D-2

MAINTENANCE

D-2

 

 

 

Replacing the LongLife-H™ Filter with Integrated Aluminum Mesh Pre-separator

1.Remove electrical cord of Miniflex unit from electri- cal outlet.

2.Loosen the side clips (A).

3.Remove the top cover (B) from the machine.

4.Remove LongLife-H™ Filter (C).

5.Check the main filter seals (D) before replacing the filter. If the seals need to be replaced, contact your Lincoln Electric representative.

6.Place the new filter (mesh pre-separator side down) into the bottom section and reassemble unit.

Replacing the HEPA Filter

1.Remove electrical cord of Miniflex unit from electri- cal outlet.

2.Remove the outlet cover (E) by loosening the two screws.

3.Remove the HEPA filter (F).

4.Place a new HEPA filter in the correct position (open side at the top).

5.Remount the outlet cover by fastening the two screws. Make sure that the outlet cover is in the right position; the open side of the HEPA filter should correspond with the smallest opening of the outlet cover.

CAUTION

ATTENTION: Taking out the HEPA filter will cause the seals to deform. For this reason, never replace an old HEPA filter with a used HEPA filter, but always replace it with a new one.

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Replacing the Carbon Filter (if applicable)

1.Remove electrical cord of Miniflex unit from electri- cal outlet.

2.Loosen the side clips (A).

3.Remove the top cover (B) from the machine.

4.Place carbon filter directly on top of LongLife-H™ Filter, either side up.

5.Replace top cover (B).

CARBON BRUSHES

The carbon brushes in both motors should be replaced after approximately 500-700 hours depend- ing on usage.

Note: Two sets of carbon brushes and seals are included with unit.

CAUTION

Carbon brush life depends on how unit is operat- ed, i.e. continuous operation or automatic start/stop mode. If carbon brushes are not replaced, damage to motors may result.

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Carbon Brush Replacement

Refer to Figure D.1 on page D-3 for the following instructions.

1.Remove electrical cord of Miniflex unit from electri- cal outlet.

2.Remove top cover (B) of Miniflex unit by releasing the side clips (A) on both sides of unit.

3.To remove the housing plate at bottom of top cover, place top cover with housing plate facing upward. Remove 8 screws holding the housing cover plate using a Phillips head screwdriver. Remove two bolts holding the housing cover plate in place. An 8 mm socket is required. After removing 8 screws and 2 bolts, use a flat blade screwdriver to remove hous- ing cover plate.

CAUTION

To avoid motors from dislodging, the Miniflex top cover (B) must remain facing upward after remov- ing housing cover plate.

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4.Slowly pull one motor out at a time, until sufficient room is allowed to remove and inspect carbon brushes (G).

5.Disconnect yellow and black wires from each motor connection terminal. Remove carbon brushes by using a flat head screwdriver.

6.To insert new carbon brushes, carbon side of brush must be inserted first into plastic housing with brass connection terminal in upright position to connect yellow and black wires. After inserting new carbon brushes, connect yellow and black wires.

7.Reposition motors and reattach housing cover plate.

8.Place top cover on Miniflex unit using the two side clips.

9.Operate unit to make sure carbon brushes have been properly installed.

MINIFLEX

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Lincoln Electric IM857 manual Carbon Brushes, Replacing the Hepa Filter, Replacing the Carbon Filter if applicable

IM857 specifications

The Lincoln Electric IM857 is a sophisticated industrial welder designed for high performance and versatility in various welding applications. With an impressive power output and advanced features, this machine is tailored for professionals who demand reliability and superior quality in their welding projects.

One of the standout characteristics of the IM857 is its robust construction. It is engineered for durability, making it suitable for heavy-duty industrial environments. The sturdy design ensures longevity and resilience against the rigorous demands of daily welding operations.

The IM857 includes multiple process capabilities, allowing it to perform MIG, TIG, and stick welding, which makes it an excellent choice for diverse applications. This versatility means that users can seamlessly switch between different welding processes without needing multiple machines, thereby saving time and space in the workplace.

Another key feature of the Lincoln Electric IM857 is its advanced control system. The user-friendly digital interface allows for precise adjustments and monitoring of welding parameters. This ensures optimal performance while providing real-time feedback. Additionally, the machine incorporates various pre-set modes that cater to specific welding processes, enabling users to achieve excellent results with minimal setup time.

In terms of technology, the IM857 employs advanced inverter technology, which enhances efficiency and reduces energy consumption. This not only leads to lower operational costs but also ensures that the machine operates quietly, contributing to a more comfortable working environment. The inverter technology also results in a more compact design, making the welder easier to transport and maneuver.

Safety is a priority with the IM857, equipped with features such as overload protection and thermal shutdown to prevent damage to the machine. Moreover, the welder is designed with user safety in mind, adhering to stringent industry standards.

Overall, the Lincoln Electric IM857 is a top-tier welding machine that combines versatility, durability, and intelligent technology. It addresses the needs of professionals who require a reliable welder that delivers high-quality results in demanding environments. Whether it’s for manufacturing, maintenance, or construction applications, the IM857 stands out as a preferred choice for those who value performance and efficiency in their welding tasks.