83
Laser Tube Guard. See page 70 for
removal of the Laser Tube Guard.
2. Do not remove the Beam Combiner
Lens. The Laser Aperture cannot be
removed from the laser tube. Be extra
cautious when cleaning the Laser
Aperture. Any damage to the Laser
Aperture will result in a damaged laser
tube.
3. Dip the swab or lens wipe in the
solvent. Use a gentle circular motion to
clean the surface of the Laser Aperture
and Beam Combiner Lens.
4. Use dry swabs or wipes to gently dry
the surface of the Laser Aperture and
Beam Combiner Lens.
5. Reassemble the Laser Tube Guard.
Guide Rails X and Y
a. Clean the X and Y guide rails weekly.
Clean more often if debris is visibly
accumulating.
It’s important to keep the left and right
side rails clean to allow the moving
parts of the Dremel LC40 Laser Cutter
to glide freely without sticking or
binding. Also, clean the guide rail
between the two side rails supporting
the moving Gantry. Keeping these rails
clean is important to maintain the high
precision of the Dremel LC40 Laser
Cutter.
b. Use a clean soft cotton cloth to wipe
down the rails. Re-lubricate with a
light coating of white lithium grease.
Enclosure and Top Cover
The enclosure and glass Lid for the laser
should be cleaned at least monthly.
Cleaning the enclosure:
• Wipe down the external surfaces of the
enclosure with a soft cotton towel. Use
light pressure to avoid scratching the
surface.
Cleaning the glass Lid and side covers:
• Use glass cleaner and a soft towel to
clean the Lid.
• The plastic side covers should only be
cleaned with glass cleaner or a mild
soap solution. Use a soft towel and
light pressure. Do not use a paper
towel, as this is more abrasive and can
scratch the surface. Do not use alcohol
to clean the plastic side covers.
• Use caution when cleaning the display
screen as it is made of glass. Use light
pressure.
Cleaning the interior:
The interior of the Dremel LC40 Laser
Cutter should be kept clean of debris.
Check at least once per week and clean if
necessary. Keeping the interior clean will
reduce the risk of particles flaming during
use and will reduce the chance of
airborne dust interfering with the laser
path.
• Remove the Honeycomb Plate and wipe
or vacuum the interior clean of any
debris.
• Pay particular attention to the Laser
Tube Guard as the small outlet
openings can become clogged with
debris.
Y-Axis Belts
a. Checking belt tension. Check the
rubber belts for tension every six
months. The rubber belts work
together to move the Gantry front to
rear. It’s important that they have
relatively the same amount of tension.
MAINTENANCE
Beam
Combiner Lens
Laser
Beam
Aperture
Fig. 47
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