Ergonomic Lift Table Manual
Contents
1. WHT FUSED DISCONNECT BY OTHERS 136 Mc BLK S NENNEN WHT 7 120VAC RAISE 24VAC A RED 20 BLK 1 15 21 WHT RED WHT UP LIMIT Al 2 LOWER SWITCH WHT 23 9 BLK 1 SOL 1 WHT 24 WHT WHT Oo Oo Oo DOWN LIMIT 21 22 SWITCH E p GRN 208 230 460 THREE PHASE SINGLE ACTING SINGLE FUNCTION OPERATION FIGURE 10 208 230 460V 3 PHASE OL Ti BLK Li Toho hace I L2 RED L o E ae FUSED DISCONNECT BY OTHERS BLK WHT 5 7 120VAC 6 m 24VAC d RED 20 BLK 1 OL A 1 LS 21 mE WHT RED AX WHT L UP LIMIT 95 96 Al A2 LOWER SWITCH WHT 23 t BLK 1 OL B SOL 1 2 LS 4 WHT og WHT o LA o WHT d DOWN LIMIT 21 2 SWITCH 13 JH INDUSTIRES INC 120VAC SINGLE PHASE DOUBLE ACTING SINGLE FUNCTION OPERATION FIGURE 11 120 1 1 PHASE Ep B I HOT L2 T2 BLK BLACK eo L3 T3 NEUTRAL 2 GRN O 0 o RAISE SOL 1 RED 20 BAK 11 1 15 3s 1 CR A OL WHT RED 1 a 95 1 UP LIMIT 36 SWITCH 1 CR B LOWER sN2. tained in this manual Never use fork trucks or other ma terial handling equipment to raise the lift If the lift table does not operate correctly when using the operating pro cedures contained in this manual DO NOT USE THE LIFT TABLE If you have any problems or questions using or operating the lift table contact your supervisor for assis tance Do not operate the lift table if operation causes undue physical strain or if physical impairments could lead to undue strain in back muscles limbs or joints Loads should be kept uniform as possible to insure safe operation and maintain even wear on all moving parts If equipped with a traveling electrical cord caution must be taken to insure that it is kept away from the lift as it is raised and lowered Keep area around lift table free of oil obstructions and debris that could cause slipping or stumbling into equip ment Never disconnect any hydraulic or electrical lines or re move any part of the lift table unless the maintenance bar is engaged and the electrical power supply is turned off and locked out Do not modify or change the design of this equipment If lift is not supplied or ordered with skirts Never install a lift table in a pit unless it is supplied with the toe guards option on the table top lf this is required call factory for details JH INDUSTIRES INC INSTALLATION Read and follow this instruction manual Failure to do so could result in seri
3. DAMAGE CAUSED BY SHIPPING INSTALLING A DAM AGED LIFT COULD RESULT IN SERII Y OR DEATH JOUS IN JUR 9 Attached to shipped Lift Table to be removed by installer after installation is complete Requires 1 JH INDUSTIRES INC OIL RECOMMENDATIONS Do not use brake fluid or any other fluids not ap proved by the manufacturer Use of fluids not ap proved by the manufacturer may attack the hydraulic systems seals and hoses FLUIDS 1 The first choice for fluid is Citco AW 46 200 hydraulic fluid This is the fluid normally supplied by the factory and is suitable for a ambient temperature range of 10 to 100 Fahrenheit 23 C to 38 C 2 Following is a recommended list of oils with a compati ble ambient temperature range A Amoco Oil Co Oil 32 46 Amoco AW 32 46 B Cities Service Oil Co Citgo AW Hyd Oil 32 46 Ctigo All Temp Hyd Oil C Chevron USA Chevron EP Hyd Oil 32 46 D Fina Oil Co Fina AW 32 46 Fina Automatic Transmission Fluid Dexron E Gulf Oil Corporation Gulf Harmony 32 AW 46 AW F Mobil Oil Corporation DTE 15 24 25 Mobil Fluid 300 Transmission Fluid G Sentinel Lubricants Corp Sentinel SH 10 Hydraulic Oil H Shell Oil Co Tellus Hyd Oil 32 46 Tellus Hyd Oil 32 46 1 Texaco Inc Rando Oil Hd 32 46 J Union 76 Xcel AW 46 200 SEALS Generally the seals are Buna N Nitrile and poly urethane The hoses
4. J 1 CR A 2 CR A OL 113 55 RED a SEG 21 VU UP LIMIT 3 2 3 2 95 96 Al A2 SWITCH T DOWN Sates WHT 5 BLK E d BLK 2 1 15 24 giu WHT 24 4 d DOWN LIMIT 3 2 1 2 SWITCH 4 5 SOL 3 BLK L UP Bids ag 3 CR B 9 0971 2 BLK 1 2 1 LS 27 comp WHT lt BLU UP LIMIT 4 5 SWITCH EET BLK L DOWN TM 29 1 CR B ot BLK 1 2 1 15 30 55 WHT 30 4 DONN LIMIT 4 5 SWITCH 17 GRN JH INDUSTIRES INC Copperloy 208 230 460VAC THREE PHASE DOUBLE ACTING DOUBLE FUNCTION OPERATION FIGURE 16 208 230 460V 3 PHASE EG 1 M A oL Tl L1 T Fo El e T2 L2 so L2 Xy T3 RED too ae FUSED DISCONNECT BY OTHERS BLK 5 WHT 7 120VAC B 24VAC Teup SOL 1 20 Loo RED 9 BLK o BLK 1 CR A 2 CR A OL 175 21 CN El Wc UP LIMIT 3 2 3 2 85 96 Al A2 SWITCH T DOWN 23 BLK 9 BLK 3 CR A 2 CR B 1 15 24 l 2 DOWN LIMIT 3 2 1 2 SWITCH 4 5 SOL 3 BLK b L UP 26 3 CR B BLU El BLK 1 2 1 15 27 WHT lt j BLU ea UP LIMIT 4 5 SWITC
5. POLYESTER U CU 11 JH INDUSTIRES INC Copperloy WIRING DIAGRAM WIRING DIAGRAM Before doing any electrical work make cer tain the power is disconnected and properly tagged or locked off All electrical work must be done by a qualified technician and meet all applica ble codes If it is necessary to make trouble shoot ing checks inside the control box with the power on USE EXTREME CAUTION Do not place your fingers or un insulated tools inside the control box Touching wires or other parts inside the con trol box could result in electrical shock death or serious injury 120VAC SINGLE PHASE SINGLE ACTING SINGLE FUNCTION OPERATION FIGURE 8 Fw jim BLK HOT BLACK 5 L3 T3 WHT 2 GRN NEUTRAL WHEE RAISE c RED 20 BLK i 1 LS OD WHT 21 RED UP LIMIT AL 2 LOWER SWITC aum WHT 23 9 BLK J 1 501 1 WHT _24 WHT 4 DOWN LIMIT 21 22 SWITCH 12 JH INDUSTIRES INC 208 230V AC SINGLE PHASE SINGLE ACTING SINGLE FUNCTION OPERATION FIGURE 9 208 230V 1 PHASE 3 1 M A z BLK L1 ore L1 L1 1 296 L2 Go L2 o L3 T3
6. SERIAL 1901 E Aurora Rd 3 iNpusrRiES INC MODEL CAPACITY EW 040 36 48x48 48x48 4000 LBS SIDE LOAD END LOAD 2000 LBS 2000 LBS 5 To be placed on the Front of the lift platform Requires 1 6 To be placed on all control panels or electrical boxes PLACE MAINTENANCE STRUT HERE WHEN NOT IN USE To be placed on the front side of the lift base Requires 1 Copperloy Do not stand sit or ride on lift To be placed on the top surface of the lift platform Requires 1 To be placed on handrails and each side of the lift platform Requires 4 Only for Dock Lifts CAPACITY 5000 LBS To be placed at both corners front and back of the lift platform Requires 4 MAINTENANCE DEVICE TO BE USED DANG R ONLY WHEN THE LIFT IS UNLOADED t MAINTENANCE BAR BEFORE SERVICING READ ALL INSTRUCTIONS FAILURE TO DO SO COULD RESULT IN SERIOUS INJURY OR S A DEATH MAINTENANCE BAR ip 2 STORAGE BRACKETS 1 be placed at Maintenance Strut Mounting Locations Requires 2 bs FOR MAINTENANCE ONLY 12 To be placed on maintenance strut at center Requires 2 READ amp FOLLOW COMPLETELY THE INSTALLATION OPERATION amp SER VICE MANUAL FAILURE TO DO SO COULD RESULT IN SERIOUS INJURY OR DEATH DO NOT INSTALL LIFT TABLE IF DAMAGE HAS OCCURRED CONSULT THE FACTORY OF ANY
7. To avoid damage to the new seals and wear rings do not use any sharp or pointy tools that may rip or damage any of the new seals or wear rings 2 assemble the gland and piston back on and secure with a new lock nut 3 Liberally lubricate the outside of the new seals and inside of cylinder housing align the piston carefully and slide the entire assembly back into the housing 4 Install the snap ring back in place being sure that it is fully seated in its groove CYLINDER REINSTALLATION 1 Remount oylinder in lift and reattach all hoses 2 Clean up any spilled oil so as not to misinterpret later as a new leak 3 Reconnect power remove maintenance bar and cy cle the lift table several times to get all air out of the hydraulic system Check the oil and top off as needed See page 4 for oil recommendations 4 The lift is now ready to go back into service 10 JH INDUSTIRES INC Copperloy SINGLE ACTING CYLINDER FIGURE 6 ALL METAL LOCK NUT O RING HOUSING PISTON SNAP RING DU BEARING REINFORCED REINFORCED mm WIPER RING GROOVED WEAR RING WEAR RING PISTON VENT PLUG SEAL BREATHER DOUBLE ACTING CYLINDER FIGURE 7 ALL METAL LOCK NUT O RING HOUSING O RING BACK PISTON UP RING ROD GLAND 25 2 SNAP RING DU BEARING gt 7 7 Sezer ZZ VUE EE EEL WIPER DU BEARING GROOVED REINFORCED LOADED GLASS FILLED PISTON POLYESTER REINFORCED CUP NYLON WEAR SEAL WEAR RING
8. debris is cleared from the area Failure to do so could cause seri ous injury or death 23 Remove the maintenance device and verify the area is clear Warn all personnel the lift table will be in use and operate the lift table through its full range of travel Raise and lower the lift a few times to verify that all air is purged from the system Make sure the motor is running smoothly and quietly The lift should raise smoothly If there is an issue with the lift table follow the instructions to re install the mainte nance strut and review the Trouble Shooting area If the issue cannot be solved contact the factory At all times during the lift s movement there are pinch points that are created See Figure 4 If any part of your body is caught in the lift you may be seriously injured Maintain a safe distance from the lift table during opera tion 24 Once the lift table has been tested fill in the se rial number Model Number and Date on the front cover of this Manual On the back cover fill in your company information date installed and contact number or company information By doing this you are agreeing that the lift was installed as per the in struction manual s directions and per local codes and regulations JH INDUSTIRES INC CAPACITY The load capacity rating as stamped on the name plate of your lift table designates the gross ca pacity assuming uniformly distributed load This ca pacity must never be
9. exceeded as permanent dam age may result The relief valve has been preset to raise the indicated capacity plus an overload In the case where special tops gravity roll sections etc are installed on the lift after leaving our factory de duct the weight of these from the load rating gross capacity to obtain the net capacity The maximum rollover capacity in fully low ered position is to be the maximum rated lifting ca pacity Applying loads exceeding the rated capacity can result in excessive wear or damage to the lift and injury to personnel For end and side loading reduce the end and side loading capacity by 2 for every inch added to the standard minimum length or width I E 40004 24 x48 4 0004 gross capacity As 24 x60 3 040 end load 4 000 side load As a 48 x72 2 080 end load 2 080 side load Re duce the end or side loading capacity by 33 if the loads are going to be rolled onto the platform when the lift is other than fully lowered Do not exceed lift table capacity Over loading could result in serious injury or death OPERATION Before operating the lift table read and follow Safety Practices on page Use by untrained people could result in serious injury or death Read and follow com plete Operation instructions DO NOT USE THE LIFT TABLE IF IT LOOKS BROKEN OR DOES NOT SEEM TO WORK RIGHT Tell your supervi sor it needs repair Always use common sense and take responsibility
10. for the safety of everyone near the lift table Keep all body parts clear of any moving parts travel path while raising or lowering the lift table Never go under a lift table with out maintenance bar properly positioned and secured Failure to follow these and other provided warnings could result in serious injury or death All electrical wiring and connections should be done by a qualified electrician To avoid damage to load and lift table do not operate unit if any obstructions or debris may interfere with the safe operation of the lift table Be sure that all personnel in the area are a safe distance away from the lift and aware that you are about to move it INTRODUCTION The function of a lift table is to raise lower rotate tilt or position loads within the specified capacity to a desired height or position Lifting or position ing is provided through hydraulic cylinders Upon application of hydraulic power the cylinder ex tends or retracts uniformly either lifting lowering rotating or tilting the platform Hydraulic power is supplied through a combination pump motor assembly The power unit incorpo rates a pressure relief valve load holding check valve lowering valve and oil reservoir JH INDUSTIRES INC MAINTENANCE This equipment should be used and maintained only by qualified personnel Failure to do so could result in property damage seri ous injury or death READ AND FOLLOW THE OPERATING I
11. to the most extreme situations Indicates a potentially hazardous situation which if not avoided could result in death or serious injury Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury It may also be used to alert against unsafe practices NOTICE is the preferred signal word to address practices not NOTICE related to personal injury The safety alert symbol shall not be used with this signal word As an alternative to NOTICE the word CAUTION without the safety alert symbol may be used to indicate a message not related to personal injury Verify that this is the most current Installation Operation and Service Manual To obtain an updated version please contact JH Industries Inc 1981 E Aurora Rd Twinsburg Ohio 44087 330 963 4105 Phone Or visit our website under Lift Tables to download and print an up to date Version www copperloy com iii JH INDUSTIRES INC SAFETY PRACTICES Read these safety practices before in stalling operating or servicing Lift Table Fail ure to follow these safety practices could result in property damage serious injury or death READ AND FOLLOW THE OPERATING INSTRUCTIONS CONTAINED IN THIS MANUAL BEFORE OPERATING THE LIFT TABLE If you do not understand the instructions ask your supervi sor to teach you how to use the Lift Table This equipment should be used and maintained only by q
12. trical lock out tag out to prevent lift operation A DANGER HIGH VOLTAGE Prior to any mainte nance or installation disconnect power source and or lock out to prevent lift operation Verify that all power sources are removed and no stored power source exists Failure to do so will result in death 6 Once all work is complete follow the safety prac tices in reverse to raise the lift to remove the main tenance bar and reinstall all safety and mainte nance devices back into their designated storage areas At all times during the lift s movement there are pinch points that are created See Figure 4 amp 5 If any part of your body is caught in the lift you may be seriously injured Maintain a safe distance from the lift table dur ing operation MAINTENANCE BAR MAINTENANCE BAR STORAGE BRACKETS FIGURE 3 Maintenance Bar Installation JH INDUSTIRES INC Copperloy FIGURE 4 TILT TYPE TABLE 5 Y P FIGURE 5 LIFT TYPE sar 7 JH INDUSTIRES INC 1 One on each side of lift platform Requires 2 ADANGER Do not work under lift without maintenance device 2 One on each side of the lift base near each scissor arm Requires 2 To avoid bodily injury stand clear while lift table is moving 8 To be placed on the control station by installer Requires 1 4 To be placed on each side of the tilter table platform Requires 2 7212
13. 9 SOL 2 55 WHT 23 zu ABER LS e er 2 LS 24 WHT WHT DOWN LIMIT 13 14 SWITCH 208 230VAC SINGLE PHASE DOUBLE ACTING SINGLE FUNCTION OPERATION FIGURE 12 208 230V 1 PHASE z 1 L1 ore Li L1 TL BLK NOT usep L2 5o ES L3 T3 WHT 7 FUSED DISCONNECT BY OTHERS BLK WHT 5 7 120 RAISE 24 soisi RED 20 BLK 21 T os 4 UP LIMIT 1 95 96 Al 2 SWITCH 1 CR B LOWER IN 5 FA WHT 23 D BLK 2 15 4 WHT 2 o DOWN LIMIT 13 14 SWITCH 14 JH INDUSTIRES INC 208 230 460V AC THREE PHASE DOUBLE ACTING SINGLE FUNCTION OPERATION FIGURE 13 208 230 460V 3 PHASE 1 OL 25 LI ero L1 LX BLK L2 T2 WHT 12 oo ro L3 RED 16 0 L FUSED DISCONNEC BY OTHERS BLK 5 WAT 7 use 501 1 d RED 20 BLK 1 15 bs L CR A OL WHT RED 1 a 9 95 tT o coz UP LIMIT SWITCH 1 CR B LOWER Q m 5 9 50 2 515 WHT BLK 2 15 24 WHT WHT Ca DOWN LIMIT 13 14 SWITCH 15 JH INDUSTIRES INC Copperlo
14. All an chor bolt lengths must suit local codes and condi tions Type and depth of concrete will determine type and length of anchor bolts required See Figure 2 INSTALLATION JH INDUSTIRES INC MOVE OFF AND ON 1 ROLLER END SHIM AND GROUT UNDER FIXED ENTIRE BASE FRAME END Figure 1 Pit Mounted Lift Installation Note Above diagram is to be used as a general guide line Consult anchor manufacture for specific installation instructions Figure 2 Lag Bolt Attachment Methods anchor bolts must be installed in ac cordance with the manufacturer s instructions amp local code rules and regulations Improper in stallation may result in serious injury or death Do not install anchor bolts in cracks or expan sion joints in concrete Installation in cracks or expansion joints may cause the an chors to come loose and pull out Use of im properly installed anchor bolts may result in serious injury or death Hydraulic Connections For External Power Units Only 11 Begin by blowing out all hydraulic lines with compressed air before connecting at all con nections 12 Locate the location for the power unit and mount as required Make sure the unit is in an area that will not be prone to moisture Do not install where flammable gasses tend to collect Keep all hyaraulic oil and lines free of dirt moisture and any type of contamination Be sure to flush all hydraulic lines before connecting Ext
15. H BLK b L DOWN us 29 1 CR B LS 9 BLK 1 2 1 15 30 War 3D i DOWN LIMIT 4 5 SWITCH 18 JH INDUSTIRES INC Copperley HYDRAULIC DIAGRAM HYDRAULIC DIAGRAM Before servicing the lift table read and follow Safety Practices on page iii Always be certain the lift table is in the raised position SECURED WITH THE MAINTE NANCE BAR see Figure 3 before doing any maintenance or repairs under the lift table Fail ure to do so could result in serious injury or death Be sure the hydraulic system is not under pressure before loosening or doing any mainte nance to the hydraulic hose and fittings SINGLE ACTING SINGLE FUNCTION OPERATION FIGURE 17 HYDRAULIC CYLINDERS PRESSURE COMPENSATED o FLOW CONTROL Y VALVE __ L 7 5 2 CHECK VALVE DIRECTIONAL um VALVE 3 71 Qi PRESSURE RELIEF VALVE AIO HYDRAULIC PUMP SUCTION STRAINER lt gt ji 5 gt RESERVOIR 19 JH INDUSTIRES INC 2 2 DOUBLE ACTING SINGLE FUNCTION OPERATION FIGURE 18 PRESSURE is X SATED FLOW _ 5 e COUNTE v
16. JH INDUSTIRES INC Copperloy Inplant Lift Tilt and Rotate Installation Operation amp Service Manual JHinpustRrIEs INC 1981 E Aurora Rd Twinsburg Ohio 44087 330 963 4105 Phone www copperloy com Do not install operate or service this product unless you have read and understand the Safety Practices Warnings Installation and Operating Instructions contained in this manual Failure to do so could re sult in serious injury or death JH INDUSTIRES INC WARRANTY ALL WARRANTY CLAIMS MUST HAVE PRE APPROVED RATES TIMES AND AUTHORIZATION NUM BERS PRIOR TO ANY FIELD WORK IN ORDER TO BE ACCEPTED BY JH INDUSTRIES INC JH Industries Inc expressly warrants that any Lift Table sold by it will be free from defects in material and workmanship under normal use for a period of one 1 year on all structural parts and six 6 months on all electrical and hydraulic parts from the earlier of 1 sixty 60 days after the date of shipment or 2 the date of installation of the Lift Table by the original purchaser provided the purchaser maintains and operates the Lift Table in accordance with the Owners Manual In the event that the Lift Table proves to be defective in materials or manufacturing workmanship within the applicable period JH Industries Inc will at its option 1 Replace the Lift Table or the defective portion thereof without charge to the purchaser or 2 Alter or repair the Lift Table on side or elsewher
17. NSTRU CITONS CONTAINED IN THIS MANUAL BEFORE OPERATING THE LIFT TABLE If you have any questions concerning this manual or it s contents please contact your dealer or JH Industries Always use common sense and take respon sibility for the safety of everyone near the lift table The following are the only factory approved practices for working under the Lift Table At ALL times while working under the Lift Table these in structions need to be followed If any of the safety or maintenance devices seem to be damaged or are missing STOP immedi ately and contact your dealer or JH Industries for assistance Your failure to use the approved and provided procedures and maintenance devices is not the liability of the manufacturer Do not use the maintenance bar to sup port any load other than the Lift Table Remove all loads prior to engaging the maintenance de vices Failure to follow these instructions will result in permanent damage to the lift table and could result in serious injury or death 1 Raise the lift table to it s full raised position 2 Remove the maintenance bar from the storage brackets located on the front of the base frame and engaged in vertical slots in base frame See Figure Z3 3 Lower the lift table onto the maintenance bar For single acting cylinders only Continue to depress the down button for 10 seconds to re lieve all pressure in the hydraulic system 4 Disconnect power source and follow OSHA elec
18. are braided wire type Al ways consult factory regarding special fluids rather than make assumptions on your own NOTICE For extreme cold applications we recommend an oil immersion heater For extreme warm temperature ranges of 20 to 140 Fahrenheit you may switch to 10W30 mo tor oil If ambient temperatures are expected above 140 consult factory JH INDUSTIRES INC HYDRAULIC SEE MAINTENANCE Before servicing the lift table read and follow Safety Practices on page iii Always be certain the lift table is in the raised position SECURED WITH THE MAINTE NANCE BAR see Figure 3 before doing any maintenance or repairs under the lift table Fail ure to do so could result in serious injury or death Be sure the hydraulic system is not under pressure before loosening or doing any mainte nance to the hydraulic hose and fittings CYLINDER REMOVAL 1 Raise the lift table to full raised position 2 Install maintenance bar See Figure 3 3 Lower the lift table onto maintenance bar Depress the down button for an additional 20 second to relieve any pressure from the cylinders 4 Disconnect power source and lock out to prevent lift operation 5 Disconnect the hydraulic hoses from the cylinder and cap the hose ends to prevent contamination 6 Remove the upper cylinder pin first then the lower pin if applicable 7 Remove the cylinder from the lift being careful not to damage the surface finish of the
19. d Valve check and clean See Hydraulic Section k Disconnect hydraulic line at power unit Put hose end in a large container and run pump again If no output check motor rotation as per 1 a above Check also the pump motor coupling which may be defective and correct as necessary If pump is worn replace with a new pump a Lower the Lift Remove the Solenoid Valve And clean it See Hydraulic Section b Correct as necessary See also 1 g i c See 1 c d See 1 f e Refer to Oil Viscosity Recommendations f Cylinder may be binding Align correctly g See 1 k a See 1 b Check that one leg of motor lines is not connected to ground c See 1 g h i k d See 2 f JH INDUSTIRES INC Trouble Shooting Observation Possible Cause 4 Spongy or Jerky Lift operation Do not a Air trapped in cylinders confuse spongy operation with small surges caused by foreign material on lift wheel roller plate b Oil starvation 5 Lift lowers too slowly when loaded a Down Valve filter clogged b Pinched tube or hose c is to thick d Foreign material in Flow Control Valve e Binding cylinders f Foreign material in Velocity Fuse g Pressure Compensated Flow Control Valve is defective 6 Lift lowers too quickly Leaking hoses cracked fittings b Check valve stuck open The combination of a stuck Check Valve and open Solenoid Valve will caus
20. d and remove all shipping material from the Lift Table Make sure that there was no damage to the lift during shipping If damage has oc curred contact the owner and or manufacturer Do not install lift table if damage has occurred Do not install lift table if damage has oc curred Personal injury or death could occur For Proper Installation the lift must be in stalled on a stable surface Failure to do so could cause the lift to be unstable resulting in personnel injury or death 4 The lift table can be either surface mounted or pit mounted with the use of anchors to a secured foundation to help maintain stability 5 The lift table can be moved with a lift truck or slings placed around the base frame Caution should be used not to deform the frame or platform Do not attach slings or use the top of the table to move the lift this could damage the lift 6 When positioning the lift table in a pit position the lift and align the frame carefully so a 1 clearance is maintained around the deck or platform level the unit and place solid shims and grout under the base frame as required See Figure 1 7 Lift tables with platform sizes larger than the ad vertised minimum require anchoring using the supplied anchor tabs attached to the base frame 8 Drill anchor hole 1 2 to 1 deeper than anchor embedment 9 With nut and washer in place insert anchor and tap into position 10 Tighten to manufacturers specifications
21. e motor run longer than 3 seconds in the incorrect direc tion Always verify that the motor is turning in the cor rect direction after installation 17 Follow all wiring diagrams located in this manual to make permanent electrical connections Do not use the maintenance bar to support any load other than the Lift Table Remove all loads prior to engaging the maintenance devices Failure to follow these instructions will result in permanent damage to the lift table and could re sult in serious injury or death 18 Raise the lift table to it s full raised position 19 Remove the maintenance bar from the storage brackets located on the front of the base frame and engaged in vertical slots in base frame See Figure 3 20 Lower the lift table onto the maintenance bar For single acting cylinders only Continue to de press the down button for 10 seconds to relieve all pressure in the hydraulic system 21 Visually check the hydraulic fluid level and add as required See Oil Hecommendations Sec tion 22 Clean up and clear the entire area around the lift Remove any material that is not necessary for the use or function of the lift table Make sure to remove all hydraulic oil from the area Hydraulic oil can cause unsafe work areas and can be a fire hazard Any time the lift table is to be used make sure the area is clear and let all personnel around the area know that the lift table will be in use Make sure all material or
22. e without charge to the purchaser This warranty IS EXCLUSIVE AND IS IN LIEU OF ALL GUARANTEES AND WARRANTIES EXPRESSED OR IM PLIED BY ANYONE OTHER THAN JH Industries Inc sole warranty obligation shall be as set forth above The warranty does not cover any failure caused by improper installation abuse misapplication overloading negligence or failure to lubricate and maintain the Lift Table properly Parts requiring replacement due to damage resulting from vehicle impact abuse improper operation or lack of proper protection are not covered by this warranty Seller assumes no responsibility or liability for 1 consequential damages of any kind which result from the use or misuse of the Lift Ta ble 2 damage or failure resulting from the use of unauthorized replacement parts or modification to the Lift Table 3 damage resulting from the misuse of the Lift Table THERE ARE NO WARRANTIES EXPRESSED OR IMPLIED WHICH EXTEND BEYOND THE DESCRIPTION ABOVE THERE IS NO WARRANTY OF MERCHANTABILITY OR OF FITNESS FOR A PARTICULAR PURPOSE JH Industries Inc warranties extend only to the product itself JH Industries Inc DISCLAIMS all liability arising out of the workmanship methods and materials used by the installer JH Industries Inc DISCLAIMS all liability for premature wear product failure property damage or bodily injury arising from improper installation or mai
23. e excessive speeds c Foreign material stuck in Flow Control Valve In this case lift lowers initially at a normal rate then speeds up as the platform descends 7 Lift raises then lowers slowly a Down Solenoid Valve may be incorrectly wired or stuck open due to dirt b Check Valve may be stuck open c Check for leaking hoses fittings pipes d Cylinder packing may be worn or damaged 8 Lift has raised but does not lower a Blown electrical fuse b Incorrect Down Solenoid Valve wiring c Down Solenoid Valve stuck d Faulty Down Solenoid Coil e Maintenance safety bar or some other object blocking down travel f Binding cylinders 22 Copperloy Remedy a Bleed cylinders by lowering lift fully and hold Lower button for 20 30 seconds more Raise lift and repeat procedure several times Bleed cylinders also with maintenance bar in place Loosen fittings on cylinder s until a steady stream of oil comes out b See 1 e g h i a Remove Solenoid Valve and clean filter b Correct as necessary In case of pipe check for obstruction inline c See Oil Viscosity Recommendations for your ambient temperatures d Lower lift remove Flow Control Valve and clean See Hydraulic Section e See 2 f f Remove and clean g Remove and replace a See 2 b Remove Check Valve and clean it See Hydraulic Section c Remove Flow Control and clean it See Hydra
24. er nal Power lines as they could have become con taminated during shipping or installation 13 Replace the Solid shipping plug on the hydrau lic fluid tank with the vented plus supplied 14 Connect all hydraulic lines as required Make sure to blow out all lines prior to connection Make sure that all hydraulic lines are free of the lift table during operation A pinched or cut hydraulic line could cause the lift table to lower suddenly Serious injury or death could occur Electrical Connections The lift may be powered by a power sup ply of up to 480 VAC Do not work with any electrical parts unless you are a qualified elec trician Serious injury or death could occur JH INDUSTIRES INC INSTALLATION 15 See fusing table Table 1 Page for correct fuse connection Always use the correct fuse and wire size for connections Use the correct fusing requirements for each motor to avoid fire danger or electrical shock Serious injury or death could occur 16 Always verify that in all 3 phase motors the motor is turning in the correct direction as shown on the motor housing or pump If the motor is not turning in the correct direction STOP do not operate Change any two of the three phase leads to change motor direction If this does not solve the issue See the trouble shooting section or contact the factory If the motor is rotating in the incorrect direction this could cause damage to the pump Never let th
25. ntenance WARRANTIES whether expressed or implied relating to workmanship and materials used in connection with the installation of JH Industries Inc products are specifically DISCLAIMED This manual is only intended to be used for inplant lift tilt and rotate tables only Dock lifts are not cov ered under this manual set For correct manuals contact factory for a copy Failure to do so could cause serious injury or death JH INDUSTIRES INC TABLE OF CONTENTS WARRANTY TABLE OF 5 iii SAFETY PRACTICES 1 INSTALLATION 2 4 CAPACITY 5 OPERATION 5 MAINTENANCE 6 SAFETY LABELS 7 8 OIL RECOMMENDATIONS 9 HYDRAULIC CYLINDER MAINTENANCE 10 CYLINDER FIGURES 11 WIRING DIAGRAMS 12 18 HYDRAULIC DIAGRAMS 19 20 TROUBLE SHOOTING 21 23 JH INDUSTIRES INC SAFETY A product safety sign or label should alert persons to a specific hazard the degree or level of hazard seri ousness the probable consequence of involvement with the hazard and how the hazard can be avoided SIGNAL WORD is a word or words that designate a degree or level of hazard seriousness The signal words for product safety signs are DANGER WARNING CAUTION and NOTICE Below is each of these signal words along with their definitions as directly referenced from ANSI Z535 4 1998 T DANG E R Indicates an imminently hazardous situation which if not avoided will result in death or serious injury This signal word is to be limited
26. ous injury or death READ AND FOLLOW THE INSTALLATION IN STRUCITONS CONTAINED IN THIS MANUAL BE FORE INSTALLING THE LIFT TABLE If you have any questions concerning this manual or it s con tents please contact your dealer or JH Industries Permanent installation of lift table may be subject to local code rules and regulations Check local codes and regulations first It is the owners or installers responsibility to obtain any necessary per mits and inspections During Storage and shipping protect the power unit from weather and moisture Verify before installation that all electrical components are dry and have not been damaged by mois ture Failure to do so could cause personnel in jury or death The Electrical motor or power pack can give off sparks and does not qualify as explo sion proof Verify the area where the motor will be installed is free from flammable gasses Per sonal injury or death could occur 1 Read all installation and maintenance instruc tions and manuals Read and understand all warnings if there are any questions please con tact the manufacturer 2 this is a pit mounted lift visually inspect the pit for any issues that could interfere with the instal lation or use of the lift Contact builder or owner with any issues that you may see Verify the pit is square and that the walls are vertical with the floor of the pit Use a carpenters square or di agonally measure the pit for square 3 Unski
27. rod 8 Place the hose connection end of the cylinder in a container or bucket and force the cylinder closed to NOTICE If Lift Table is equipped with multiple cylinders it is recommended to rebuild all cylinders at the same time Seals generally wear at the same rate if you only rebuild one cylinder you may have to pull the lift out of service soon thereafter to do the others CYLINDER DISASSEMBLY 1 Secure the cylinder a work bench Do not use a vise or clamp on the cylinder housing this could dam age the housing Remove the snap ring retaining the cylinder gland See Figure 4 amp 5 3 Carefully pull out the entire rod gland and piston as sembly 4 Remove the hex lock nut retaining the piston then slide the piston off of the rod Be sure all components are placed on a clean surface to avoid contamination 5 Carefully inspect the entire housing with a flashlight looking for any evidence of rust scratches or surface blemishes Small blemishes may be removed with fine emery cloth and larger faults will require the use of a hone Thoroughly clean the housing before re assembling to avoid contamination 6 Remove all old seals and wear rings Clean the piston rod and gland Inspect for any possible damage and replace if necessary CYLINDER REASSEMBLY 1 Reinstall new seals and wear rings use some lubri cant to aid in ease of assembly See Figure 4 amp 5 for correct seal placement and direction
28. suction line of pump 23 Copperloy Remedy g To unlock re pressurize the hydraulic sys tem h Put maintenance safety bar in place and unscrew plug the fitting going into the cylin ders This will relieve the pressure inside the cylinder After the platform by a few inches reset the Limit Switch to cut off motor at set vertical travel i See note in the Installation Section of this manual on how to remove the air lock from the valve a See 2 b See 7 Check oil level and fill as required b Check for leaks and repair as needed JH INDUSTIRES INC Copperloy JH Industries Inc 1981 E Aurora Road Twinsburg OH 44087 Phone 1 330 963 4105 Fax 1 330 963 4111 Toll Free 1 800 321 4968 www copperloy com
29. ualified personnel Before doing any maintenance or repair on the Lift Table SECURE WITH THE MAINTENANCE BAR See Figure 3 on page 3 FOR ALL MODELS Never exceed the rated capacity of lift table Never exceed the rated end or side load capacity Do not operate the lift table while under the influence of drugs or alcohol Do not operate the lift table with equipment material or people around or under lift table Always be aware of your surrounding while operating and keep the lift table in your sight Stay clear of the lift table when it is moving keep hands and feet clear of moving parts at all time Do not reach under or go under lift table with out the maintenance bar properly secured Consult the factory if there is a need to maintain the safety of people or debris from entering the underside of the lift table Optional side skirts are available Lift table is not designed to carry personnel or other ma terial handling equipment Do not walk on drive on or ride on the lift table at any time Maintain equipment to safe working condition at all times during service See maintenance section for servicing schedule Do not use the lift table if it looks broken or does not seem to work right Tell your supervisor it needs repair right away Do not use this unit for any other use outside its intended design use Do not attempt to lift the lift table by any means other than that described in the operating procedures con
30. ulic Section a See 2 b Remove and clean See Hydraulic Section c Correct as necessary d Replace packings See Cylinder Repair procedure a Check and replace b Correct as necessary See Wiring Sche matic c Lightly tap down Solenoid Coil body to seat it properly Do not hit hard as it will permanently damage the internal stem Do not remove the Solenoid Valve from the pump or block as the unit will come down at a dangerous speed d Remove and replace e Raise lift an remove the safety bar or whatever object is blocking the down travel then press the lower button f See 2 f JH INDUSTIRES INC Observation 9 Table raises then slowly drifts back down 10 Lift will not raise full vertical travel Trouble Shooting Possible Cause g In case of excessive down speeds the Velocity Fuse will become operative and shut off oil flow from cylinders thus the platform will remain stationary h Check if the Limit Switch is inoperative and the platform has raised all the way so that the me chanical stops are in operation If mechanical stops are in operation velocity fuses have been locked up i If Limit Switch is operative and the platform has not raised all the way to the mechanical stops the Pressure Compensated Flow Control Valve may have locked itself because of oir a Lowering valve may be stuck open b Check Valve stuck open a Low oil level b Leak in the
31. ve be energized by faulty wir ing or stuck open k Hydraulic pump may be inoperative a Foreign material stuck in Down Solenoid caus ing some oil to bypass back into tank b Foreign material clogging suction filter breather cap pressure line filter or a pinched hose c Low Motor voltage d Lift overloaded e is too thick for proper operation f Lift operates with a shuddering vibration g Pump is inoperative a Voltage may be low b Incorrect wiring c Oil starvation causes pump to bind High inter nal heat is developed if this occurs pump may be permanently damaged d Binding cylinders 21 Copperloy Remedy a See arrow on pump to check correct rota tion Change motor rotation per notes in Elec trical Section If lift has been running properly for some time then it is possible that plant wiring has been changed and the motor is now running reversed b Check wiring and overloads fuses etc to Ascertain that all 3 phase lines are present at the motor c Measure voltage at motor terminals or as near as possible while pump is running under load If voltage is sufficient check for inadequate or incorrect wiring as this can starve the motor Correct as necessary d Correct as necessary e Add oil f Do not change Relief Valve setting Instead reduce the load to rated capacity g Remove and clean h Check fittings i Remove and clean j Remove Solenoi
32. vi R BAL E dio ry X DIREC 1 1 lt PRESSURE HYDRAU lt gt Ji SUCTION RESERVOIR STRAINER DOUBLE ACTING DOUBLE FUNCTION OPERATION FIGURE 19 HYDRAULIC PRESSURE _ m COMPEN 54 lo y 5 K SATED FLOW 1 ea __ et DUAL n IE Pe COUNTE 1 p m R BAL i o DIREC FLOW CON TIONAL M a TROL VALVE a E CHECK i PRES SURE HYDRAU RELIER LIC PUMP lt SUCTION STRAINE RESERVOIR 20 JH INDUSTIRES INC Observation 1 Lift does not raise but pump is running 2 Lift raises too slowly 3 Motor labors or heats excessively Trouble Shooting Possible Cause a Motor rotation may be reversed b Motor may be single phasing humming Three phase motors only c Voltage at motor terminals may be too low to run pump at existing load d Hose or hydraulic line is leaking e Oil level in reservoir is low f Load exceeds capacity requirements Relief Valve is bypassing the oil back into tank g Suction filter is clogged starving pump h Suction line may be leaking air due to loose fittings i Filler Breather cap on tank may be clogged 1 Down Val
33. y 120VAC SINGLE PHASE DOUBLE ACTING DOUBLE FUNCTION OPERATION FIGURE 14 ov 1 M A 1 PHASE Moos ee HOT Le T2 BLK BLACK L3 NEUTRAL 2 GRN WHITE abo T UP SOL 1 20 RED BLK BLK 1 CR A 2 CR A OL 1 15 21 oto UP LIMIT 3 2 3 2 95 96 1 A2 SWITCH T DOWN SOL 2 WHT 23 BLK BLK 3 CR A 2 CR B 1 18 24 I DOWN LIMIT 3 2 1 2 SWITCH 2 4 5 SOL 3 BLK 4 L UP 26 3 CR B BLK 1 2 1 15 27 WHT BLU d UP LIMIT 4 5 SWITCH 501 4 BLK o 4 L DOWN 29 1 CR B BS ORG 9 4 BLK 1 2 1 15 30 tS wur 30 086 0 d 4 DOWN LIMIT 4 5 16 JH INDUSTIRES INC 208 230VAC SINGLE PHASE DOUBLE ACTING DOUBLE FUNCTION OPERATION FIGURE 15 208 230V 1 PHASE T 1 K LL oto Lt Zi i Be NOT 2 120 USED L2 L2 13 WHT FUSED DISCONNECT BY OTHERS BLK WHT 5 7 120VAC 6 24 Teup SOL 1 L RED 20 BLK b c BLK
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