROBLEMS CAUSES AND SOLUTIONS RISKS CONNECTED WITH TABLE USE 12 1 RISK TABLE SPARE PARTS 13 1 METHOD FOR REQUESTING SPARE PARTS 13 2 ORDERING SPARE PARTS DISPOSAL AND SCRAPING PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE PAGE 13 13 14 14 15 15 16 16 16 16 16 16 17 18 18 19 19 20 20 20 20 1 GENERAL INFORMATION 11 PURPOSE AND CONTENT OF THE MANUAL This manual describes the lift table the functional technical specifications as well as instructions for its use installation and maintenance The following documentation is also provided together with this manual CE declaration of conformity or manufacturer declaration pursuant to Annex VII B Machine Directive 2006 42 EC All documents are contained in transparent protective envelopes and are attached to the table 1 2 MANUAL AUDIENCE This handbook is intended for e the manager of the plant workshop or yard e installation personnel e maintenance personnel The manual must be kept by a person who is responsible for it in a suitable location so that it can always be consulted and kept in good conditions If lost or damaged replacement documentation can be requested indicating the serial number of the table either directly from Lift Products Inc or your
8. The EEC pin and network insulator are not included in the supply If the motor starts but the table does not lift invert the two phases It is important that the motor does not operate for too long in the incorrect direction to prevent damaging the pump 8 3 RATED CURRENT Check the type of power supply voltage and rated power of the motor KW Rated motor power In Rated current A Network fuse If the power supply is single phase the motor may have greater power 8 4 APPLICATION OF SAFETY STRUTS Safety struts must be applied during any operation carried out under or near the table This also applies to installation maintenance and inspections as well as for all repairs The safety struts must be installed on both sides 11 5 HOLE DESIGN Lift Products supplies the executive design for the hole The dimensions shown below are only approximate and any accessories could involve changes to the dimensions It is important that the floor is flat and stable and that the installation area or hole is free from obstructions Hole length A 30 Hole width B 30 Hole depth height of the closed table Attention some options may change the dimension of the pit 1 Table Platform 4 Internalor external control unit 2 Safety Perimeter 5 Pit edge protective angle bar L profile 60x60 mm 3 Lower Frame 6 Cable or pipe passage D 100 mm 12 8 6 9 9 1 INSTALLING THE TABLE IN THE HOLE INTERNAL OR EXTERNAL CONT
9. able are in good condition legible and in the correct language Damaged or illegible labels should be replaced 6 1 PLATE AND LABEL POSITION sii mar d 500 ES 7 TABLE OPERATION The table must be connected to the electric network Check that the supply voltage is compliant with the electric network The control push button panel for the table must be positioned so that the operator has a good view of the table and the load Lift Products tables must be used in completely safe conditions while paying maximum attention The control functions are lifting lowering and emergency and can be activated by pressing the push buttons The table stops once it reaches a position if equipped with a lifting limit switch otherwise it stops mechanically at the end of cylinder travel Check the operation of the safety perimeter If the safety perimeter is activated the problem that caused the stop must be identified and resolved To restart the lowering operation press the lift push button to release the table Lift Products tables are equipped with an electrically operated non return valve normally closed fit on the cylinder Standard EN 1570 foresees that the lifting and lowering table speed must not exceed 150mm sec There is flow control valve on Lift Products tables that limits the lowering speed The control push button panel includes an emergency stop push button that remains pressed
10. de any protection for an operator who come into contact with live wires or objects Maintain a safe distance from live wires and objects Do not alter or modify components of fundamental importance for purposes of safety and stability Loads must not be present during inspections and maintenance and repair work Lock the lifting mechanism with safety struts CHECKS UPON DELIVERY The table must be delivery completely closed and equipped with lifting eyebolts for transport and installation The position of the eyebolts must be visible and marked by suitable labels Make sure that the capacity indicated on the data plate of the forklift crane or overhead crane is suitable for the weight of the table Keep the eyebolts if it is necessary to move the table Make sure that all parts of the table have been inspected by the manufacturer The internal inspection report confirms the positive result of the tests that were carried out Check that the standard electrical system includes a three phase 380 400 V 50 Hz connection Make sure that the control system safety perimeter solenoid valve limit switch etc functions at a voltage of 24V DC 6 PLATES AND LABELS ON TABLE The table was designed and built in compliance with the Essential Safety and Health Requirements with a careful risk analysis adhesive labels have been applied for the residual risks indicating the danger Make sure upon delivery that the labels applied on the t
11. einspected in compliance with standard EN 1570 Annex C HYDRAULIC SYSTEM Check the level of oil in the tank top up the oil if necessary with SHELL TELLUS OIL 46 or equivalent data plate near the cap If the oil is dirty change it Check for any leaks in the oil tank Inspect the hydraulic pipes and unions for any leaks or damage Check the cylinders a possible oil leak makes it necessary to replace the gaskets and carefully check the stem Check the seal on the valve and cylinders that must guarantee a maximum vertical lowering of the table of 5 mm in 10 minutes with the platform completely lifted and with a maximum load EN 1570 ELECTRICAL SYSTEM Inspect and test the electrical functions Check that the cables and wires are intact Fix them if necessary Check the operation of the safety perimeter microswitches and replace them if necessary MECHANICAL COMPONENTS Check that all sliding wheels and pivot pins are correctly fitted Keep the roller tracks clean do not grease them Check the wear of the bushings in the pivots and in the sliding rollers checking clearance Check for cracks or breaks in the welding Check that the safety perimeters are intact and not damaged Check that the table is stable Check that all labels are attached and clearly legible 16 10 6 LUBRICATION POINTS If the table is equipped with grease nipples in the pivots lubricate using high quality grease SHELL ALVANIA GREASER 3 or cor
12. ied on the machine plate 14 DISPOSAL SCRAPING If the table is to be scrapped its parts must be disposed of separately according to their different types e g metals oils and lubricants plastic and rubber etc using if possible special companies authorized for the purpose and in any case in compliance with what is specified by laws concerning the disposal of solid industrial waste 20 21 Parts List for LPBLU 20 1 ok Jel o eco S fsa bushing fsa bushing 2 aooasoaer s 2 ws Description Top Platform Frame Internal Arm External Arm Cylinder Cylinder Arm Hook Plate Roller Roller Roller Roller Fixing Rod Cap P P P P Safety List n n n P Eyebolt Washer Seeger N Seeger N w Screw Self Lock Nut Vite Pin Pin N 6 s s 23 24 w 1 22 Hydraulic Circuits LPBLU 20 1 23 Hydraulic Circuits for LPBLU 20 1 i 7 Sar 3 yt x s s Description Qty 55077138T 550773817 24 Hydraulic C
13. ircuits for LPBLU 20 1 Af BUTTON CONTROL BOX LINE EMERGENCY TEMPERATURE RELAY TRANSFORMER 111 at WI SAFETY BAR LIMIT SWITCH SINGLE PHASE ELECTRIC DIAGRAM WITH 23
14. liance SAFETY INSTRUCTIONS Lift Products tables must only be used by authorized and suitably trained personnel The operator is responsible for preventing accidents Use the Lift Products tables only for the foreseen purposes and in completely safe conditions To prevent creating instability do not overload the tables and try to position the load at the center Check that the product is good condition before starting each work shift Maintenance and repair work must be carried out by qualified personnel If a fault is discovered do not use the product until the malfunction has been resolved The operator must have a detailed view of the dangerous table parts and its load at each movement during vertical movement Never insert hands arms feet or other body parts or any type of object inside the lifted table Lower the table only after checking that no obstacles or people are located in the space under the table Never move the table with the load lifted as it could overturn Make sure hat the moving parts do not come into contact with adjacent objects Check that the table is used on a horizontal and level foundation Lifts with tipping must always be anchored to the ground Do not use Lift Products tables as a work bench for welding unless they have been specifically designed for this use Do not use the product in a potentially explosive environment Lift Products tables are not electrically insulated therefore they do not provi
15. local dealer Anyone who uses the table must be fully informed of the information in the manual It is prohibited to make any changes to the manual without prior written authorisation from the manufacturer The instruction manual and the manufacturer s declaration of conformity must be kept with the machine when it is sold to others 1 3 MANUFACTURER S LIABILITY The instructions in this manual do not replace but supplement the obligations for complying with current safety and accident prevention regulations With reference to what is specified in this manual Lift Products Inc declines all liability in the case of e installation of the table that does not comply with current national safety laws required according to table use improper use of the table according to national safety and accident prevention laws e failure to observe or incorrect observance of the instructions provided in the manual mains voltage and power supply defects e unauthorized mechanical modifications e use by untrained personnel In order for the manufacturer warranty to be valid as described in paragraph 1 4 of this man ual the customer must scrupulously observe the requirements set forth in the manual and in particular e always work within the limits of use of equipment e perform constant and careful maintenance e assign only operators with demonstrated ability and who have been suitably trained to use the table only use original spare parts indicated by
16. or lifting lowering loads They are designed to be used on a flat and stable base or on the floor They may be installed on the ground or inserted in a hole The floor ground must resist to the com bined weight of the table and the load The necessary information related to use and the load is included in this manual and refers to EN 1570 During normal operation sound emission must not exceed 70dB A measured at a distance of 1 metre and at a height of 1 6 from the greatest sound source 2 1 RECYCLING INSTRUCTIONS Reusable or recyclable material were used to manufacture the lift tables Worn tables must be disposed of by specialized companies who will dismantle them and reuse the recyclable materi als TECHNICAL SPECIFICATION FOR STANDARD MODELS 3 1 LOAD DISTRIBUTION The maximum table capacity is indicated on the identification plate as well as on a label with large characters for immediate reference The maximum load refers to the load distributed uniformly over the entire table area Base on standard EN 1570 the basic standards are as follows Q 100 of the rated load maximum load distributed evenly over the entire table area 50 of the rated load maximum load distributed evenly over half the table length 33 of the rated load maximum load distributed evenly over half the table width The technical specifications for each lift table are indicated in the order documentation and in the CE declaration of comp
17. perimeter micro are damaged The retaining solenoid valve is blocked or the solenoid is damaged The safety perimeter was triggered The retaining solenoid valve lets oilseep through The lifting cylinder gaskets are worn The ascent end of stroke microswitch if fitted is damaged or out of calibration the table arrives to the mechanical end of stroke with the cylinder Wait for the motor to cool check the motor power supply and absorption Replace Remove the retaining solenoid valve and clean it carefully If necessary replace the damaged parts Restore operation by pressing the UP push button on the push panel Remove the retaining solenoid valve and clean it carefully Replace if necessary Check the gaskets and replace if necessary Clean and recalibrate the microswitch replace it if necessary 18 12 RISKS CONNECTED WITH TABLE USE Some common situations of table use are listed below with some examples of connected risks Some examples of preventive or corrective actions are provided 12 1 RISK TABLES Situation of Use Rsk Action Example Unauthorized use Unauthorized access under the lifted table Use while overload General Management Standards Signs Training Instructions Control Unit with locking device Training Instructions Signs Protection with grids Protective bellows Barriers Signs Training Instructions Respect load distribution and position
18. responding Perform the lubrication with the table unloaded and with the safety bars lowered 1 Central Pivot 2 Cylinder Coupling Pin Elevated Cycles 3 Central Pivot 17 11 IROUBLESHOOTING The troubleshooting procedure must be carried out by expert personnel In most cases authorized personnel is an expert installer specifically trained in mechanical parts Lift Products technical personnel must intervene if any difficulties are encountered when troubleshooting or if the defect is different that those listed below While carrying out the inspections or working underneath position the safety bars 11 1 PROBLEMS CAUSES AND SOLUTIONS FAULT CAUSE REMEDY Eyebolts still fitted The table does not lift the mo tor rotates normally The table does not lift the mo tor does not rotate The table does not descent The table goes down also in the stop position N B Standard EN1570 forsees maximum verti cal lowering of 5 mm in 10 min with the platform completely lifted and with the maximum load At the end of stroke the table positions itself differently than expected Retaining solenoid valve blocked in the open position Check the operation of the cursor and the solenoid replace damaged parts Table overload Remove the load The motor is rotating in the Invert two phases opposite direction The ascent limit switch if fitted is damaged The descent limit switch if fitted or a
19. ted non return valve is fit on the cylinders For proper table operation make sure that the type of oil foreseen by standard ISO 32 is used and that the entire system is clean Considering the versatility of the tables the hydraulic system is often customized Hydraulic Power Pack voto 13 9 2 ELECTRICAL SYSTEM The lift tables have three phase or single phase connection with voltage to be defines The network disconnecting switch is not supplied by Lift Products and it must be fitted by the electrician upon installation The power supply cable must be connected to the terminals of the disconnecting switch The wiring diagram is included in this manual Considering the versatility of the tables the electrical system is often customized 9 3 HYDRAULIC VALVES Electrically activated non return valve fit on the cylinders 14 9 4 MECHANICAL COMPONENTS The Lift Products lift tables consist of An upper platform with a safety perimeter to automatically stop downward travel in case of interference with foreign bodies e A pair of scissor arms placed apart from each other to prevent shearing hazards during movement e One or more single acting hydraulic cylinders with normally closed non return valves that prevent the table from descending if hydraulic pipe breaks e Base frame for placing the table on the ground e Mechanical obstruction bars for carrying out the maintenance operations in safety Eyebolts for
20. the manufacturer 1 4 WARRANTY Lift Products Inc Guarantees all tables for 12 months for a use of 8 hours a day for each working day within the cycle hour limits specified in the offer starting from the shipping date If used more that 8 hours per day the warranty period shall be reduced proportionately The warranty is limited to replacing the parts that the company deems defective due to material or machining defects ex Lift Products Inc works and does not include labor or travel costs for replacing said parts It is further understood that recognition of the warranty is void if the anomaly results from an inappropriate use of the products if commissioning was not carried out according to Lift Products specifications or if non original parts have been used Lift Products Inc products are not guaranteed for uses that exceed the ratings stated on the plates and in the documentation All the equipment manufactured by Lift Products Inc is insured for any damage caused to third parties by defective parts or their malfunction damage arising from improper use or misuse of the tables is not covered 1 5 MANUFACTURER S IDENTIFICATION This documentation entitled INSTRUCTIONS MANUAL FOR THE INSTALLATION USE AND MAINTENANCE OF LIFT TABLES is only valid for tables manufactured by Lift Products Inc BOX 349eElm Grove WI 53122 1 6 MACHINE IDENTIFICATION Every table has an identification plate that includes e Manufacturer logo e
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