Longevity 444527 Instructions / Assembly
Contents
1. Djaj amp Cut off the Teflon core using a sharp knife 5mm after the end of the guide tube f inn f j H1 y lt 22 MIGWELD 250 MP ONGEVII Y e The power te last www longeviby inc com Spiral Diagram OULULLA WW LU 7 WN MD MM NWN gt 23 MIGWELD 250 MP ONE M www longeviby inc com a Item oymbol Description 1 nmm Gas nozzle 2 EE Contact tip 3 END Welding torch neck 4 Crown nut welding torch central connection euro 5 J old spiral guide 6 Central connection for welding torch Euro Integrated welding current shielding gas and torch trigger Td Holding Connector 8 new spiral guide 24 MIGWELD 250 MP ONGEVI Y Changing Wire Spool Removing the Wire Spool 1 Unlock the right hand cover on the machine 2 Open the cover and then remove upwards Inserting the Wire Spool 1 Loosen knurled nut from spool holder 2 Fix welding wire reel onto the spool holder so that the carrier pin locks into the spool bore 3 Fasten wire spool using knurled nut is Item symbol Description 1 Carrier pin For fixing the wirespool Knurled nut 2 For fixing the wire spool 25 MIGWELD 250 MP ONGEVI Y www longevity inc com Changing Wire Feeders 1 Slide new drive rollers into place so that the diameter of the wire used is visible on the drive roller 2 Screw the drive rollers in place with knurled screws2. 26 ONGEVIT Y MIGWELD 250 MP LONGEVI Item nm Echo www longevity inc com oymbol Description Pressure units Clamping units Wire feed nipple Guide tube Capillary tube or plastic core with support tube depending on the torch equipment Extend and lay out the torch hose package Unfasten pressure units and fold out clamping units and pressure rollers will automatically flip upwards Unwind welding wire carefully from the wire spool and insert through the wire connector over the drive roller grooves and the guide pipe into the capillary tube and Teflon core using guide pipe Press the clamping element with the pressure roller back downwards and fold the wire units back up again wire electrode should be in the groove on the drive roller oet the contact pressure with the adjusting nuts of the pressure unit Press the wire inching button until the wire electrode projects out of the welding torch 2 MIGWELD 250 MP LONGEVITY www longevity inc com Spool Brake Setting e Tighten the Allen screw 8mm in the clockwise direction to increase the braking effect Item symbol Description 1 Allen screw Securing the wire spool retainer and adjustment of the spool brake 28 MIGWELD 250 MP euni M MIG MAG CO2 yM Welding Process Process Selection Encoder 1 Encoder 2 Gas Check 1 Push the lt Welding Process button to choose the CO2 process 2 Push the lt 21 41 gt button
3. Ensure that ground cable is connected in accordance with applicable safety codes Never touch electrodes wires or circuit components with bare hands Wear dry welding gloves when welding The operator must be insulated from the work piece Smoke and gas can be harmful to health Ensure that the working area is well ventilated Avoid breathing smoke and gas generated during the welding process Cutting and welding can cause cancer because of the smoke that comes from the welds and cuts Arc light emission can be harmful to eyes and skin Always wear a welding helmet anti radiation glass and work clothes while welding Ensure that people in or near the working area are protected Welding splash is a fire hazard Keep flammable material away from the work place Keep a fire extinguisher nearby and have all personnel trained in it s use Surface noise generated while welding or cutting can be harmful to hearing In the event of a machine fault Refer to this instruction manual If the fault cannot be determined contact your local dealer or supplier for assistance MIGWELD 250 MP ONGEVI Y www longeviby inc com Safety Tips Consider the following tips to ensure safe operation of your welding cutting equipment Ensure that this welding equipment is installed in an area free of corrosive chemical gases flammable gases or materials and explosive chemicals The area should contain little dust and have a
4. The power to last www longevity inc com Operating Manual for SIMA ahLIl A AU GA MP MIGWELD 250 MP ONGEVI Y www longeviby inc com Table of Contents Table of Content Thank you From LONGEVITY Pg 2 Warranty Shipping Damage Order Information Safety Information Pg 4 5 Specifications and Ratings Pg 6 Main Unit Knob Button Function Diagram PES 0 Parameter and Settings Welding Parameters STICK Process MIG Torch Description Changing Wire Spool Changing Wire Feeders Spool Brake Settings MIG MAG Co2 Display Settings Pulse MIG Display Settings MIG Welding Tips and Tricks STICK Welding Tips and Tricks Routine Maintenance Contact Info MIGWELD 250 MP ONGEVI Y www longeviby inc com THANK YOU We at LONGEVITY want to thank you for purchasing our product You are almost ready to experience Longevity Welding first hand Longevity definitely appreciates your business and understand that this equipment may be overwhelming to setup and operate so we have prepared a manual that will assist you 1n understand your new welder If you have any questions during or after reading this manual please feel to contact us Please take a moment to register your product on our website at www longevity inc com or www lweld com Once again thank you for choosing Longevity as your main welding supplier Longevity Global Inc d Hayward CA 94545 Toll Free Customer Support 1 877 LONG INC 1 877 566 4462 We
5. 21 41 gt button to choose hold type of 2T or 4T Push the Dia Wire button to choose the welding wire size Push the Base Material button to choose the welding material Push the Process Selection button to select the welding process check the panel lt Process Indication the available setting will be lighted on by pushing the Left or Right selection button 4 Use Encoder 1 amp Encoder 2 to adjust the welding parameters 5 Push Gas Check button to check the gas before start welding lt Encoder1 gt used to adjust the Current A showed at lt DISP 1 gt lt Encoder2 gt used to adjust the Volts V Time S showed at lt DISP 2 gt co 00m 33 MIGWELD 250 MP ONGEVI Y www longeviby inc com Double Pulse MIG PULSE AMPS START AMPS ARC FORCE sl me E WELD CURRENT PULSE TIME EN END AMPS d BURN BACK VOLTS PULSE FREQUENCY Pa BURN BACK TIME a POST FLOW Process Indication lt Pre Flow gt amp lt Post Flow gt 0 3 0S lt Arc Inductance Degree gt 1 10 cAMP 1 Welding Current 0 250A 2 Welding Voltage 0 26 5V lt End gt 1 End Arc Current 10 250A 2 End Arc Voltage 14 26 5V lt Burn Back gt Time 0 01 0 5S Volts 10 25v 34 ONGEVIT Y MIGWELD 250 MP LONGEVI www longevity inc com Store Memory e Inthe Memory Settings buttons you can 1 oet the welding parameters and store it into memory The memory capacity right now is v
6. basic classifications 115V stick welders and 230 460V stick welders Stick Electrodes or welding rod for stick welding are available in stainless steel carbon steel low alloy steel maintenance alloy hard facing nickel alloy and magnesium 50 MIGWELD 250 MP ONGEVI Y www longeviby inc com Routine Maintenance The life of your machine and the quality of the work performed using your machine will be enhanced by practicing periodic routine maintenance e At regular intervals clear dust that may accumulate in the machine using clean and dry compressed air If the working condition has heavy smoke and pollution the welding machine should be cleaned once a month e Keep the machine exterior clean with a damp rag e Do not walk on or store items on the cables or cords e Do not jar drop or stack items on top of the machine e Always connect the machine to a proper grounded electrical outlet e Always check the torch consumables before and after use and ensure that they are clear of obstructions and that no parts are damaged e Replace any worn or damaged consumables before using machine e For periods of prolonged non use remove cables and store them in their original boxes in a cool dry place free of bug infestation 51 MIGWELD 250 MP ONGEVI Y www longeviby inc com LONGEVITY Global Inc thanks you for your purchase and the opportunity to be able to serve you If after reviewing this manual you have any
7. usually given performance and characteristic ratings using a system of letters and numbers determined by the American Welding Society AWS The rating system includes the minimum tensile strength of the finished weld the weld position flat vertical horizontal or overhead or a combination of two or more positions and the flux type Additional information may be given Each manufacturer has their individual name and terminology as well As there is no general recommendation that can be made about a particular electrode selection except for practice welds a electrode designated by the AWS as E 6011 E 6013 E 7014 or E 7018 may be used each having its own distinct features and purpose These are among the most common electrodes used in the industry and are not difficult to find E 6011 electrodes are not as smooth running as some of the other electrodes but offer the advantage of being able to weld on rusty metal and contaminated surfaces It is widely used and requires very little skill to begin using This is not a particular endorsement of an E6011 rather a simple example of what may be used in developing proficient technique It is recommended that a variety of electrodes be used and practiced with Consultation with an experienced local welding supplier will help greatly in determining what welding electrode is the best for your given situation Many times samples or small packages of electrodes are available at relatively low cost 4
8. wire 4 Keep your gun liner drive rolls and gun nozzles clean Contact tips should be replaced if there is blockage or not feeding the way it should 5 Your gun should stay straight ensuring the wire will feed properly 6 Steady the gun with both hands 7 Do not over tighten wire feeder hub tension and drive roll pressure 8 Store your wire in a place that is contaminant free Electrode Tip Length Never let you electrode s distance from your contact tube exceed 1 4 to 34 If you do your weld will not be correct Too Short Normal Too Long ole le 37 MIGWELD 250 MP ONE M www longevity inc com e Welding Wire Thin Metal Thin Diameter Thick Metal Larger wire with a larger machine Use the wire that matches your metal Don t use aluminum with stainless or vice versa RECOMMENDED WIRE SIZES Material MIG Solid Wire Gasless Flux Core Wire LOL 1 EN EHE 14 Gauge 078 1 8 125 3 16 188 1 4 25 9 16 313 3 8 375 77 Recomended When welding materials that are thicker than 3 16 you may need to use Multi pass or welding or beveled joint design depending on your machine 38 MIGWELD 250 MP Solid Carbon Steel ER70S 6 Flux Cored Carbon Steel E71TGX Aluminum ER5356 Stainless Steel ER308L ONGEVIT Y The power t last www longeviby inc com WELDING WIRES m Shielding gas C02 or 75 Argon 25 CO2 is recommended a
9. 5 MIGWELD 250 MP ONGEVI Y www longeviby inc com Stick Electrode Chart Example E 60 1 3 Strength 60 60 000 psi 70 70 000 psi Weld Position 1 All positions Flat Vertical Horizontal amp Overhead 2 Flat Position or Horizontal Fillets Only 3 Flat Position Only Weld Characteristics 0 Non low hydrogen DC Reverse polarity 1 Non low hydrogen AC or DC Reverse polarity 2 Non low hydrogen AC or DC Straight polarity 3 Non low hydrogen AC or DC Either polarity 4 Non low hydrogen iron powder coating AC or DC Reverse polarity 5 Low hydrogen DC Reverse polarity 6 Low hydrogen AC or DC Reverse polarity 7 Non low hydrogen iron powder coating AC or DC Reverse polarity 8 Low hydrogen iron powder coating AC or DC Reverse polarity Polarity Definition electrode negative straight polarity typical stock machine setup electrode positive reverse polarity Be sure to observe the electrode manufacturer recommendations regarding polarity If the weld appears lumpy porous or otherwise malformed change the polarity of the ground cable and the electrode holder cable Many electrodes run with in reverse polarity DCEP setting A few run with a straight polarity DCEN Some will run either way For reverse polarity DCEP stick welding swap the electrode holder and ground cable connections 46 MIGWELD 250 MP ONGEVI Y www longeviby inc com Proper weld identification Overlap and undercutting are tw
10. LD CURRENT PULSE TIME m END AMPS w BURN BACK VOLTS PULSE FREQUENCY ind wx a BURN BACK TIME em 7 PRE FLOW POST FLOW e n gt Process Indication Process Celeciion 1 Push the Welding Process button to choose the lt MMA gt process 2 Push the Process Selection button to select the welding process and use Encoder 1 to adjust the welding parameters 3 In the Process Indication panel the available setting will be lighted on by pushing the Left or Right selection button START Start Arc Current ARC FORCE Arc Force lt AMP gt Welding Current 10 250A capacity 19 ONGEVII Y MIGWELD 250 MP ur t www longeviby inc com MIG Torch Description Welding torch and work piece line connection Depending on the wire electrode diameter or type either a spiral guide or plastic core with the correct inner diameter is inserted into the torch Recommendation e Use a Spiral guide to weld hard unalloyed wire electrodes steel e Use a plastic core to weld or braze soft high alloy wire electrodes or aluminum materials Plastic Core Diagram 20 IY ONGEVI MIGWELD 250 MP www longeviby inc 21 MIGWELD 250 MP etse iY www longeviby inc com Item Symbol Description Plastic core Central connection for welding torch Euro C2 h3 Integrated welding current shielding gas and torch trigger _ new plastic core p Torch neck spiral brass oie Collet
11. URN Burn Back Time amp Volts BACK i Post FlowTime 17 MIGWELD 250 MP SAGEM M www longeviby inc com 2T AT SAT Start Amps amp Volts For Pulse MIG Only Valid for S4 mode Used for adjust of welding amps amp volts in a cold aluminum plate situation Welding Amps amp Volts n Adjust the main welding Amps amp LN y Volts on all the processes ONGEVI Y PULSE AMPS n START AMPS ARC FORCE e power to las Ld EJ W ELD CURRENT pe PULSE TIME Ea V BURN BACKIVOLTS PULSE rM pai an PRE FLOW POST FLOW Burn Back Time amp Volts 2T 1 Push gun trigger to hold the Welding Amps amp Volts as pre set 2 Release gun trigger to Burn Back settings 4T 1 Push gun trigger to hold the Welding Amps amp Volts as pre set 2 Release gun trigger to continue welding 3 Again push gun trigger to End Arc as pre set End Arc time 4 Again release gun trigger to Burn Back settings SAT used for aluminium plate from cold to hot welding situation 1 Push gun trigger to START Arc settings for cold aluminium plate welding 2 Release gun trigger to Main Welding Amps amp Volts 3 Again push gun trigger to End Arc as pre set End Arc time 4 Again release gun trigger to Burn Back settings 18 MIGWELD 250 MP euni M www longeviby inc com STICK Process Welding Process ONGEVI Y 1010 010 21 dii PULSE AMPS START AMPS ARC FORCE m EIS The power to las WE
12. Wire button to choose the welding wire size Push the Base Material button to choose the welding material Push the Process Selection button to select the welding process check the panel lt Process Indication the available setting will be lighted on by pushing the Left or Right selection button 4 Use Encoder 1 amp Encoder 2 to adjust the welding parameters 5 Push Gas Check button to check the gas before start welding lt Encoder1 gt used to adjust the Current A showed at lt DISP 1 gt lt Encoder2 gt used to adjust the Volts V Time S showed at lt DISP 2 gt co 00m 3l MIGWELD 250 MP ONGEVI Y www longeviby inc com Pulse MIG PULSE AMPS START AMPS ARC FORCE sl me E WELD CURRENT PULSE TIME ER END AMPS us BURN BACK VOLTS PULSE FREQUENCY Em BURN BACK TIME a POST FLOW Process Indication Pre Flow amp Post Flow 0 3 0S Arc Inductance Degree 1 10 cAMP 1 Welding Current 0 250A 2 Welding Voltage 0 26 5V End 1 End Arc Current 10 250A 2 End Arc Voltage 14 26 5V Burn Back Time 0 01 0 5S Volts 10 25v 32 MIGWELD 250 MP ONE iY Double Pulse MIG o iV Welding Process Dia Wire BURA BACK VOLTI Stm Ent E S BURN BACH TIME b Process Indication Process Selection Base Material Encoder 1 Encoder 2 Gas Check Push the lt Welding Process button to choose the DPMIG process Push the lt
13. al and vertical aluminum welding jobs ngih 5556 nickel on cast iran cc A High sirengih stronger than nickel 92 Machinable BEP nickel on cast iran Ductle strength is higher than nickel 55 Easier to machine than nickel 55 Chrome coated steels Wear and impact resistant Good for use on bulldozer blades plow shears and metal bo earth applications fi 48 MIGWELD 250 MP ONGEVI Y www longevily inc com Electrode Polarity Chart Electrode DC AC Position Penetration Usage on ee 7 7 tom GU mu ene v A etus Sot any Fast 7018 EP Vv LOW Low Hydrogen Sirong 7024 ER EN v Flat Horz Low Smooth Easy Fillet Faster EP Electrode Positive Reverse Polarity EN Electrode Negative Straight Polar Electrode Amperage Chart Amperage Range 49 MIGWELD 250 MP Striking an Arc 1 Electode 2 Workpiece 3 Arc ONGEVIT Y The power to last www longevity inc com Helpful Hints e Use a drag technique for most applications e Take precautions with flying materials when chipping slag e Keep electrodes clean and dry follow manufacturer instructions e Common steel electrodes refer to chart above e Penetration DCEN Less penetration AC Medium can be more spatter also DCEP Most penetration Catalog and Capabilities LONGEVITY has what you need for stick welding from welders to welding supplies and protective clothing Stick welders come in two
14. alid to store 10 sets 2 Select the memory channel for direct welding jobs 3 Also you can select a memory channel and open the parameter to make for fast adjusting from the memory parameters CH Select the Memory channel Open the parameter of selected memory channel Er Store the settings e Also you can clear all the memories and restore to the factory settings 1 Push the Welding Process button to enter into the lt DPMIG gt mode and hold this button at least 5 seconds until the lt SE UP gt button is lit Push the Left Right button on the Process Selection and check the lt DISP 2 gt amp DISP 3 showed Lod dEF Turn the lt Endoder 2 and the lt DISP 2 gt amp lt DISP 3 gt will refresh in 2 seconds and the setting is finished Hestart Power on the machine and the memory would be restored to the factory settings 35 MIGWELD 250 MP euni M Process Selection Welding Process o A010 21 ar 36 ONGEVITY MIGWELD 250 MP 77777 www longevity inc com MIG Welding Tips and Tricks MIG Welding Tips 1 Direct your wire at the leading edge of your weld pool for the most control of your weld bead 2 For the most bead control when doing more difficult welds such as Vertical horizontal and overhead welds use the smallest wire diameter possible and keep your weld pool small 3 Your contact tube gun liner and drive rolls should coincide with your
15. bsite www longevity inc com Sales sales longevity inc com Customer Service help longevity inc com Dealers dealers longevity inc com Complaints complaints longevity inc com Please join our welding forums to share welding tips and tricks to receive useful information from customers who also use our products and to be a part of the LongevityTM welding community at www freeweldingforum com MIGWELD 250 MP ONGEVI Y www longeviby inc com Warranty LONGEVITY Plasma Cutters Welders and Multi Purpose Welders are covered for specific Parts and Labor warranty at our facility For detailed information regarding your specific LONGEVITY welder or cutter please view our Terms and Policies page on our website at the following website link http www longevity inc com terms Shipping Damage Your machine is insured against damage during shipping Keep all packing materials and containers in case machine must be returned We will initiate a claim with the shipping company to cover damage or loss If there is shipping damage upon opening your package our customer service team will work with you to get the matter resolved In Warranty Service Customers who own machines that are in warranty and require service should contact our Warranty Department by email at help longevity inc com to obtain a return authorization code In addition to the warranty we offer we would like for you to register your product on our website at www long
16. evity inc com resources Remember warranty starts from the date of purchase For your convenience write your order information below so you can track your order in case you need warranty work Order No Date of Purchase Warranty Period Out of Warranty Service Customers who own machines that are out of warranty and require service should contact us for an estimate Longevity offers an exchange program on out of warranty units We also help non LONGEVITY customers with repairs replacement and service If your unit is not manufactured by Longevity and you cannot receive service from your manufacturer or seller Longevity will lend a hand Our warranty policy is also available for all plasma cutters and welders For more information please email us at HELP longevity inc com MIGWELD 250 MP ONGEVI Y www longevity inc com Warnings and Safety Welding and plasma cutting may be dangerous to the operator and to bystanders if the equipment is not operated properly Welding or cutting must be performed in accordance with all relevant safety regulations Carefully read and understand this instruction manual before installing and operating this equipment Changing function modes during welding may damage equipment Before welding disconnect the power cable from the equipment A circuit breaker is required to prevent electrical overload of the equipment Only high quality welding tools should be used Electric Shock can be fatal
17. he Left Right button to adjust the process l 1 Pre gas Time start 2 Start Arc Amps Volts in 54 or Hot Arc Start in MMA z 3 Arc Inductance Degree wcrorse 4 Pulse Peak Amps Volts in DPMIG or Arc Force in MMA t 5 Pulse Time sec Hz 6 Pulse Frequency Hz awe T Welding Amps amp Volts exo 8 End Arc Time sec een 9 Bum Back Time sack 10 Burn Back Volts 11 Post Flow Micro Encoder 1 Used for adjusting the welding current Amp Micro Encoder 2 Main Encoder used for adjusting all the parameters showed at lt DISP 2 gt 16 MIGWELD 250 MP ONGEVII Y L The power te last www longeviby inc com Welding Parameters Item symbol ONGEVI Y The power to last PULSE AMPS START AMPS ARC F IRCE WE O CURREN PULSE TIME E POST FLOW Description 1 Pre gas Used for adjusting the pre gas time 2 START START Amps amp Volts For Pulse MIG Only valid for S4 mode Used for adjust the welding Amps amp volts at the Cold aluminium plate situation For MMA process Used to adjust the Hot Arc Start Amps v Arc Inductance Degree Adjust the Arc to be soft or hard PEAK AMP ARC FORCE t Peak Amps amp Volts For Double Pulse MIG Adjust Pulse Amps amp Volts For MMA process Used to adjust the Arc Force Pulse Time amp Pulse Frequency End Arc Amp Hz Current Welding Current amp Volts Adjust the main welding current amp Volts on all the processes B
18. humidity of no more than 80 Operate the welding equipment in an area sheltered from direct sunlight and precipitation Work area temperature should be maintained at 10 C to 40 C If because of an overload the machine suddenly stops and it is necessary to restart it leave the internal fan operating to lower the inside temperature Always wear protective clothing and a welding mask to protect your skin Wear safety goggles designed to darken the arc generated by your machine Wear suitable noise protection to protect your hearing Ensure that machine is grounded through the power cord or on the machine case Never operate the machine in bare feet or on a wet floor Never switch the machine off while it s in use Doing so will damage the internal circuitry Ensure that your circuit breaker 1s rated to handle the current requirements of your machine Use a UL approved receptacles and plugs with your machine Never hard wire the machine to main power Work in a well ventilated area to avoid smoke Keep your head out of the smoke Ensure that air is flowing away from you to avoid inhaling smoke Ensure proper ventilation through the machine s louvers Maintain a distance of at least 12 inches between this equipment and any other objects in the work area Use a screen or curtain designed to keep passers by from viewing the arc The arc spray and metal spray from machine use may cause nearby fires Use caution If after reviewing th
19. is manual you have any problems in setting up or operating your machine contact us at help longevity inc com MIGWELD 250 MP ONGEVI Y www longeviby inc com Techinical Specifications and Ratings Single phase 220 240V 50 60Hz MIGWELD 250 MP ONGEVI Y www longevity inc com ONGEVI Y The power to ust GWELD Ne What s Included 1 6 FT Ground Clamp 1 5 FT Stinger 1 9 FT 24K MIG Torch 1 24K MIG Nozzle 1 1 0 040 Contact Tip 1 Contact holder 1diffuser 1 C02 Regulator 1 Wheel Base MIGWELD 250 MP etel M www longeviby inc com Main Unit Pictured MIGWELD 250 MP 1 Main Unit Knob Button Function Control Panel Welding Torch Connection Positive Connector Remote Control lead Push Pull Torch Control Lead Spool Gun Control Lead Negative Connector Power Switch Power Cable Ground Earth Connector ge de eS e de SY e Shielding Gas Connector MIGWELD 250 MP ONE IY General View of Control Panel ONGEVI Y V ZZ LIEF ULT 250 MIP FULSE lam BURN ELA C TIME PLEASE READ OPERATOR S MANUAL MIGWELD 250 MP Item 10 Symbol Description Memory Settings Displays 1 2 3 Dia of Welding Wire Wire Type Process Selector Check Gas synchronization Settings Encoder 1 Encoder 2 2T 4T Torch Holding Mode Welding Process ONGEVII Y e The power te last www longeviby inc com 10 MIGWELD 250 MP SSG Foner Parameter and Settings Di
20. nd will give you deeper penetration m 5 Argon 25 will give you less splatter and a nicer lookingbead m Should be used indoors where wind cannot harm your weld m Allows you to weld materials thinner than what you would weld with flux cored wires Great for auto body work m Shielding gas not needed Can be used outside wind will not harm your weld Great for use on aged or rusty metals m Burns hotter than solid wires allowing for welding of materials thicker than 18 gauge m Shielding gas Argon only m Should be used with a spool gun m Gives you a strong weld Shielding gas Trimix Use on stainless metals 301 305 and 308 39 MIGWELD 250 MP ONGEVI Y www longeviby inc com e Shielding Gas Co2 should be used with thick materials but is too hot for thinner materials Thin steel should be welded with 75 Argon 25 Co2 Aluminum should be welded with Argon Stainless steels can be welded with a triple mix or Helium Argon Co2 Steel Penetration Patterns Argon CO CO P AH e Gun Techniques Drag Pull More penetration with a more narrow bead Push Less penetration with wider bead 40 MIGWELD 250 MP ONGEVI Y www longevity inc com Push Perpendicular Drag Electrode Electrode ahead of bead back into bead Welding Direction A A A a a a a A a A oS HEN A Push B Gun C Drag Pull Technique Perpendicular Technique de 4 MIGWELD 250 MP ONGEVI Y w
21. o main causes of weld failure Proper washing of the weld bead into the sides or toes of the weld is important Keep the welding electrode or the TIG tungsten and welding arc within the weld joint to prevent overlap Pausing on the sides of the welds to wait for the sides to fill reduces the chance of undercutting even 1f the current is a little too high If it is possible with any practice weld cut the joint down the middle lengthwise or place the weld in a vice and use a hammer to bend the metal over the weld area until it is either broken or bent 90 degrees This destructive testing method will help you improve your skill by revealing faults and flaws in your welds Stick SMAW Electrode Welding Stick the most basic of welding processes offers the easiest option for joining steel and other metals Although it produces the least pretties or cleanest welds ARC STICK welding gets the job done Stick welding power sources deliver inexpensive options for welding versatility portability and reliability Stick joins metals when an arc is struck between the electrode and the work piece creating a weld pool and depositing a consumable metal electrode into the joint The electrode s protective coating also acts as a shielding gas protecting the weld and ensuring its purity and strength Best for windy conditions and adverse environments If you re not familiar with Stick SMAW welding basics the following information can make choosing an electr
22. ode easier 47 MIGWELD 250 MP ONGEVI Y www longeviby inc com Recommended Stick Electrodes Common Steel Elecirodes AWS Class Deep penetrating All purpose stick Used on carbon galvanized steel Does great with medium rusty or painted metals 60 000 PSL tensile strength P Mild io medial penetrating all purpose stick electrode Carbon Steel 60 000 PSI Tensile Strength P P gt ib agel tf ti BH i 1 Best when you have High Depositian rates Good for light penetration and fast speeda 70 000 PSI tensile strength E7014 Low Hydrogen stick electrode All carbon steels Great for tack welding or welds that are in awkward positions 70 000 PSI tensile strength E7018 Low Hydrogen stick electrode Good for medium and high carbon steels on medium high voltage AC welders 70 000 FSI tensile strength AU Ol 301 305 and 308 base metal Great for build up and cladding Slag easily removed T gt TL m el 1 Metals that are hard to weld stainless high carbon cast and high nickel steels Has a strong resistance bo moisture Sell detaching slag Cutlincy LL Cutting beveling of all metals which include stainless steels aluminum and copper Chamfering Great for weld joint removal Flux Coated Brazing of steel cast iron nickelsome nickel alloys and capperisome copper alloys Brazing fuels are needed oxyacetylene etc Aluminum A043 Flat horizont
23. problems in setting up or operating your machine contact us at help longevity inc com LONGEVITY Global Inc Toll Free 1 877 LONG INC 1 877 566 4462 Website www longevity inc com Sales sales longevity inc com Customer Service help longevity inc com Dealers dealers longevity inc com Please join our welding forums to share welding tips and tricks to receive useful information from customers who also use our products and to be a part of the LONGEVITY welding community at www freeweldingforum com For the coolest LONGEVITY sponsored race teams plus a complete racing forum that covers everything from Drag Racing to RC Car Racing please check out www longevity racing com Enjoy your new welding machine from LONGEVITY Thanks again 92
24. s one would strike a match Alternatively you may strike an arc with firm tapping motion against the work piece Either method is acceptable An arc should initiate Continue to keep the arc going by holding the electrode off the work piece no more than the electrode width 3 Continue the arc by feeding the electrode into the weld puddle while moving the electrode forward This will take some coordination but will be fairly easy to do after practice Do not allow the arc to become too long because air and slag can become entrapped in the metal The sound of a proper arc will be similar to a gentle frying sound A long arc will emit a humming sound An arc that 1s too short may be extinguished and the electrode may stick to the work piece If the electrode sticks immediately release the electrode from the electrode holder and break the electrode loose by hand If the flux breaks off simply trim off the excess rod until flux and bare metal meet A welding rod must have flux to shield the weld from the 44 MIGWELD 250 MP ONGEVI Y www longeviby inc com atmosphere or the weld will fail 4 Use the Current control to change arc qualities Adjust the amperage according to the recommendations of the electrode welding rod manufacturer for the type and size of the electrode used Experimentation will be required to find the optimal setting desired It is an excellent tool for out of position welding 5 Electrode selection Electrodes are
25. splays PROFESSIONAL 250 AMP DOUBLE PULSED MIG STICK SYNERGIC WELDER WITH IGBT TECHNOLOGY MIGWELD 250 MP ONGEVI Y www longevity inc com Item symbol Description DISP 1 Memory of parameter records number 2 DISP 2 Currents AMP DISP 3 1 Volts V 2 Frequency Hz 3 Time S 018s 4 Balance 96 EN XE 12 ew NO P MIGWELD 250 MP ONGEVI The power t lat Welding Process and Status Controls 3 6 7 al ML 20 r A A 2901 MP preme MPS START AMPS Y PROFESSIONAL 250 AMP DOUBLE BOLSED MIG STICK SYNERGIC WELDER WITH IGBT TECHNOLOGY 13 MIGWELD 250 MP ONGEVII Y Item Symbol The power to last www longeviby inc com Description SELECT the Memory channel OPEN the parameter of selected memory channel STORE the settings to Memory channel Push to Check Gas Push to use Synergic Setting Push to select the wire size 0 8mm 1 6mm Push to select the Wire Type Fe AISi AIMg CrNi Cu Push to select the torch handling type 1 2T 2 4T 3 S4 for aluminiu welding from cold to hot situation 4 1 MMA Push to select 1 Welding process MMA MIG MAG CO2 Pulse MIG Double Pulse MIG 2 SETUP push 5 seconds to clear all the memories 14 MIGWELD 250 MP SSG Foner Parameters amp Settings ONGEVIY ZZ GLL LA L_ LT 250 MP MIGWELD 250 MP etel iY www longeviby inc com Item Symbol Description Welding Settings Push t
26. stance to be fed through which means less chances of the aluminum kinking e Aluminum needs to expand as it comes out of the contact tip The diameter of a spool gun contact tip is much bigger than that of a MIG gun giving the aluminum the room it needs e Self Shielded Flux Cored Welding Tips Pull torch away from you as you weld Pull gun technique Store your wire in a dry place free of contaminates Use a chipping hammer and wire brush to remove slag layer after weld is complete You do not need shielding gas Great for welding outdoors e You won t be able to weld as thin of metals than would with normal MIG welding 43 MIGWELD 250 MP ONGEVI Y www longeviby inc com STICK Welding Tips and Tricks Also known as MMA Manual Metal Arc or Shielded Metal Arc Welding SMAW Connect the Stick torch to the terminal and Torch Control receptacles Connect the ground clamp to the terminal and clamp the metal to be welded Reverse the torch and ground connections for DCEP Direct Current Electrode Positive DC Stick Select Stick DC desired amps using Base cur knob Pulse Mode off 1 Insert electrode into electrode holder Position the electrode for the most comfortable position so that the electrode can be held directly over the work piece with a slight angle 2 Set Amperage to the recommended amperage by the electrode manufacturer Strike an arc by swiping it briskly across the work piece in the same manner a
27. to choose hold type of 2T or 4T 3 Push the Process Selection button to select the welding process check the panel lt Process Indication the available setting will be lighted on by pushing the Left or Right selection button 4 Use Encoder 1 amp Encoder 2 to adjust the welding parameters 5 Push Gas Check button to check the gas before start welding lt Encoder1 gt used to adjust the Current A showed at lt DISP 1 gt lt Encoder2 gt used to adjust the Volts V Time S showed at lt DISP 2 gt 29 MIGWELD 250 MP ONGEVI Y www longeviby inc com MIG MAG CO2 PULSE AMPS START AMPS ARC FORCE m Im WELD CURRENT fz PULSE TIME Hau END AMPS Es BURN BACK VOLTS PULSE FREQUENCY E BURN BACK TIME m a PRE FLOW POST FLOW Process Indication lt Pre Flow gt amp lt Post Flow gt 0 3 0S lt Arc Inductance Degree gt 1 10 cAMP 1 Welding Current 0 250A 2 Welding Voltage 0 26 5V lt End gt 1 End Arc Current 10 250A 2 End Arc Voltage 14 26 5V lt Burn Back gt Time 0 01 0 5S Volts 10 25v 30 MIGWELD 250 MP ONE iY Pulse MIG o iV Welding Process Dia Wire BURA BACK VOLTI W Ent E S BURN BACH TIME b Process Indication Process Selection Base Material Encoder 1 Encoder 2 Gas Check Push the lt Welding Process button to choose the lt PMIG gt process Push the lt 21 41 gt button to choose hold type of 2T or 4T Push the Dia
28. ww longevity inc com e Fillet Welds The leg of your weld should be equal to the thickness of the materials you welded e Aluminum MIG Welding Tips e It is highly recommended to use a spool gun when welding with aluminum However if you don t have access to one you can try using an extremely short gun Keep your gun straight Use Argon as your shielding gas e Push gun away from you as you weld Push gun technique Feeder Problems A possible solution to feeder problems is using a contact tip that is one size larger than your wire ER403 wire can be used for most projects ER4356 should be used when your weld needs to be stronger or rigid Always clean your aluminum before welding using a stainless steel wire brush This brush should only ever be used for cleaning aluminum wire to prevent contamination 42 MIGWELD 250 MP ONGEVI Y www longeviby inc com e Fill the crater at the end of the weld to avoid a crack One way to do this is to dwell in the weld pool for a second at the end of the weld e Why Choose A Spool Gun e Spool Guns are recommended to be used while welding aluminum There are many benefits to using a spool gun on aluminum over your standard MIG torch which include e Using a spool gun prevents you from contaminating aluminum with a gun that had been used with previous metals ensuring the highest quality weld e Aluminum is more delicate of a metal Spool guns have a far less di
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