D-2

 

MAINTENANCE

D-2

GUN AND CABLE

 

 

5. To remove gun tube from gun, remove gas nozzle

MAINTENANCE

 

 

or gasless nozzle and remove diffuser from gun

FOR MAGNUM™ 100L GUN

 

 

gun handle and separate the handle halves.

 

 

 

 

 

tube. Remove both collars from each end of the

Gun Cable Cleaning

 

 

Loosen the locking nut holding the gun tube in

 

 

place against the gun end cable connector.

Clean cable liner after using approximately 300 lbs

Unscrew gun tube from cable connector. To install

(136 kg) of solid wire or 50 lbs (23 kg) of flux-cored

gun tube, screw the locking nut on the gun tube as

wire. Remove the cable from the wire feeder and lay it

far as possible. Then screw the gun tube into the

out straight on the floor. Remove the contact tip from

cable connector until it bottoms. Then unscrew (no

the gun. Using low pressure air, gently blow out the

more than one turn) the gun tube until its axis is

cable liner from the gas diffuser end.

 

 

perpendicular to the flat sides of the cable connec-

 

 

CAUTION

 

 

Tighten the locking nut so as to maintain the proper

 

 

 

 

 

tor and pointed in the direction of the trigger.

 

 

 

 

 

relationship between the gun tube and the cable

Excessive pressure at the start may cause the dirt

connector. Replace the gun handle, trigger and dif-

to form a plug.

 

 

fuser. Replace the gas nozzle or gasless nozzle.

Flex the cable over its entire length and again blow

OVERLOAD PROTECTION

 

out the cable. Repeat this procedure until no further

Output Overload

 

dirt comes out.

 

 

The POWER MIG (140, 180 MODELS) is equipped

Contact Tips, Nozzles, and Gun Tubes

 

 

with a circuit breaker and a thermostat which protects

 

 

the machine from damage if maximum output is

1. Dirt can accumulate in the contact tip hole and

exceeded. The circuit breaker button will extend out

restrict wire feeding. After each spool of wire is

when tripped. The circuit breaker must be manually

used, remove the contact tip and clean it by push-

reset.

 

ing a short piece of wire through the tip repeatedly.

Thermal Protection

 

Use the wire as a reamer to remove dirt that may

 

be adhering to the wall of the hole through the tip.

The POWER MIG (140, 180 MODELS) has a rated

2. Replace worn contact tips as required. A variable

output duty cycle as defined in the Technical

Specification page. If the duty cycle is exceeded, a

or “hunting” arc is a typical symptom of a worn con-

thermal protector will shut off the output until the

tact tip. To install a new tip, choose the correct size

machine cools to a reasonable operating temperature.

contact tip for the electrode being used (wire size is

This is an automatic function of the POWER MIG

stenciled on the side of the contact tip) and screw it

(140, 180 MODELS) and does not require user inter-

snugly into the gas diffuser.

 

 

vention. The fan continues to run during cooling.

 

3. Remove spatter from inside of gas nozzle and from

Electronic Wire Drive Motor Protection

 

tip after each 10 minutes of arc time or as required.

 

4. Be sure the gas nozzle is fully screwed onto the

The POWER MIG (140, 180 MODELS) has built-in

diffuser for gas shielded processes. For the

protection for wire drive motor overload.

 

Innershield® process, the gasless nozzle should

 

 

screw onto the diffuser.

 

 

 

 

POWER MIG (140, 180 MODELS)

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Lincoln Electric 180, 140 manual GUN and Cable, Maintenance, Overload Protection, For Magnum 100L GUN
Page 29 Page 31

180, 140 specifications

Lincoln Electric is a well-known name in the welding industry, and the Lincoln Electric 140 and 180 models continue to set the standard for reliable, user-friendly welding equipment. These machines are popular among hobbyists, DIY enthusiasts, and professionals alike due to their performance, portability, and innovative features.

The Lincoln Electric 140 offers a compact design tailored for both novice and experienced welders. With a maximum output of 140 amps, this versatile MIG welder can handle a range of projects, including welding mild steel, stainless steel, and aluminum. It operates on 120V standard household current, making it accessible for home use. One of its standout features is its variable voltage control, which allows the user to adjust the output for optimal welding based on the material thickness. Additionally, the machine features a quick-change drive roll system that simplifies the process of switching wire types, ensuring that you can adapt to different materials effortlessly.

Meanwhile, the Lincoln Electric 180 takes things a step further, providing a robust 180-amp output that allows for welding thicker materials. This model operates on 230V, which makes it suitable for heavier-duty applications. The 180 model is equipped with an advanced digital display that provides real-time feedback on voltage and wire speed, aiding welders in achieving precision in their work. Its durable construction ensures reliability, and the built-in thermal overload protection serves as a safeguard against overheating, prolonging the machine's lifespan.

Both models incorporate Lincoln Electric's patented Infinite Voltage and Wire Speed Control, allowing for fine-tuning of settings for a wide variety of welding tasks. They come with a spool gun compatibility feature, expanding their usability for aluminum welding with ease. The ergonomic design and lightweight construction facilitate mobility, making them ideal for both shop and field work.

In summary, the Lincoln Electric 140 and 180 welders offer users the perfect blend of performance and convenience. Their innovative technologies, user-friendly interfaces, and versatile features make them excellent additions to any welding toolkit, catering to various skill levels and project requirements. Whether for occasional home projects or more demanding professional tasks, these welders deliver exceptional quality, efficiency, and reliability that Lincoln Electric is renowned for.
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