Lincoln Electric IM647-A manual Troubleshooting

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E-2

TROUBLESHOOTING

E-2

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

PROBLEMS

(SYMPTOMS)

POSSIBLE

CAUSE

RECOMMENDED

COURSE OF ACTION

Drive rolls turn, but wire will not

a. Gun cable kinked and/or twisted.

a. Keep as straight as possible.

 

feed or wire feeding is rough.

 

Inspect cable and replace if

nec-

 

 

essary.

 

 

b. Wire jammed in gun and cable.

b. Remove wire from gun and cable

 

 

– feed in new wire. Note any

 

 

 

obstruction. Replace liner if

 

 

 

necessary.

 

 

c. Incorrect drive rolls and guide

c. Be sure the wire diameter being

 

tubes.

used is stamped on drive rolls

 

 

and guide tubes. Replace if

nec-

 

 

essary.

 

 

d. Gun cable liner dirty.

d. Clean liner or replace.

 

 

e. Worn drive rolls.

e. Replace or reverse split drive roll

 

 

type.

 

 

f. Electrode rusty and/or dirty.

f. Replace the electrode if it is rusty.

 

g. Worn or improper size cable liner.

g. Replace cable liner.

 

 

h. Partially flashed, melted or

h. Replace the contact tip.

 

 

improper size contact tip.

 

 

 

 

 

 

Variable or “hunting” arc.

a. Contact tip worn or incorrect size.

a. Replace contact tip.

 

 

b. Worn or undersize ground cables

b. Inspect – repair or replace as

 

 

or poor ground connections.

necessary.

 

 

c. Loose electrode connections.

c. Be sure the following connections

 

 

are tight: electrode cable to wire

 

 

feeder and power source, work

 

 

cable to power source and work,

 

 

gun cable to wire feeder contact

 

 

block, gun nozzle to body and

 

 

contact tip to nozzle.

 

 

 

 

 

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.

MAGNUM® 400 FM DUAL PROCEDURE GUNS

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Contents Magnum 400 Dual Procedure IM647-A Safety California Proposition 65 WarningsElectric Shock can kill Welding and Cutting Sparks can Cause fire or explosion Précautions DE Sûreté Sûreté Pour Soudage a LʼArcThank You Magnum 400 FM Dual Procedure Guns Installation General DescriptionProduct Contact TIP and GAS Nozzle Installation Installation of the K489-7 and K573-1 FAST-MATE Adapter KitsAvoiding Wire Feeding Problems OperationElectrodes and Equipment Making a WeldMaintenance Figure E.1GUN Tubes and Nozzles GUN Cables3MAINTENANCED-3 For K575 modelsFigure E.4 For K575 Wire Feeder END Repair K575 Figure E.7 Thread Sizes for Magnum 400 Consumables Troubleshooting HOW to USE Troubleshooting GuideTroubleshooting Troubleshooting Magnum 400 FM Dual Procedure Guns Magnum 400 FM Dual Procedure Guns Magnum 400 FM Dual Procedure Guns Magnum 400 FM Dual Procedure Guns Precaucion Warnung

IM647-A specifications

The Lincoln Electric IM647-A is a notable welding machine that epitomizes precision, performance, and innovation in the welding industry. Designed for professionals and industries requiring high-quality welding solutions, this machine combines advanced technology with user-friendly features to enhance productivity and output quality.

One of the key features of the IM647-A is its multi-process capabilities. It accommodates MIG, TIG, Stick, and flux-cored welding, providing versatility for various applications and materials. This flexibility makes it an ideal choice for fabricators, maintenance facilities, and production shops needing a reliable machine for diverse welding tasks.

The IM647-A is equipped with Lincoln Electric’s advanced inverter technology which allows for a more compact design without sacrificing power. This technology provides a high-duty cycle, ensuring the machine can handle extended periods of use. The inverter system also contributes to better arc stability and control, resulting in cleaner welds and reduced spatter.

Another notable characteristic is the machine's intuitive interface. The user-friendly controls enable welders to quickly set parameters and make adjustments based on their needs. The digital display offers clear readouts of voltage and amperage, allowing welders to monitor their performance effectively. This ease of use is essential for both seasoned professionals and beginners.

Safety features are incorporated into the design of the IM647-A, including thermal overload protection and a robust housing that ensures durability while protecting internal components. These features are crucial for maintaining the integrity of the machine even in demanding work environments.

Additionally, the Lincoln Electric IM647-A is compatible with Lincoln’s extensive range of welding accessories and equipment, further enhancing its functionality. With its compact design, the machine is also lightweight, making it easy to transport between job sites without compromising on capability.

Overall, with its multi-process versatility, advanced inverter technology, user-friendly interface, and robust safety features, the Lincoln Electric IM647-A stands out as a superior choice for professionals seeking efficiency and reliability in their welding operations. It continues to set a benchmark in the welding industry, combining quality and innovation to meet the evolving needs of welders.