83
Use the same procedure as cleaning the
focus lens.
Procedure for cleaning the beam
combiner lens.
For location of the beam combiner lens,
refer to figure 2, page 18.
1. Cleaning the beam combiner lens
requires removal of the laser tube
shroud. See page
69 for removal of the
shroud.
2. Do not remove the beam combiner
lens.
3. Dip the swab or lens wipe in the
solvent. Use a gentile circular motion
to clean the lens surface.
4. Use dry swabs or wipes to gently dry
the lens surface.
5. Reassemble the laser tube shroud.
Guide Rails X and Y
a. Clean the X and Y guide rails weekly.
Clean more often if debris is visibly
accumulating.
Its important to keep the left and right
side rails clean to allow the moving
parts of the laser 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
laser.
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 laser unit 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. Moreover,
reduce the chance of airborne dust
interfering with the laser path.
• Remove the honeycomb plate and wipe
or vacuum the interior of any debris.
• Pay particular attention to the laser
tube cover 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. Its important that they have
relatively the same amount of tension.
Tension is difficult to measure but
there should not be sagging in one belt
MAINTENANCE
Beam
Combiner
Lens
Fig. 42
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