Reef Central Online Community

Go Back   Reef Central Online Community > Sponsor Forums > Tunze
Blogs FAQ Calendar Mark Forums Read

Notices

User Tag List

Reply
Thread Tools
Unread 01/25/2017, 07:27 PM   #1
adtravels
you cant buy blue fingers
 
adtravels's Avatar
 
Join Date: Jan 2006
Posts: 2,542
Tunze 9410 dc skimmer pump noise

Dear forum

I purchased the aforementioned skimmer after reviews were favorable and I am sure what I am experiencing is new pump issues but would like to check a few things that are not in the troubleshooting section of the manual.

1. The skimmer pump is extremely noisy on initial start up (1-2 seconds) before any air draw and when running with no air going into the pump (pinching the airline)

I removed the pump from the body, removed the volute cover and inspected the impeller, ceramic bearings and rubber shaft caps, all smooth and ok.
the skimmer sits in 210 mm of water and the pump is firmll secured to the body, I have also inverted the pump to let any air escape.

2. As air is allowed to mix the noise reduced significantly but and audible hum is still heard and this increases as the power level to the dc pump is increased to up to 100%.

There is little if any noise coming from vibration it all eminates from the pump.

My question is; Is a loud noise expected from this pump when there is only water passing through it? It is a really loud noise akin to a hammer drill through a wall but as stated when air is mixed there is a significant difference.

Thanks, I would like to state that I really like Tunze products and have had nothing but favorable experience in over 15 years using the products.


__________________
False facts are highly injurious to the progress of science, for they often endure long; but false views supported by some evidence, do little harm, for every one takes a salutary pleasure in proving their falseness.

Current Tank Info: 90 gallon 36x24x24 reef
adtravels is offline   Reply With Quote
Unread 01/26/2017, 07:28 AM   #2
Goran3003
Registered Member
 
Join Date: Dec 2016
Location: Slovenia
Posts: 2
Hi,

I just got the TUNZE 9410 DC skimmer today.
I Will post my observations later.

BR, Goran.


Goran3003 is offline   Reply With Quote
Unread 01/26/2017, 09:41 AM   #3
rvitko
RC Sponsor
 
rvitko's Avatar
 
Join Date: Apr 2000
Location: Austin Texas USA
Posts: 35,785
Is this with the pump stand alone or connected to the skimmer? Connected to the skimmer you will get a loud noise from water being drawn into the air intake. It will generally be louder with only water but it should not be so loud, I suspect one of the bushings is not seated. Also, keep in mind that pump will likely never be run over 50% on the skimmer.


__________________
Roger Vitko
Tunze USA

"He's for every one of us, stands for every one of us, he'll save every man, woman and child in a mighty Flash!"

Current Tank Info: 210 gallon planted tank with Altum Angelfish
rvitko is offline   Reply With Quote
Unread 01/26/2017, 09:52 AM   #4
adtravels
you cant buy blue fingers
 
adtravels's Avatar
 
Join Date: Jan 2006
Posts: 2,542
The noise is apparent both connected to the skimmer and when free from the skimmer body when there is no air allowed into the pump. If I pinch the air line the noise happens and when released and the air rushes back in and the noise is much much quieter.

How do I go about seating the bushings....

By the way it is skimming very well and it has been less than 24 hrs, the pump power is a shade below 50%.

Thanks for your reply Roger, you are a stalwart of the hobby.


__________________
False facts are highly injurious to the progress of science, for they often endure long; but false views supported by some evidence, do little harm, for every one takes a salutary pleasure in proving their falseness.

Current Tank Info: 90 gallon 36x24x24 reef
adtravels is offline   Reply With Quote
Unread 01/26/2017, 10:37 AM   #5
rvitko
RC Sponsor
 
rvitko's Avatar
 
Join Date: Apr 2000
Location: Austin Texas USA
Posts: 35,785
One is in the impeller cover and you can just push it in with your finger. The other is at the bottom of the pump under the impeller, this is the one that tends to come loose in shipping, you will usually need a dowel or pen or something to push it in.


__________________
Roger Vitko
Tunze USA

"He's for every one of us, stands for every one of us, he'll save every man, woman and child in a mighty Flash!"

Current Tank Info: 210 gallon planted tank with Altum Angelfish
rvitko is offline   Reply With Quote
Unread 01/27/2017, 09:16 AM   #6
adtravels
you cant buy blue fingers
 
adtravels's Avatar
 
Join Date: Jan 2006
Posts: 2,542
To follow up I took the pump apart and disassembled it carefully.
The bushes seemed fairly secure. I did try the pump in water with no air and the noise was there but not nearly as loud. When the skimmer was fully assembled it began to run much quieter, to the point that it is not audible over other tank equipment.

I don't know if it will be permenant but I hope it stays quiet.

Thanks


__________________
False facts are highly injurious to the progress of science, for they often endure long; but false views supported by some evidence, do little harm, for every one takes a salutary pleasure in proving their falseness.

Current Tank Info: 90 gallon 36x24x24 reef
adtravels is offline   Reply With Quote
Unread 01/27/2017, 10:22 AM   #7
rvitko
RC Sponsor
 
rvitko's Avatar
 
Join Date: Apr 2000
Location: Austin Texas USA
Posts: 35,785
I think it will, my guess is there was a bubble trapped in the top and opening it and reassembling it cleared that out. Normally the cooling duct will purge any trapped air but it can be airlocked.


__________________
Roger Vitko
Tunze USA

"He's for every one of us, stands for every one of us, he'll save every man, woman and child in a mighty Flash!"

Current Tank Info: 210 gallon planted tank with Altum Angelfish
rvitko is offline   Reply With Quote
Unread 01/29/2017, 10:48 PM   #8
adtravels
you cant buy blue fingers
 
adtravels's Avatar
 
Join Date: Jan 2006
Posts: 2,542
Skimming like a champ now.



__________________
False facts are highly injurious to the progress of science, for they often endure long; but false views supported by some evidence, do little harm, for every one takes a salutary pleasure in proving their falseness.

Current Tank Info: 90 gallon 36x24x24 reef
adtravels is offline   Reply With Quote
Unread 01/30/2017, 10:17 AM   #9
rvitko
RC Sponsor
 
rvitko's Avatar
 
Join Date: Apr 2000
Location: Austin Texas USA
Posts: 35,785
Great news! Thank you!


__________________
Roger Vitko
Tunze USA

"He's for every one of us, stands for every one of us, he'll save every man, woman and child in a mighty Flash!"

Current Tank Info: 210 gallon planted tank with Altum Angelfish
rvitko is offline   Reply With Quote
Unread 09/18/2017, 06:26 AM   #10
adtravels
you cant buy blue fingers
 
adtravels's Avatar
 
Join Date: Jan 2006
Posts: 2,542
Dead set, after 8 months continuous running THE best reef purchase I have ever made.
Affordable, set and forget, easy to clean, silent (i know)

60 to 100 gallons this is the skimmer for you!


__________________
False facts are highly injurious to the progress of science, for they often endure long; but false views supported by some evidence, do little harm, for every one takes a salutary pleasure in proving their falseness.

Current Tank Info: 90 gallon 36x24x24 reef
adtravels is offline   Reply With Quote
Unread 09/18/2017, 09:30 AM   #11
rvitko
RC Sponsor
 
rvitko's Avatar
 
Join Date: Apr 2000
Location: Austin Texas USA
Posts: 35,785
Thank you!


__________________
Roger Vitko
Tunze USA

"He's for every one of us, stands for every one of us, he'll save every man, woman and child in a mighty Flash!"

Current Tank Info: 210 gallon planted tank with Altum Angelfish
rvitko is offline   Reply With Quote
Unread 11/11/2017, 03:03 AM   #12
lancesmith1
Registered Member
 
Join Date: Mar 2005
Location: chattanooga, tn
Posts: 54
Noise problem 9410 DC

Roger - I am having the same problem with noise. I put the skimmer in the sump this week (brand new). It started making the squealing / grinding noise after just a few minutes, If i unplugged it and plugged it back in it would run ok for a couple of hours then start back with the noise. Now, it is non stop to the point where it sounds like it is about to siege up. I checked the bushings as you had prescribed and they are sited fine. I have contacted MD to exchange the pump. But, i thought I would check back and see if there was anything else you would suggest. I think I have a defective pump. I am very disappointed with this situation so far.


lancesmith1 is offline   Reply With Quote
Unread 11/13/2017, 09:10 AM   #13
rvitko
RC Sponsor
 
rvitko's Avatar
 
Join Date: Apr 2000
Location: Austin Texas USA
Posts: 35,785
What is the operating depth? If the bushings are fully seated and the skimmer is in a depth of 6-7" the most likely culprits will be the air intake housing (bottom of pump with air hose attachment) is the wrong one, or the impeller has some blemish. Squealing will come from a bushing being dragged, usually because it is loose, or from too much air being taken in (wrong intake). How long have you had it?


__________________
Roger Vitko
Tunze USA

"He's for every one of us, stands for every one of us, he'll save every man, woman and child in a mighty Flash!"

Current Tank Info: 210 gallon planted tank with Altum Angelfish
rvitko is offline   Reply With Quote
Unread 04/08/2018, 07:48 PM   #14
stacygirl
Registered Member
 
Join Date: Sep 2016
Posts: 5
I'm having the same issue

I just purchased the Tunze 9410 2 days ago, immediately after installing I'm getting a horrible screeching noise from the pump. If I pinch the airline-tube the noise subsides for a few minutes then continues, the noise is unbearable.


stacygirl is offline   Reply With Quote
Unread 04/09/2018, 09:00 AM   #15
rvitko
RC Sponsor
 
rvitko's Avatar
 
Join Date: Apr 2000
Location: Austin Texas USA
Posts: 35,785
Please PM me your info and I will get you out a replacement impeller.


__________________
Roger Vitko
Tunze USA

"He's for every one of us, stands for every one of us, he'll save every man, woman and child in a mighty Flash!"

Current Tank Info: 210 gallon planted tank with Altum Angelfish
rvitko is offline   Reply With Quote
Unread 04/09/2018, 11:12 AM   #16
stacygirl
Registered Member
 
Join Date: Sep 2016
Posts: 5
Quote:
Originally Posted by rvitko View Post
Please PM me your info and I will get you out a replacement impeller.
You think the impeller is the issue? I just purchased the skimmer 2 days ago.


stacygirl is offline   Reply With Quote
Unread 04/09/2018, 11:21 AM   #17
rvitko
RC Sponsor
 
rvitko's Avatar
 
Join Date: Apr 2000
Location: Austin Texas USA
Posts: 35,785
Yes, it is the wrong one and it rubs the housing.


__________________
Roger Vitko
Tunze USA

"He's for every one of us, stands for every one of us, he'll save every man, woman and child in a mighty Flash!"

Current Tank Info: 210 gallon planted tank with Altum Angelfish
rvitko is offline   Reply With Quote
Unread 05/22/2018, 06:23 PM   #18
adtravels
you cant buy blue fingers
 
adtravels's Avatar
 
Join Date: Jan 2006
Posts: 2,542
Skimmer still going great guns still best purchase I have made.


__________________
False facts are highly injurious to the progress of science, for they often endure long; but false views supported by some evidence, do little harm, for every one takes a salutary pleasure in proving their falseness.

Current Tank Info: 90 gallon 36x24x24 reef
adtravels is offline   Reply With Quote
Unread 05/23/2018, 08:15 AM   #19
rvitko
RC Sponsor
 
rvitko's Avatar
 
Join Date: Apr 2000
Location: Austin Texas USA
Posts: 35,785
Thank you!


__________________
Roger Vitko
Tunze USA

"He's for every one of us, stands for every one of us, he'll save every man, woman and child in a mighty Flash!"

Current Tank Info: 210 gallon planted tank with Altum Angelfish
rvitko is offline   Reply With Quote
Unread 07/16/2018, 05:36 AM   #20
WaltCisneros
Registered Member
 
Join Date: Apr 2017
Posts: 4
Gday from Australia, I need you help.

I think I might be having similar issues, I'm determined to make my 9410 go quiet, at the moment it is rather loud and the main and sole reason I got it was to get my tank to be as quiet as possible. The only thing is I don't know how.

1. I can't seem to detach the pump as it seems to be jammed into the skimmer. But I have unscrewed it and taken out the impeller and given it a scrub.

2. I'm not sure if the water level is too high at the moment, I have it a 24cm, 240mm, 9.44882 inches.

3. I have barely any air going into the skimmer as its screwed on pretty tight at the moment as it was overflowing each time.

I have made a short video. To show you what I have if you can help us out here. That would be awesome. Even a video would be amazing. I have seen other posts of people saying that the skimmer is the quietest thing running in their tank. I have a Tunze 6055 and 6095 and if the skimmer could run that quiet I would be in reefer heaven.

Thanks in advance from Australia. Regards

Walt


https://www.youtube.com/watch?v=kr1qd6_ZKEM


WaltCisneros is offline   Reply With Quote
Unread 07/17/2018, 03:44 AM   #21
WaltCisneros
Registered Member
 
Join Date: Apr 2017
Posts: 4
Smile Gday from Australia and HELP PLEASE!

Quote:
Originally Posted by adtravels View Post
To follow up I took the pump apart and disassembled it carefully.
The bushes seemed fairly secure. I did try the pump in water with no air and the noise was there but not nearly as loud. When the skimmer was fully assembled it began to run much quieter, to the point that it is not audible over other tank equipment.

I don't know if it will be permenant but I hope it stays quiet.

Thanks
Could you please explain how you disassembled the pump, I’m having a similar problem and would love to be in the in the catagory of people that love their 9410 skimmer. At the moment it’s in my garage not doing a thing! Plus I’m more of a wreck it ralph kinda guy so would love some advice on how to pull it apart. Thanks for the help, even a video would be great if possible?

Once again thanks


WaltCisneros is offline   Reply With Quote
Unread 07/17/2018, 09:08 AM   #22
rvitko
RC Sponsor
 
rvitko's Avatar
 
Join Date: Apr 2000
Location: Austin Texas USA
Posts: 35,785
I will see what I can do.


__________________
Roger Vitko
Tunze USA

"He's for every one of us, stands for every one of us, he'll save every man, woman and child in a mighty Flash!"

Current Tank Info: 210 gallon planted tank with Altum Angelfish
rvitko is offline   Reply With Quote
Reply

Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On



All times are GMT -6. The time now is 08:27 PM.


Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Powered by Searchlight © 2024 Axivo Inc.
Use of this web site is subject to the terms and conditions described in the user agreement.
Reef CentralTM Reef Central, LLC. Copyright ©1999-2022
User Alert System provided by Advanced User Tagging v3.3.0 (Pro) - vBulletin Mods & Addons Copyright © 2024 DragonByte Technologies Ltd.