53
MAINTENANCE
Checking Fans and Air Vents
WARNING: Before undertaking any work on the laser
marking system, unplug the mains power.
The fans are located at the sides of the control unit.
A fan defect immediately poses a danger of overheating that may result
in damage to the control unit, therefore the fans must be checked once
a month.
Control Unit
(1) Check the fans for bearing noises. If bearing noise exist, the
respective fan must be replaced.
(2) Check the fan filters of the controller (2 on the left side and 2 on
the right side) for blockages and dirt. If necessary, exchange
them. This may be easily done from the outside without opening
the controller.
Cleaning the Lens
CAUTIONS: (1) Do not use compressed air from the installation
for cleaning.
(2) Water must not be used for cleaning, as the
lenses are not water resistant.
(3) Clean carefully as there is a risk of scratch marks
on the lens which will reduce the marking quality
WARNING: Ensure the mains power plug is removed
before cleaning the lens.
The lens must be checked monthly for dust, and if necessary be
cleaned with (absolutely clean) compressed air from a can.
For all other dirt, the lens must be cleaned with Isopropyl Alcohol and
lens paper, or cotton swabs (Q-tips), as follows:
(1) Take an unused cotton swab (cotton bud) and soak one end in
Isopropyl Alcohol.
(2) Lightly wipe with ONE PASS ONLY across the surface of the
lens.
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