11
HPC LASER LTD – NEVER LEAVE YOUR MACHINE UNATTENDED WHEN WORKING
ENGRAVING MAINTENANCE:
The single most important thing that you can do to keep your engraver working as if it were
new is to keep it clean! Five minutes once a day will keep the residue and debris from
building up and causing problems. There is virtually no maintenance required for your
engraver if you KEEP IT CLEAN!
EXHAUST:
Make sure the exhaust blower you are using receives proper maintenance. Periodically
clean the exhaust blower and duct system to remove built-up debris. If you detect odour
while engraving, or if the smoke in the cabinet is visible in the area of the lens carriage,
inspect the exhaust system. Check for loose or broken pipe/hose connections, or
obstructions.
BEARINGS:
The bearing system on the engraver is designed to be maintenance free, with the
exception of periodic cleaning, please oil.
CLEANING:
Periodically (once a week), the machine will benefit from a light cleaning. Use a soft cloth
and some hardware store alcohol. Open the large door and wipe down the bearing
surfaces first, while the cloth is still clean. These are shown with arrows in the photo.
Please clean these components thoroughly, along their entire length.
OPTICS:
About once a week, you will need to clean the optics (mirrors and lenses) of your
engraver. If smoke, resin, or other contaminants are allowed to accumulate too heavily,
they will reduce the available laser power and may even cause damage.
To clean the optics use a high-quality cotton bud moistened with isopropanal alcohol.
Wet the cotton bud thoroughly with the solvent, and then blot it against a paper towel or
piece of cotton so that it is no longer soaking-wet.
Then daub the optic gently, rotating the cotton bud after each daub to expose clean cotton
to the surface, until the optic is free of visible contamination. At that point, prepare a fresh
cotton bud and clean the surface with a gentle zigzag motion across it. Avoid any hard
"scrubbing" of the surface, especially while there are visible particles on it, and try not to
use repetitive circular motions. When you are done, be careful to remove any cotton
threads that may have snagged on the mountings, and allow the optics to dry before you
operate your engraver.
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