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F-50

F-50

TROUBLESHOOTING & REPAIR

POLARITY SWITCH REMOVAL AND REPLACEMENT (continued)

FIGURE F.14 – NAMEPLATE REMOVAL

NAMEPLATE

CASE FRONT PANEL

POLARITY

OUTPUT

 

SWITCH

 

 

CONTROL

 

 

KNOB

 

 

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ALLEN

SCREW

CONTROL

KNOBS

SCREW

POLARITY

SWITCH

HANDLE

AMPERAGE

 

 

 

 

AC

WAVE

AMPS

 

 

 

 

 

 

 

BALANCE

VOLTS

 

POST

 

 

 

DOWN

FLOW

THERMAL

 

 

TIMESLOPE

PROTECTION

POWER

 

 

 

 

 

ON

REMOTE

 

 

 

 

OFF

 

SQUARE

 

 

 

 

WORK

WAVE

 

 

WATER

TO

 

 

 

 

OUT

ELECTRODE

TIG

 

WATER

275

IN

 

 

 

 

 

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PROCEDURE

1.Remove the input power to the TIG 275 machine.

2.Using the 3/8” nut driver, remove the case sides and top. For Steps 3-8, see Figure F.14.

3.Using the 5/64” allen type wrench, remove the output control knob.

4.Using the phillips head screw driver, remove the screw from the polarity switch handle.

5.With the 2 slot head screw drivers, carefully pry the polarity switch handle from the shaft.

6.Using the small slot head screw driver, remove the three small control knobs.

7.Remove the seven plastic snap rivets holding the nameplate to the case front.

8.Remove the nameplate.

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SQUARE WAVE TIG 275

Page 90
Image 90
Lincoln Electric SVM141-A Polarity Switch Removal and Replacement, Allen Screw Control Knobs Polarity Switch Handle

SVM141-A specifications

The Lincoln Electric SVM141-A is a cutting-edge solution designed for operators requiring precision, efficiency, and versatility in their welding applications. This machine is known for its compact form but robust feature set, making it an ideal choice for both professional welders and industrial applications.

One of the standout features of the SVM141-A is its advanced inverter technology. This innovation allows for a stable arc, providing consistent results even under varying conditions. The machine minimizes power consumption, making it energy-efficient without compromising performance. The inverter technology also supports a wider input voltage range, making the SVM141-A suitable for use in diverse environments and job sites.

Another key characteristic is its multi-process capability. The SVM141-A supports MIG, stick, and TIG welding processes, providing flexibility for various welding tasks. This versatility enables operators to tackle different materials, including mild steel, stainless steel, and aluminum, making it a valuable tool for numerous projects.

The user-friendly interface of the SVM141-A includes an intuitive digital display, which allows welders to adjust settings with ease. This feature is crucial for ensuring the right configurations for specific welding tasks, reducing the chances of errors and enhancing the overall finish of welds.

Safety is also a priority with the Lincoln Electric SVM141-A. It comes with built-in safety features such as overheat protection and automatic shutdown, ensuring operator safety and equipment longevity. The machine's lightweight design enhances portability, allowing it to be used in various workspaces with ease.

Durability is another hallmark of the SVM141-A. Constructed with high-quality materials, the machine is designed to withstand the rigors of demanding work environments. This ensures reliability over time, providing consistent performance even under heavy use.

In summary, the Lincoln Electric SVM141-A is a versatile, efficient, and user-friendly welding machine that appeals to a wide range of users. Its advanced inverter technology, multi-process capabilities, safety features, and durable construction make it a strong contender in the welding market, suitable for both professionals and hobbyists alike. Whether it’s for light fabrication, repairs, or industrial welding tasks, the SVM141-A meets diverse needs with precision and reliability.