Lincoln Electric IM857 manual Carbon Brushes, Maintenance

Models: IM857

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CARBON BRUSHES

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.

Manual backgroundCAUTION

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.

Manual backgroundCAUTION

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.

Manual backgroundCAUTION

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, Maintenance