D-4

MAINTENANCE

D-4

Slotted

 

Brass Cable

Set Screw

 

Connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Liner Assembly

(Liner bushing to be seated tight against brass cable connector)

1-1/4 (31.8 mm) Liner Trim Length

Gas Diffuser

Contact Tip (Threaded)

Gas Nozzle or Gasless Nozzle (Threaded)

FIGURE D.2

Liner trim length for gun with red trigger (Magnum™ 100L)

CHANGING LINER

9. Screw the gas diffuser onto the end of the gun

 

tube and securely tighten.

NOTICE: The variation in cable lengths prevents the

10. Replace the contact tip and nozzle.

interchangeability of liners. Once a liner has been cut

for a particular gun, it should not be installed in another

 

gun unless it can meet the liner cutoff length require-

GUN HANDLE PARTS

ment. Refer to Figure D.2.

 

1. Remove gun and cable assembly from machine.

The gun handle consists of two halves that are held

together with a collar on each end. To open up the

2. Remove the gas nozzle from the gun by unscrew-

handle, turn the collars approximately 60 degrees

counter-clockwise until the collar reaches a stop. Then

ing counter-clockwise.

pull the collar off the gun handle. If the collars are diffi-

3. Remove the existing contact tip from the gun by

cult to turn, position the gun handle against a corner,

place a screwdriver against the tab on the collar and

unscrewing counter-clockwise.

give the screwdriver a sharp blow to turn the collar

 

past an internal locking rib. See Figure D-3.

4.Remove the gas diffuser from the gun tube by unscrewing counter-clockwise.

5.Lay the gun and cable out straight on a flat sur-

face. Loosen the set screw located in the brass connector at the wire feeder end of the cable. Pull the liner out of the cable.

6. Insert a new untrimmed liner into the connector

 

end of the cable. Be sure the liner bushing is sten-

Counter-clockwise

ciled appropriately for the wire size being used.

7.Fully seat the liner bushing into the connector. Tighten the set screw on the brass cable connec- tor. At this time, the gas diffuser should not be

installed onto the end of the gun tube.

8.With the gas nozzle and diffuser removed from the gun tube, be sure the cable is straight, and then trim the liner to the length shown in the Figure D.2.

Remove any burrs from the end of the liner.

FIGURE D.3

 

SP-135 PLUS

Page 26 Page 28
Page 27
Image 27
Lincoln Electric IM788 manual Changing Liner, GUN Handle Parts, Liner trim length for gun with red trigger Magnum 100L
Page 26 Page 28

IM788 specifications

The Lincoln Electric IM788 is a cutting-edge industrial welding inverter known for its advanced features and technologies that enhance productivity and efficiency in various welding applications. This machine is specifically designed to cater to the demands of high-performance environments while maintaining reliability and ease of use.

One of the standout features of the IM788 is its multi-process capability. It offers MIG, TIG, and stick welding options, making it a versatile choice for welders who work with a diverse range of materials and thicknesses. This flexibility enables operators to switch processes seamlessly without compromising on performance, thereby increasing overall productivity.

The IM788 is equipped with Lincoln Electric's exclusive Synchronized Arc Control Technology, which optimizes the arc characteristic for different materials and welding conditions. This technology helps to achieve cleaner and more precise welds, minimizing the need for post-weld finishing. Additionally, the machine offers a broad range of voltage and amperage settings, allowing for fine-tuning based on specific project requirements.

Another significant attribute of the IM788 is its built-in intelligence. The machine incorporates advanced microprocessor control, which enhances user interface capabilities and allows for easy adjustments to welding parameters. The intuitive digital display provides real-time feedback on settings and performance, enabling operators to make informed decisions and adjustments as needed.

Durability is also a key characteristic of the Lincoln Electric IM788. Its hardened metal case ensures protection against harsh working conditions, while internal components are designed to withstand heavy usage. This robust construction not only extends the machine's lifespan but also maintains consistent performance even in demanding environments.

The IM788's compact design and lightweight construction make it portable and easy to transport, allowing welders to move it effortlessly between job sites. Coupled with its energy-efficient operation, this inverter contributes to lower operational costs, making it an economical investment for both small workshops and large industrial operations.

In summary, the Lincoln Electric IM788 stands out for its multi-process capabilities, advanced welding technologies, user-friendly interface, and robust design. These features make it an ideal choice for professionals seeking a reliable and efficient welding solution. Whether for fabrication shops, construction sites, or maintenance applications, the IM788 delivers exceptional performance and versatility, solidifying its position as a leading welding inverter in the market.
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