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Operator’s Manual

IM10462

|   Issue D ate Apr-18

© Lincoln Global, Inc.  All Rights Reserved.

For use with Code Numbers:

12769

Mega Force

®

140i MP

®

Register your machine:  

www.lincolnelectric.com/register

Authorized Service and Distributor Locator:  

www.lincolnelectric.com/locator

Need Help? Call 1.888.935.3877 

to talk to a Service Representative

Hours of Operation: 

8:00 AM to 6:00 PM (ET) Mon. thru Fri.

After hours? 

Use “Ask the Experts” at lincolnelectric.com
A Lincoln Service Representative will contact you 
no later than the following business day.

For Service outside the USA: 

Email: [email protected]

For Service in Mexico: 

Email: 

[email protected]

Save for future reference  

Date Purchased

Code: (ex: 10859)

Serial: (ex: U1060512345)

LINCOLN ELECTRIC MÁQUINAS S. DE R.L. DE C.V.

Cerrada San José No. 15 Fracc. Ind. Ferropuerto Laguna C.P. 27400 Torreón, Coah.

Ph: (871) 729-09-00  Fax: (871) 729-09-16

www.lincolnelectric.com.mx

Summary of Contents for Mega Force 140i MP

Page 1: ... to 6 00 PM ET Mon thru Fri After hours Use Ask the Experts at lincolnelectric com A Lincoln Service Representative will contact you no later than the following business day For Service outside the USA Email globalservice lincolnelectric com For Service in Mexico Email setecmex lincolnelectric com mx Save for future reference Date Purchased Code ex 10859 Serial ex U1060512345 LINCOLN ELECTRIC MÁQU...

Page 2: ...N A LARGE ROOM OR OUTDOORS natural ventilation may be adequate if you keep your head out of the fumes See below USE NATURAL DRAFTS or fans to keep the fumes away from your face If you develop unusual symptoms see your supervisor Perhaps the welding atmosphere and ventilation system should be checked WEAR CORRECT EYE EAR BODY PROTECTION PROTECT your eyes and face with welding helmet properly fitted...

Page 3: ... hot engine parts and igniting Do not spill fuel when filling tank If fuel is spilled wipe it up and do not start engine until fumes have been eliminated 1 d Keep all equipment safety guards covers and devices in position and in good repair Keep hands hair clothing and tools away from V belts gears fans and all other moving parts when starting operating or repairing equipment 1 e In some cases it ...

Page 4: ...rm to ANSI Z87 I standards 4 b Use suitable clothing made from durable flame resistant material to protect your skin and that of your helpers from the arc rays 4 c Protect other nearby personnel with suitable non flammable screening and or warn them not to watch the arc nor expose themselves to the arc rays or to hot spatter or metal FUMES AND GASES CAN BE DANGEROUS 5 a Welding may produce fumes a...

Page 5: ...ent passing through lifting chains crane cables or other alternate circuits This can create fire hazards or overheat lifting chains or cables until they fail 6 h Also see item 1 c 6 I Read and follow NFPA 51B Standard for Fire Prevention During Welding Cutting and Other Hot Work available from NFPA 1 Batterymarch Park PO box 9101 Quincy MA 022690 9101 6 j Do not use a welding power source for pipe...

Page 6: ...ONNECTIONS B 2 GUN AND CABLE INSTALLATION B 3 SHIELDING GAS FOR MIG ARC WELDING PROCESSES B 3 OUTPUT POLARITY CONNECTIONS B 4 PROCEDURE FOR CHANGING DRIVE ROLL B 5 POWER UP SEQUENCE B 5 CURRENT OR VOLTAGE BASED ON DIAL POSITION B 6 035 MIG WIRE 035 OUTERSHIELD 71M 035 NR 211MP PROCEDURES B 6 TIG SETUP AND USE B 7 OPTIONS AND ACCESSORIES Section C MAINTENANCE Section D ROUTINE MAINTENANCE D 1 PERIO...

Page 7: ... 8 inch spools of wire for MIG and FCAW welding The machine is intended for the following wire diameters and composition SuperArc L 56 025 through 035 solid steel self shielded NR 211MP 030 and 035 and Outershield 71M 035 FCAW GS Welding aluminum ER4043 035 requires use of the Magnum Pro 100SG Spool Gun An integrated spool gun switch is pre installed from the factory and located above the wire dri...

Page 8: ...welding must be performed under electrically hazardous conditions such as welding in wet areas or water on the work piece enGine Driven Generator The machine is designed to operate on engine driven generators as long as the auxiliary can supply adequate voltage frequency and power as indicated in the Technical Specification Installation Section of this manual The auxiliary supply of the generator ...

Page 9: ...ing gun TIG torch or spool gun Ensure the gun or torch is fully seated into the brass receptacle and tighten the thumb screw 6 Eight Pin Connector Permits triggering the machine for MIG FCAW aluminum MIG or TIG welding when a foot pedal is attached Also triggers gas flow for MIG aluminum MIG and TIG Connect the 8 pin connector present on the welding gun or foot pedal to the receptacle 7 Wire Drive...

Page 10: ...e Magnum Pro 100SG Spool Gun 3 Wire Drive Tension Pressure Adjustment Permits increasing or decreasing the pressure applied to the top drive roll 4 Replaceable drive roll Select the correct drive roll groove for the wire diameter being fed 5 Gun Connector Block Permits securing a welding gun to the wire drive by ensuring the gun connector is fully seated then tightening the knob 6 Cutouts A cut ou...

Page 11: ...ted fumes and gases may still be hazardous to health Avoid breathing concentrations of these fumes and gases Use adequate ventilation when welding See ANSI Z49 1 Safety in Welding and Cutting published by the American Welding Society HiGH FreqUency protection The high frequency generator being similar to a radio transmitter may cause interference to radio TV and other electronic equipment These pr...

Page 12: ...ductors should be used Fuse the two hot lines with super lag type fuses as shown in the following diagram The center contact in the receptacle is for the grounding connection A green wire in the input cable connects this contact to the frame of the welder This ensures proper grounding of the welder frame when the welder plug is inserted into a grounded receptacle FIGURE B 2 Connect to a system gro...

Page 13: ...elder with cylinder attached Never allow welding electrode to touch cylinder Keep cylinder away from welding or other live electrical circuits Install Shielding gas supply as follows 1 Set the gas cylinder on a flat surface and secure the cylinder to a sturdy structure to prevent the cylinder from falling over 2 Remove the cylinder cap Inspect the cylinder valves and regulator for damaged threads ...

Page 14: ...NG GAS may harm health or kill Shut off shielding gas supply when not in use oUtpUt polarity connections The welding machine features a short lead protruding from the front of the machine the lead can be used to configure the wire drive polarity For STICK welding the short lead does not need to be connected and this lead will not be electrically hot For FCAW MIG and TIG welding this lead can be co...

Page 15: ...he gas supply and set the gas to the required flow rate as specified by the Procedure Decal located on the door 5 When using an Innershield electrode the gas nozzle may be removed and replaced with the gasless nozzle This will provide increased visibility and eliminate the possibility of the gas nozzle overheating 6 Connect the work cable to the metal to be welded The work clamp must make a good e...

Page 16: ...is capable of FCAW GS Welding with Lincoln Electric 035 Outershield 71M Wire The procedures for 100 CO2 and 75 Ar 25 CO2 are listed below MEGA FORCE 140i MP MATERIAL THICKNESS WIRE DIA 18 GA 16 GA 14 GA 12 GA 1 8 3 16 STEEL MIG 75 AR 25 CO2 SUPER ARC L 56 DC 0 035 C 3 D 4 E 5 F 6 H 7 J 8 STEEL MIG 100 CO2 SUPER ARC L 56 DC 0 035 D 4 E 4 F 5 H 6 I 6 J 6 MATERIAL THICKNESS WIRE DIA 12 GA 1 8 3 16 1 ...

Page 17: ...rk piece and the welding arc will initiate After the foot pedal is released the shielding gas will continue to flow for 8 seconds This post flow period is used to prevent contam ination to the tungsten while the tungsten is still warm and to prevent contamination of the weld puddle Procedure for TIG welding without a Foot Pedal TIG welding without a foot pedal requires a Lincoln Electric K1782 16 ...

Page 18: ...om attractive red canvas that is flame retardant mildew resistant and water repellent Includes a convenient side pocket to hold welding gun K530 7 REPLACEMENT MAGNUM PRO 100L GUN with 8 pin connector Spool Gun K4360 1 MAGNUM PRO 100SG SPOOL GUN Designed to easily feed small 4 diameter 1lb spools of 030 or 035 aluminum wire Includes gun adapter kit three extra 035 contact tips gas nozzle and spool ...

Page 19: ...form a plug Flex the cable over its entire length and again blow out the cable Repeat this procedure until no further dirt comes out If this has been done and feed problems are experienced replace the liner perioDic Maintenance LINER REMOVAL INSTALLATION AND TRIMMING INSTRUCTIONS FOR MAGNUM PRO 100L NOTE The variation in cable lengths prevents interchanging of liners between guns Once a liner has ...

Page 20: ...the column labeled PROBLEM SYMPTOMS This column describes possible symptoms that the machine may exhibit Find the listing that best describes the symptom that the machine is exhibiting Step 2 POSSIBLE CAUSE The second column labeled POSSIBLE CAUSE lists the obvious external possibilities that may contribute to the machine symptom Step 3 RECOMMENDED COURSE OF ACTION This column provides a course of...

Page 21: ...put 1 If the wire drive motor is running make sure that the cor rect drive rolls are installed in the machine 2 Check for clogged cable liner or contact tip 3 Check for proper size cable liner and contact tip 4 Ensure wire drive reconnect lead protruding from the front of the machine is connected to the proper polarity 5 Check Magnum PRO 100SG Magnum 100L PRO switch is properly switched to activat...

Page 22: ...3 2 1 CN305 5 6 7 8 9 10 20 CONDUCTOR RIBBON CABLE TIG FOOT PEDAL OPTION 5 4 3 2 1 302 303 304 305 306 307 308 301 303 305 307 302 304 306 8888 308 301 BOOST COIL L1 1 L1 2 CN2 1 20 FERRITE 2 1 J4 401 408 L1 401 402 405 407 408 409 410 411 412 414 CIRCUIT BREAKE R CB1 WIRING DIAGRAM N A CAVITY NUMBERING SEQUENCE VIEWED FROM INSERTION SIDE NOTES ELECTRICAL SYMBOLS PER E1537 CN305 9 8 7 5 4 3 2 1 8 ...

Page 23: ...F 4 DIAGRAMS MEGA FORCE 140i MP MM MM MM MM ...

Page 24: ...parts or electrode with skin or wet clothing l Insulate yourself from work and ground l No toque las partes o los electrodos bajo carga con la piel o ropa moja da l Aislese del trabajo y de la tierra l Ne laissez ni la peau ni des vête ments mouillés entrer en contact avec des pièces sous tension l Isolez vous du travail et de la terre l Berühren Sie keine stromführenden Teile oder Elektroden mit ...

Page 25: ... und Entlüftung des Arbeitsplatzes l Mantenha seu rosto da fumaça l Use ventilação e exhaustão para remover fumo da zona respiratória l Turn power off before servicing l Desconectar el cable de ali mentación de poder de la máquina antes de iniciar cualquier servicio l Débranchez le courant avant l entre tien l Strom vor Wartungsarbeiten abschalten Netzstrom völlig öff nen Maschine anhalten l Não o...

Page 26: ...ctical consideration we also cannot assume any responsibility for updating or correcting any such information or advice once it has been given nor does the provision of information or advice create expand or alter any warranty with respect to the sale of our products Lincoln Electric is a responsive manufacturer but the selection and use of specific products sold by Lincoln Electric is solely with...

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