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one of my pump make grinding noise. HELP

post #1 of 8
Thread Starter 
So im trying to bleed my loop today and one of the pump making a grinding noise. I tried to shut that off and use only the other pump and it didnt make any noise at all. The out pump is the only one making noise. Also the water doesn't want to get inside the loop. is it a bad pump or what is it? please help.
post #2 of 8
Sounds like you were running the pump dry. That is a bad idea and can ruin the bearing pretty quickly. If you are running a dual pump setup only use the pump immediately after the res until you have water flowing through your loop.

Pumps also make a sound like they are pumping gravel or sand if there are a lot of bubbles going through them. This won't hurt your pump in the short term and is a fairly normal part of bleeding the loop. Top up your res to make sure that no air bubbles are going into the pump otherwise you will not be able to properly bleed the system.

Sometimes the water is reluctant to fill the loop - it needs to displace the air first which doesn't always want to leave.
When filling make sure that the air has a path to escape. This can involve capping your res and tilting the case round a bit to allow the water to get in there.

Can you post pics of your setup? This will help us to give advice.
Edited by GingerJohn - 12/4/12 at 10:54am
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post #3 of 8
Thread Starter 
i dont know what to do please tech me :d here is the picture.
post #4 of 8
OK, firstly is your res set up for series operation?

I seem to remember that that res can do both series and parallel, you have to change a plug over or something use a 180° connector. Have a read of the instruction manual and double check that it is set up properly.

Secondly bay reservoirs can be difficult to bleed - just one of those things. Only connect one pump, fill the res, run the pump until the water level drops, turn the pump off and top up the res. Repeat until water is flowing round the loop.


Edit:

Have a look at the res manual here, make sure that you have combined the chambers and set up for series as described in step 3. Also install the acrylic bypass piece as described in step 4.

Looks like that is a really complicated reservoir.
Edited by GingerJohn - 12/4/12 at 11:09am
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post #5 of 8
Thread Starter 
i got it mate. running series set up and only turn 1 pump on make that problem. also since combine 2 res into 1 under the res mean i have to open both hole for the air to get out.

I use a separate pump to pump the water in and then close the loop and bleed air bubble. seem like no more air to me. i tilt all four ways and there are no more. im leaving it on for now see if there any leak... thanks so much
post #6 of 8
Thread Starter 
my question is... is it normal to hear the water running thru? i don't see any buddle at all but i hear the water passing thru blocks and fitting also from the res.... is that normal?
post #7 of 8
Quote:
Originally Posted by eviltommyng View Post

my question is... is it normal to hear the water running thru? i don't see any buddle at all but i hear the water passing thru blocks and fitting also from the res.... is that normal?

There is air in your system,tilt the case around every 1 hour or so till the noise stops
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post #8 of 8
Quote:
Originally Posted by eviltommyng View Post

my question is... is it normal to hear the water running thru? i don't see any buddle at all but i hear the water passing thru blocks and fitting also from the res.... is that normal?

I have the 1U version of that res. It's a bit of a pain to bleed. I turn my rig on it's back, attach tubes to both of the front facing openings and fill using those. It should bleed ~95% free of air in less than an hour. At first the noise should diminish significantly as the loop begins to fill, then the swooshing noise should go away completely after a day or so once all of the air has bled out. As it runs you will see a bit of air begin to collect in the res. If it is still making a loud noise after several minutes and you are sure that water is circulating something has to be wrong. thumb.gif

(Also, what GJ says above is 100% correct. If you don't have the plugs removed and the spacer installed as the instructions indicate for serial ops than it makes all kind of noise. Also watch that 180deg connector. Mine started leaking. It's caused by over tightening the fittings.)
Edited by pgdeaner - 12/4/12 at 2:34pm
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