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Step 1.
Turn off and unplug the engraver.
Step 2.
Access the chiller drain port and fully drain the coolant.
Step 3.
If you have been using distilled water as the coolant,
a. Using a funnel, add a solution of clean soft water with citric acids or a mild detergent
and bleach through the chiller fill port.
b. Resume power to the chiller.
c. Run the chiller for about ten minutes to clear the system and drain the liquid.
d. Process a few cycles of refilling and draining to clear any remaining residue.
e. Once no debris or residue is being rinsed out with the water, refill the tank with distilled
water.
Step 4. If you have been using laser-safe antifreeze,
a. Fully drain the chiller.
b. Using a funnel, fill the chiller with a solution of clean soft water with citric acids or a
mild detergent and bleach through the chiller fill port.
c. Resume power to the chiller.
d. Run the chiller for about ten minutes to clear the system and drain the liquid.
e. Process a few cycles of refilling and draining to clear any remaining residue.
f. Once no debris or residue is being rinsed out with the water, refill the tank with distilled
water.
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