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F-10

TROUBLESHOOTING AND REPAIR

 

 

 

F-10

 

 

 

 

 

 

 

 

 

 

 

 

 

Observe Safety Guidelines detailed in the beginning of this manual.

 

 

 

 

 

 

 

 

 

 

 

 

PROBLEMS

 

POSSIBLE AREAS OF

RECOMMENDED

 

 

(SYMPTOMS)

 

MISADJUSTMENT(S)

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

 

 

 

 

WELDING PROBLEMS

 

 

 

 

 

The weld bead is narrow or ropy.

1.

Make sure the welding proce-

1. Perform

the

Output

Bridge

May have porosity with the elec-

 

dures and electrode polarity are

Rectifier Test.

 

 

 

trode stubbing into the plate.

 

correct for the process being

 

 

 

 

 

 

 

 

used.

2. The output capacitors may be faulty.

 

 

 

 

Check for loose connections at the

 

 

2.

Make certain the shielding gas is

capacitors.

Also check

for

leaky

 

 

 

correct and the flow is proper.

capacitors. Replace if necessary.

 

 

3.

Make sure the weld joint is not

WARNING: The liquid electrolyte in

 

 

 

“contaminated”.

these capacitors

is toxic.

Avoid

 

 

 

 

contact with any portion of your

 

 

 

 

body.

 

 

 

 

 

 

 

 

 

 

 

 

The contact tip seizes in the gas dif-

1.

The tip is being over heated due

 

 

 

 

 

fuser.

 

 

to excessive current and/or high

 

 

 

 

 

 

 

 

duty cycle.

 

 

 

 

 

 

 

2.

A light application of high temper-

 

 

 

 

 

 

 

 

ature anti-seize lubricant may be

 

 

 

 

 

 

 

 

applied to the contact tip threads.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed. Call 1-888-935-3877.

Power MIG® 215XT

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Lincoln Electric 11521 service manual Make certain the shielding gas is

11521 specifications

The Lincoln Electric 11521 is a highly regarded choice among welders and metal fabricators, known for its reliability and efficiency. This portable MIG welder excels in delivering professional-grade results, making it suitable for both beginners and experienced welders. One of the standout features of the Lincoln Electric 11521 is its user-friendly design, which facilitates ease of use and enhances the overall welding experience.

Equipped with a powerful 180 amp output, the Lincoln Electric 11521 is capable of tackling a wide range of welding applications. It operates on a standard 230-volt outlet, allowing users to work on various materials, including mild steel, stainless steel, and aluminum, with thicknesses up to 5/16 inch. This versatility is crucial for those who handle different types of projects, from automotive repairs to home improvement tasks.

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Safety is a crucial element in welding, and the Lincoln Electric 11521 does not compromise on this aspect. It features a thermal overload protection system, which prevents damage to the machine by shutting it down in case of overheating. The welder also includes a gas-saving mode that intelligently reduces the gas flow during idle times, maximizing efficiency.

In summary, the Lincoln Electric 11521 is a versatile and reliable MIG welder that caters to a wide range of welding needs. With its powerful output, user-friendly features, advanced technologies, and robust safety mechanisms, it is an excellent investment for professionals and hobbyists alike looking to achieve high-quality welds with ease.