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F-5

TROUBLESHOOTING AND REPAIR

 

 

F-5

 

 

 

 

 

 

 

 

 

 

 

 

Observe Safety Guidelines detailed in the beginning of this manual.

 

 

 

 

 

 

 

 

 

 

 

 

PROBLEMS

POSSIBLE AREAS OF

 

RECOMMENDED

 

 

(SYMPTOMS)

MISADJUSTMENT(S)

 

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

 

OUTPUT PROBLEMS

 

 

 

 

 

(continued from previous page)

3. Check the gun trigger leads.

 

 

 

 

 

 

 

Leads #324 to #325 should have

 

 

 

 

 

 

 

continuity (zero ohms) when the

 

 

 

 

 

 

 

gun trigger is activated. If not,

 

 

 

 

 

 

 

the gun trigger or cable may be

 

 

 

 

 

 

 

faulty. Check or replace.

 

 

 

 

 

 

 

4. Check to make sure the switch

 

 

 

 

 

 

 

on the Magnum 100SG Adapter

 

 

 

 

 

 

 

Panel is in the Magnum Push

 

 

 

 

 

 

 

Gun Position.

 

 

 

 

 

 

 

5. If a spool gum option kit is

 

 

 

 

 

 

 

installed, check to make sure it is

 

 

 

 

 

 

 

set to the “normal” position if

 

 

 

 

 

 

 

using the Power MIG® 215XT

 

 

 

 

 

 

 

built in wire feeder.

 

 

 

 

 

 

 

 

 

 

 

 

When the gun trigger is activated

1. Make sure the gun cable and

1.

Check

the

output

selector

and the wire feeds normally, but

work cables are connected prop-

 

switch for proper operation and

there is no open circuit voltage.

erly and in good condition.

 

good connections.

 

 

 

2. Make sure the output selector

2.

Perform the Output Contactor

 

 

switch is in a good condition posi-

 

Test.

 

 

 

 

 

tion and not between positions.

 

 

 

 

 

 

 

 

3. Perform

the

Output

Bridge

 

 

 

 

Rectifier Test.

 

 

 

 

4. Perform the Main Transformer

 

 

 

 

Test.

 

 

 

 

 

 

5. Check the heavy current carry-

 

 

 

 

ing leads between the output

 

 

 

 

selector switch, output contac-

 

 

 

 

tor, output bridge rectifier, and

 

 

 

 

the output terminals for loose or

 

 

 

 

faulty connections. See Wiring

 

 

 

 

Diagram.

 

 

 

 

 

 

 

 

 

 

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

Page 42 Page 44
Page 43
Image 43
Lincoln Electric 11521 service manual Perform the Output Contactor
Page 42 Page 44

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.

The welder employs a spool gun for welding aluminum, ensuring a smooth and efficient feeding of the wire. This technology mitigates the problems commonly associated with feeding aluminum wire through a regular gun, providing a seamless experience. Additionally, the Lincoln Electric 11521 features an adjustable welding speed and voltage, enabling users to fine-tune their settings to match the specific requirements of each project. This adaptability leads to better penetration, bead shape, and overall weld quality.

Another important aspect of the Lincoln Electric 11521 is its durability. Constructed with high-quality materials, this welder is designed for tough jobs and can withstand the wear and tear associated with heavy use. The unit's compact size and lightweight design further enhance its practicality, making it easy to transport between job sites or store when not in use.

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.
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