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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.
MAINTENANCE
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.
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
CAUTION
CAUTION
D-2
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