Longevity MigWeld 140, Operating Manual

Page 1: ...MigWeld 140 140AMP MIG Welder Page 1 of 27 Operating Manual For MigWeld 140 140AMP Transformer MIG Welder 110v ...

Page 2: ...formation PG 7 9 Warning and Safety Information PG 10 General Description PG 11 Specifications and Ratings PG 12 16 Safety Precautions PG 17 Unpacking PG 18 Components and Controls PG 19 23 Installation PG 23 24 Welding Operations PG 25 Suggested Settings PG 26 Overload Protection PG 27 Enjoy your new welding machine from LONGEVITY ...

Page 3: ...understand that this equipment may be overwhelming to setup and operate so we have prepared a manual that will assist you in understand your new plasma cutter 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...

Page 4: ...ngevity 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 Longevity welding community at www freeweldingforum com Check out LONGEVITY Racing at www longevity racing com ...

Page 5: ... 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...

Page 6: ...n 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 out hand Our warranty policy is also available for all plasma cutters and welders For more information please email us at help longevity inc com ...

Page 7: ...de holder 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 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 insula...

Page 8: ... 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 its 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 a...

Page 9: ...rotect 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 is rated to handle the current requirements of your machine Use a UL approved receptacles and plugs with your machine Nev...

Page 10: ...r the beginner and the professional The MIGWELD 140 is the most versatile welder which will do aluminum with the optional spool gun in addition to all exotic metals The MIGWELD 140 will easily connect to your existing 110v wall outlet and can be setup easily in minutes Running on a standard 110v power cord which is included you will be able to lay down a nice weld anywhere ...

Page 11: ...ted output 90 AMPS 18volts 20 duty cycle Wire feed rate 59 to 393 in min 1 5 10 0m min Specifications of applicable welding wire 025 030 0 6 0 8mm solid steel 030 035 0 8 0 9mm Flux Cored Welding Wire Spool 8 x2 200mmx50mm 4 x5 8 100mmx16mm Weight 54 lb 24 5 kg Dimensions Length Width Height 16 x9 6 x14 5 408x244x367 NOTE DUTY CYCLE is welding equipment specification which defines the number of mi...

Page 12: ...ded Dress properly Do not wear loose clothing or jewelry as they can be caught in moving parts Protective flame retardant electrically non conductive cloths and non skid footwear are recommended when working Wear restrictive hair covering to contain long hair Use eye and ear protection Always wear ANSI approved arc shaded impact safety face shield welding helmet Always use a full face shield when ...

Page 13: ...ssories are available from LONGEVITY Do not operate tool if under the influence of alcohol or drugs Read warning labels on prescriptions to determine if your judgment or reflexes are impaired while taking drugs If there is any doubt do not operate the welder Maintenance For your safety service and maintenance should be performed regularly by a qualified technician Use proper size and type extensio...

Page 14: ...e insulated from the ground and the work piece Avoid breathing fumes or gases These gases can cause serious health problems Use an active ventilation system directly above the welding area Keep your head out of the fumes Avoid eye and body damage Arc rays and infrared radiation can cause injury to the eyes and burn the skin Wear ANSI approved eye and body protection Do not allow viewing by visitor...

Page 15: ...re that the work piece is properly supported and grounded prior to beginning the electric arc welding operation The electrode and work or ground circuits are electrically hot when the welder is on Do not touch these hot parts with your bare skin or wet clothing Ground the work or metal to be welded to a good electrical earth ground FUMES AND GASES can be dangerous Do not breathe fumes that are pro...

Page 16: ...s and ultraviolet rays Use additional face shields and flame resistant barriers as needed Never touch work piece until completely cooled ELECTRIC AND MANGETIC FIELDS may be dangerous The electric magnetic field that is generated during arc welding may interfere with the operation of various electrical and electronic devices such as cardiac pacemakers Persons using such devices should consult with ...

Page 17: ...MigWeld 140 140AMP MIG Welder Page 17 of 27 I UNPACKING Please check to ensure that the following components are included when unpacking See Figure A 1 ...

Page 18: ...gun and cable assembly 8 Power cord 9 Reset overload protective device the protector will cut off the circuit if the welding machine is in excess of the maximum load after which the switch must be manually reset 10 Shielding gas inlet fitting 11 Wire feed gearbox 12 Wire spool spindle shaft 13 Wing screw to fasten welding gun 14 Positive and Negative output terminals 15 Change switch for optional ...

Page 19: ...ositive output terminal of the welding machine The short power cable must be removed from this lug and placed on the negative terminal See Reference Table T 1 Welding Gun Installation See Figure C 1 C 2 and C 3 There is one spool of 025 0 6mm solid welding wire included with the welder The welding gun comes with a 025 0 6mm contact tip 6 installed If 030 035 0 8 0 9mm wire is to be used change the...

Page 20: ...he other for 030 035 0 8 0 9mm solid or flux cored welding wire The factory default installation is 025 0 6mm In the event that 030 0 8mm 035 0 9mm welding wires are used the wire feed roll groove must be changed 1 Ensure that the MigWeld 140 welding machine is powered off 2 Unlatch the spring loaded pressure arm and Figure C 4 open the idle roll arm 1 and lift up the idle roll arm 2 3 Loosen the ...

Page 21: ... and remove the outside plastic wire spool spindle 6 A 4 100mm diameter spool is mounted directly on a 5 8 16mm diameter shaft and held in place with the previously removed hardware 7 NOTE The wire spool will rotate clockwise when wire is dereeled Also makes certain the start end of the welding wire which may protrude through the side of the spool does not contact any metallic case parts Use the w...

Page 22: ...flow regulator and supply hose is included with your welder The compressed gas can be obtained from your local welding suppler 1 Fix the compressed gas cylinder with a chain or other method to the wall or other securing device to prevent the cylinder of falling 2 After securing remove cylinder cap if there is one on your cylinder 3 Install flow regulator CGA 580 to the supply valve on the cylinder...

Page 23: ...g Machine 4 Straighten welding gun 5 Hold trigger of the welding gun depressing trigger will feed the welding wire into the welding gun When the welding wire is exposed at the outlet side of the welding gun release the trigger switch of the welding gun 6 Make sure power is off on the MigWeld140 Welding Machine 7 Reinstall the nozzle and contact tip 8 Cut off the welding wire 1 4 1 2 6 10mm away fr...

Page 24: ...ing gun at around 3 8 to 1 2 10 13mm away from piece s to be welded 8 Release trigger of the welding gun and the welding is stopped 9 After welding turn off valve of the compressed gas cylinder if gas is used and then press trigger of the welding gun to release compressed gas in system Finally power off the MigWeld140 Welding Machine Optional Spool Gun Contact your local LONGEVITY dealer for corre...

Page 25: ...MigWeld 140 140AMP MIG Welder Page 25 of 27 ...

Page 26: ...manually reset Wait for several minutes while the welding machine cools down and reset the circuit breaker button Thermal Protection The MigWeld140 has a rated output duty cycle of 20 If the duty cycle is exceeded a thermal protector will shut off the output until the machine cools to a reasonable operating temperature This is an automatic function and does not require user intervention The fan co...

Page 27: ...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 t...