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Spectre 3.0 Assembly Manual
Revision 1.2
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Step 17: Filling & Draining The Loop.
Recommended
Items
•
Air Pressure Tester
•
External Power Supply for D5 Pump
•
Long Fill Tube
Filling the Loop:
To fill the loop, we strongly recommend a long fill tube. We use a 90-degree fitting with a barb
fitting and a 200mm length of soft tube. This prevents spilling and helps to remove the air faster.
Spectre Builds will usually take 1.2-1.5L of fluid but allow 2L.
We recommend air pressure testing before filling any loop. Air pressure should not surpass 0.6
bar.
Use an external PSU for your pump or jump start your PSU. Do not boot your system to fill the
loop.
Fill the reservoir 100% and run the pump until the reservoir is almost empty (do not run the pump
dry). Keep repeating until you have full circulation. Give some time for the final air to come out, it
can take 30min to 48hrs depending on your build. Keep the fill tube on until all the air is out and
then seal up the reservoir with a stop fitting.
Draining the Loop:
There are various options for drain valves. For Spectre 3.0 it is in quite a visible location around
the back of the case, so we suggest something visually appealing. We like to use no spill quick
disconnects but any high-quality drain valve will work. No drainage system will ever drain a loop
100%. The only way trapped coolant can be removed is the hard way in any build, dismantling the
loop and individually draining each section.
