2G & 3G Light Duty Lift Tables Service Manual - Lift
Contents
1. HYDRAULIC CIRCUIT 8 ELECTRICAL PRINCIPLE DIAGRAM Hydra lic cylinder amper Uectroma netic valve J Filter Check valve H f Throtle valve l E 1 A Felie alve HA otor Hydraulic pump Fig I Hydraulic Circuit N pagal PE 5 5 p Ro arm 2P DA prepared by t customer KANAA A Dou T mon set Kao s m m 4 L E E m 5K 0805 w sm Pal 0882 3 5 P u I ME D E NUT acl rut k w J F prepared by i Lr TOUF SW n Vii 6 customer RSSG7 5A 9 KAOB sat 502 IF install down limit VDRI CN please take off wire 10K421 A IBY between point 5 and Ram D pont 6 connect limi Svilch to paint 5 and point 6 separately LBI 18K 1W tl wog w Kona m BC6 30 10 der qyqus USE KIBR l Katia JJ 5 th W FOIA TAM TOUR AY 1000UF 63V DZY st D AANA L MMA my n OCR el wi INGOOT MIW G SK6 wi E KAG B X RUE BV iv T Kos F ADOT E Di d Mi nowe name Desenption ay MEX ee freme CON BE EEE e jeste eme EEE E Ca yon agapan sr Joa 1 e fo aw BEE GE CC a 1 ua CCT EEE GE OCT seneess UE s o1 020304050607 Sen ecu tede2. mor 17 Dew eeeronegretewe pue f Cu ss Jerez sss pursseczesem A Dus fomen pec UE Cus usu perse EEE GE ae sa jwumeswes a Ds CTUETTO EN TN EIC down imitswich ATC 1 ea jemww UE E aT 1 Deje la how EEE GE Pe peso ots la a fes osos la Emme mex jo EEE GE s won Isubo hw E EE Cw eaa EXITO TOTO poa J 3 as fico maan l1 e u m UE EE a7 ocx ETSII mn E Pme EC lol lp ho ts 1 oe jeee a Fig 2 Electric Principle Diagram rer Ir Ir Ir Ir J w Ir r r r r Ir Ir Ir In Ir Ir e r ir IS Im Ir Ir r er r ja HEN 7 SERVICE INSTRUCTIONS e Do routine check of fasteners packing and oil leaking e Do routine check of the function of the lift table e Before service the lift table make sure to turn off the AC power supply e After service it is necessary to check the function of the lift table again e ONLY a qualified personnel can do service work e Do routine check of the mirco switches on the safety guard e Do routine check of the hydraulic system by listening its noise touch motor s surface e Caution It is necessary to turn off the AC power supply before tough motor s surface e Pay attention to clear or even replace the oil filter after operating for a long time e Appropriate lubrication is necessary to make the lift table work easily and have a pro longed service life e The following table is
3. THE LIFT TABLE e LOADING The maximum capacity of the lift table is 1 000kg Load should be distributed on the lift table equally e LIFTING THE TABLE CAUTION Do not overload the lift table Ensure the balance of loading Do not load partially or conventrically e Screw and loose emergency stop switch e Push the UP button and power pack start to work to the lift load e Loose the UP button and power pack stops working e LOWERING THE TABLE WARNING Do not put foot or hand in scissors mechanism e Push the DOWN button and the table will lower e Loose the DOWN button and the table will stop NOTE e The table is equipped with an aluminum guard to avoid accidental danger e If aluminum guard strikes an object while the table lowers stop operation and check the lift table After making sure no any abnormality strike the UP button slightly and then the electric system will function as before e EMERGENCY STOP There are two methods of emergency stop as follows e Push down the emergency stop switch and the movement of table stops e Strike aluminum guard upward and the movement of table also stops e TRANSPORTATION If necessary the lift table can be transported with attached ring bolts e Pay attention to the maximum capacity of lifting equipment to be used e Keep the ring bolts with reasonableness e MOTOR WORKING TIME e Motor hours of work in one hour less than nine minutes 6 See Figure 1 amp Figure 2
4. load distribution chart e Pay attention if local voltage and frequency is as same as the input specification of the lift table e Use the lift table on flat and solid ground e All the electrical connection and disconnection operations must be carried out by skilled and competent personal e While operation it is forbidden to contact the moving parts of the lift table e While the lift table moving it is forbidden to adjust or to move the load e It is forbidden to lift the load which perhaps does harm to a person or other object e Itis forbidden to operate the lift table while a person is under the table e Do not adjust the safety valve of hydraulic power pack e It is forbidden to operate the lift table even if there is a small structure distortion e Do not use in an explosive or flammable place NOTE Maximum load refers to the load being uniformly distributed over the entire platform area In accordance with EN1570 Safety Requirements for Lifting Tables the basic require ments are 2 securely affixed on the flow to prevent unintentional movement 1717 100 of the rated load maximum load uniformly distributed over the entire platform area or 50 of the rated load maximum load uniformly distributed over half the length of the platform area or 33 of the rated load maximum load uniformly distributed over half the width of the platform area INSTALLATION OF LIFT TABLE ON THE FLOOR GROUND OR IN A PIT Doub
5. recommended to service the lift table periodically or every 3 months later every year Check oil level of oil tank Check the cleanliness of oil filter Fasten all the connecting parts again Check wear and tear of pressure oil pipes Check hydraulic cylinder Check the function of micro switches Check whole working state of the lift table Lubricate all the joints and pivot points Check wear and tear of all axial bushes Replace hydraulic oil for the first time Accumulated working ten hours Replace hydraulic oil Check oil leaking Remark stands for proceeding the items 8 GREASING POINTS Piston Rod Bearing Lower Running Wheel Lower Arm Fixing Arm Center Upper Arm Fixing Upper Running Wheel DUBWN ES When greasing the bearings the lift table must not be loaded When determining oil levels bear in mind that the tank contains the greatest amount when the lift table is in its lowest position Hydraulic oil must be treated as dangerous waste 8 9 TROUBLE SHOOTING Note Before service it is necessary to put down the prop lest the table lowers accidentally Table cannot lift while motor works e Eyebolt has not been removed Remove eyebolt normally e AC voltage phases mistake e Correct AC voltage phase e Electromagnetic dysfunctions e Check the function of electromagnetic valve and repair it e The table is overloaded e Remove excessive load Table cannot lift and motor does not Lowering limit switch
6. 2G 8 3G Light Duty 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 2G2848 2G3849 3G3049 3G3849 S N Customer LIFT PRODUCTS INC THANK YOU VERY MUCH FOR SELECTING OUR PRODUCT THIS INSTRUCTION MANUAL DESCRIBES CORRECT OPERATING METHOD TO ENSURE PROLONGED SERVICE LIFE PLEASE READ AND COMPLETELY UNDERSTAND THIS MANUAL BEFORE OPERATING THE LOW PROFILE LIFT TABLE ALWAYS KEEP THIS MANUAL AT THE APPROPRIATE PLACE IF THE MANUAL OR WARNING DECAL IS MISSING PLEASE CONTACT THE DEALER Note This manual has bee prepared for skilled and competent personal It provides instructions for using the product correctly and parts list This manual cannot replace the professional skills and expertise of the user 1 WARNING If operating the lift table improperly a person may be seriously injured Therefore operate properly according to the following instructions e Read 8 thoroughly understand the instruction manual completely before using Follow ing all safety instructions strictly e Itis necessary to check all safety devices before operation e Make sure that there are no obstacles in the working area e Do not put foot or hand in scissors mechanism or though frame e Screw the lifting eyes on the base frame before working on the lift table e Do not overload the lift table Load should be distributed on the table according to relevant
7. if e Replace limit switch work existed damaged Table cannot lower e Lowering limit switch or e Replace lowering limit switch or micro switch on safety guard micro switch damaged e Electromagnetic valve e Check the function of dysfunctions electromagnetic valve and repair it e Safety guard works e Strike the UP button slightly e Something wrong with e Replace electric circuit board electrical circuit board Table s legs go over limit position if e Internal leaking in e Repair electromagnetic valve existed while table lowers electromagnetic valve and if necessary replace it e Packing damaged in hydraulic e Check and replace packing cylinder Table cannot reach the highest posi Oil not enough Fill enough oil tion e Limit switch damaged e Check and repair limit switch If necessary replace it The brand of oil is ISO HL32 such as Rando oil R amp 032 D T E Oil light Turbo 32 10 SPECIFICATIONS med 22349 263945 36300 3630 Tomas wo 7m 100 a1 stage mo Insulation Class TE S S o Net weight eg _ y wra 185 25 237 ABLE 2620497203049 NY 66 65 64 63 62 1 60 460 360 2 51 1 3050 49 59 3043 T 4544 Mel AL ddl Ga a op 0 43 ELECTRICAL BOX 25 LIFT TABLE SPARE PARTS LIST 2G2849 2G3849 ie pees 0 ie eames har a 7 on snewa
8. le or triple vertical scissor tables must be fixed to the floor ground by means of expander bolts or similar We also recommend that all other lift table table types with the exception of mobile units are Mechanical Electrical Installation 1 3 4 The base frame of the lift table is not as standard self supporting It is important that the flooring is flat and stable and that the installation area or pit when necessary is well drained Utilize a lifting sling through the scissor package Tie the base frame to the platform or the scissor mechanism Locate the table into the desired position Turn the fixed arm end to the side where the load will be moved on or off at upper level See picture below Check the operation of the safety frame on all sides The control device should be positioned so that the operator has a clear view over the lift table and the load at all times when the lift is operated LOADING UNLOADING AT THE FIXED ARM END Pit Drawing A Pit length a 30mm B Pit width b 30mm H Pit depth closed height of table 5mm 6006 a platform length 4 to b platform width b ww c drainage hole when required d tube for external cables and hoses 60mm e lowest height 2 CAUTION If operating the lift table improperly a person may be injured Therefore operate prope
9. lw H w 16 QTY DESCRIPTION 37 10 Plastic Cover 37 11 Screw M5x16 37 13 Nut M5 37 14 Nut M4 QTY 1 Internal Scissors 37 16 Screw M4x10 37 17 Plug for fuse Control Switch Safety Frame Screw Bolt M8x14 Safety Frame II Fixed board Connected board in in amp sm es Buers e num s ooispirgie es ste suite e me Eu Lifting Bolt M16 9 64 65 67 70 38 39 40 41 42 43 44 45 46 47 48 49 50 51 17
10. rly according to the following instructions The lift table is a movable lifter designed to lift or lower rated load Do not use it for other purpose Do not allow a person to operate the lift table who doe not understand its operation It is forbidden to change the lift table without manufacturer s written admission It is necessary to use the spare parts designated by manufacture Make sure to keep a distance between the table and ambient objects enough to operate the lift table safety Keep the hydraulic system under clean and safe condition The hydraulic power pack features an electric lowering control The coils must be fed with the required voltage as described on those coils The power supply voltage should not exceed 10 of the rated required voltage Always do maintenance and routine check with the lift table is unloaded The lift table is not waterproof and should be used in a dry environment DAILY INSPECTION Daily inspection is effective to find the malfunction or fault on the lift table Before operation check they lift table according to the following points CAUTION Do not use the lift table if any malfunction or fault is found Check all the terms of WARNING and CAUTION Check scratches bending or crack on the lift table Check smooth movement of the table Check if there is any hydraulic oil leakage Check the vertical creep of the table Check if all the bolts and nuts are firmly tightened 5 OPERATING
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