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Weimers 
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 Topic: Noisy Pump: fixed!
Posted: September 25 2004 at 8:02pm |
I thought I was being paranoid, but my Iwaki pump is definitely making more noise than it used to. People that saw my tank before were like, "What's up with that?"
So... do I need to clean it? Troubleshooting help, please?
Renee
Edited by Weimers
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Renee and Damon Weimer
Tankless in Hawaii
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ewaldsreef
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Posted: September 25 2004 at 8:41pm |
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It is possible that some sort of debris got stuck on your impeller. It wouldnt hurt to start with cleaning the pump out. Also dumb question but the pump isnt sitting against something is it?
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Contact me for professional aquarium maintenance and localy grown coral frags. [URL=http://www.aquatitranquility.com][/URL]
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Weimers
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Posted: September 25 2004 at 8:57pm |
No, that's not a dumb question at all. I started with looking for stuff impeding its action. Nothing blocking the fan or anything.
The pump has caulked connections. Some of them have that purple prep stuff with the clear goop to seal it. Do I just rip them apart?
Renee
Edited by Weimers
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Renee and Damon Weimer
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ewaldsreef
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Posted: September 25 2004 at 9:05pm |
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Most of the Iwaki pumps I have seen have a threaded part on the housing. I wouldnt just start ripping the plumbing apart. If you can get the pump out there should just be a few screws holding the housing on.
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Contact me for professional aquarium maintenance and localy grown coral frags. [URL=http://www.aquatitranquility.com][/URL]
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Weimers
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Posted: September 26 2004 at 12:59pm |
I can't get the pump out without removing it from the lines. But when I look at the pump there's a big square area with two screws. Is that the housing? I could post a picture if you'd like.
Edited by Weimers
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Renee and Damon Weimer
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Weimers
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Posted: October 05 2004 at 5:41pm |
Should I mess with the square block on the pump? Will that give me access to clean it without shocking me and/or flooding the floor?
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Renee and Damon Weimer
Tankless in Hawaii
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SSpargur
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Posted: October 05 2004 at 5:55pm |
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On the face side of the pump where the intake is located, there should be about 6 bolts holding the housing on. If you take those out, the black housing should just slide right off. The impeller is right inside there.
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Sean Spargur
West Valley, UT
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jglover
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Posted: October 06 2004 at 12:19pm |
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I think the square block is the motor but I'm not sure, anyway Don't touch the motor! just the impeller. I usually have very small snails caught in mine making the racket. Pics would be helpful.
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Carl
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Posted: October 06 2004 at 3:08pm |
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Renee, I sent you a PM. I can stop by and take a look at it for you. Just let me know.
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In Syracuse
"I believe that forgiving them is God's function. Our job is simply to arrange the meeting." - Gen. H. Norman Schwarzkopf
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Adam Blundell
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Posted: October 06 2004 at 3:42pm |
Once again Carl is there to take care of "all of your needs".
Adam
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Come to a meeting, they’re fun!
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Weimers
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Posted: October 06 2004 at 5:17pm |
Adam, mon chere...
you make me laugh! Honestly, anyone who is willing to put up with my aquatic problems is welcome to my adoration.
Renee
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Carl
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Posted: October 07 2004 at 10:05am |
 Adam Blundell wrote:
Once again Carl is there to take care of "all of your needs". |
Adam, what are you referring to? I am confused. I am just going to check out her plumbing and make sure that she's pumping properly. What's your deal dude? 
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In Syracuse
"I believe that forgiving them is God's function. Our job is simply to arrange the meeting." - Gen. H. Norman Schwarzkopf
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Weimers
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Posted: October 07 2004 at 3:04pm |
So I think my impeller is toast. It's about 10 months old.
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Weimers
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Posted: October 26 2004 at 3:59pm |
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If I get a new pump, what is the new recommended gallons per hour? I have various kinds of coral, and all are pretty happy. I don't want to blow them out of the water, but at the time when I bought the Iwaki, I was told it would last practically forever (the paperwork says 10 years is normal) and that it was well above my needs at 1200gph for a 250g system. Now it seems like that might be insufficient - compared to what other people posting here have got. What do y'all think? How many gallons per hour?
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Renee and Damon Weimer
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Crazy Tarzan
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Posted: October 26 2004 at 4:06pm |
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Renee the 'norm' for a reef tank seems to equal tank size (gals)
x 10-15, from what I've read and figured out. SO your tank would
be about 2500 to 3750 gph. You can always divide up this flow to
different parts of the tank and maybe find a device that can help
create random current (talk to PCPondbuilder). But this is not
necessarily fact, just what I've come to find as the normal suggestion.
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Was that in there yesterday? Casper--WY windier than ?
Down to a 20, soon to double or nothing
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tileman
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Posted: October 26 2004 at 4:15pm |
Renee, Just for a referece point www.MSMAquatics.com has a tank calculator which would give you an idea on how much circulation you should have. Just put in the dimensions of your tank and it will show you.
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335G Reef
TOTM.
http://www.advancedaquarist.com/2015/2/aquarium
ReefKeepers TOTM Feb. 2012
http://reefkeeping.com/joomla/index....k-of-the-month
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faviasteve
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Posted: October 26 2004 at 7:34pm |
Renee,
What model of Iwaki is it? Replacement impellers are available and would fix the problem if it's just the impeller that's toast. If the motor or the magnetic coupler behind the impeller is damaged, you'll probably need a new pump.
I've got a couple GRI 518s (1200 gph external pumps similar to Iwaki 40RLXT) I'm trying to sell.
Steve
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Steve Burton
Logan, Utah
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Shane H
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Posted: October 27 2004 at 3:31pm |
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Steve,
What are you asking for your GRI 518s? Got anything a wee bit bigger?
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Weimers
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Posted: October 27 2004 at 4:38pm |
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Their calculator says 1826 gph. I remeasured from the interior of the acrylic to the interior of the opposing acrylic side. MSM sold me this Iwaki 40RLXT, which also has a sticker for FASCO on it. In order to fix the impeller, I'm going to need another pump to run the tank anyway. I figured I would try to reach Iwaki and see what they say.
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Renee and Damon Weimer
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faviasteve
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Posted: October 27 2004 at 11:29pm |
Shane,
$140 each for the GRI 518s. They are both new. I have a used GRI 520 but I want to keep it... sorry.
Renee,
A replacement impeller for the 40RLXT is $68. Tell Iwaki your old impeller was defective and maybe you'll get a new one free. It's just a magnet with some plastic fins molded around it- what horrible price gouging.
Steve
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Steve Burton
Logan, Utah
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