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8. Maintenance
Refilling
Your chiller should arrive with no prefilled coolant or antifreeze. It is recommended
that you use OMTech laser-safe antifreeze for safety. Always fill the chiller with
distilled water or a custom-purpose laser-safe antifreeze. Using deionized or
tap water for any purpose but rinsing out cleansers (see above) will gradually
degrade the quality of your engraver and may even cause dangerous mineral
buildup within the cooling system. Never use generic antifreeze for the same
reason. Fill the tank to the green “NORMAL” level. (“FULL” is actually overfilled.)
NEVER touch or adjust your laser’s water supply while it is still turned on or
connected to power.
It is recommended to change your coolant every three months to prevent any
need for cleaning and rinsing the system. Alternatively, if your coolant remains
clear month after month, drain it at least once a year, being sure to run the full
cleaning routine described above to remove any microbial growth, corrosion, or
impurities from the cooling system.
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