4.2 The cleaning of the fan
As a long time fan use, will accumulate a lot of solid dust inside the fan, make the
fan have a great noise, and also it is bad for exhaust and remove the smell. When
the fan have insufficient suction and poor smoke, first we should turn off the
power, unload the fan on the pipe and out into the air duct, remove the dust inside,
then inverted the fan, and toggle inside the fan, until it is cleaned up, then install
4.3 Lens cleaning (Recommend that cleaning before work every day, equipment
must be in a shutdown state), Engraving machine has three mirrors and a focusing
mirror (No.1mirror in laser tube exit launch (Upper left corner of the machine),
No.2mirroi in the beam of the left, No.3 mirror at the top of the fixed part of laser,
focusing mirror in laser tube in the lower adjustable) Laser is reflected through the
lens, focused by the first emitted from the laser. Lens is easy to coat the dust or
other contaminants, resulting in loss of the laser or lens damage, needless to
remove the No.1 and No.2 lens cleaning, just wipe dipped in cleaning fluid lens
paper carefully along the edge of the lens rotating center to wipe. No.3 lens and
the focusing mirror need to remove from the frames, clean them with the same
way, After cleaning you can put it back.
(1)Gently wipe the lens should not damage the surface coating；
(2)Cleaning process should be gently, to prevent falls
(3)When the focusing mirror installation, be sure to keep downward convex.
4.4 Screws, tighten the coupling
Motor system after a period of time at work, the screws and Coupling of the sports
Junction will have loose, it will affect the mechanical movement of the stationary,
therefore, to observe the operation of the machine drive components are not
abnormal sound or abnormal behavior, to promptly identify problems and
maintain strong. While the machine is running for some time, should be reinforced
with a tool one by one screw. The first reinforcement should be approximately one
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