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Pump stopped working!!! Help!!!! - Page 3

post #21 of 22
Are you able to drain the loop? You would need to do this anyways if replacing the pump with a new one.

Once the loop is drained:

- Take apart the pump via the four screws on the base. Do this over a bucket or pie tin.
- Take the impeller out and clean it in Goo-Gone if the impeller has slim on it.
- Rinse the impeller in 50/50 distilled vinegar and distilled water.
- Wipe out the pocket area the impeller sits inside of the pump housing.
- Wipe off the o-ring.
- Place 1 or 2 drops of 3in1 oil onto the white ceramic ball in the pump housing base.
- Now take the impeller and rotate it carefully onto the white ceramic ball working it clockwise and counter clockwise.
- Reassemble everything, bleed the air out and start the loop, but not the computer.
- Check for leaks.
- If things look great, place pump back into the computer and run like normal.

Since you are running the pump only in water, the impeller bearing fingers and the white ceramic ball have no lubrication. In reality, the rpm's slow down over time since things in the loop float around and affect the pump bearing surfaces.

If your pump is again full of bubbles, your issue is caviation. No matter what pump you put in your loop, it would die in time. How far away is the RES to the pump inlet? Are there any highly restrictive items just beyond the pump's outlet?
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post #22 of 22
Quote:
Originally Posted by DaClownie View Post
For reference purposes, with MCP655 variable speed at full bore, i can't hear the damn thing. Had I known that, I woulda just gone for the non-vario to save the few bucks.
In this case it is not just about sound. The MCP655-B actually runs slower (around the 3 mark for the MCP655-V).
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Biggie Smalls
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LG Bluray Combo Drive Corsair H50 Windows 7 Professional x64 Dell UltraSharp U3415W 
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Ducky Shine 4 Blue/Red Corsair AX860 Corsair Obsidian 350D Razer Deathadder Chroma 
Mouse PadAudioAudioAudio
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