Checking for leaks on Vision Inspiration

Eoin · 2nd July 2007, 13:18

Quote: (Originally Posted by Divejunkie)

This happened to me some time ago, check the diaphragm in the ADV if your unit has one. Mine had a small hole in it and would not hold either positive or negative pressure. I spent ages chasing my tail trying to find leaks on all of the joints.

Mine just developed a leaky ADV, but the hole was a little bigger and I could hear where it was coming from. Worth checking though!

pabusk · 3rd July 2007, 09:56

I usualy first try to isolate if the leak is in the counterlung section or the scrubber part. Just take the inhale hose from the scrubber and attach it to the exhale T-piece. You now have the counterlungs plus ADV ***ke isolated from the scrubber. Just do you checks and fix leaks if found there. If everything is OK you know you have to focus on the scrubber section.

Cheers,
Paul

simon varley · 10th July 2007, 03:35

Quote: (Originally Posted by pabusk)

I usualy first try to isolate if the leak is in the counterlung section or the scrubber part. Just take the inhale hose from the scrubber and attach it to the exhale T-piece. You now have the counterlungs plus ADV ***ke isolated from the scrubber. Just do you checks and fix leaks if found there. If everything is OK you know you have to focus on the scrubber section.

Cheers,
Paul

unfortunately you can't do this on a Vision as the threads on inhale and exhale are different.

however....

it might be worth getting some adaptors made up to enable this. or would the extra joints just complicate matters? anyone know the thread specs?

PCDiver · 10th July 2007, 09:28

Quote: (Originally Posted by simon varley)

unfortunately you can't do this on a Vision as the threads on inhale and exhale are different.

however....

it might be worth getting some adaptors made up to enable this. or would the extra joints just complicate matters? anyone know the thread specs?

It also works with the Vision without extra adapters.

pabusk · 10th July 2007, 10:31

Quote: (Originally Posted by simon varley)

unfortunately you can't do this on a Vision as the threads on inhale and exhale are different.

NO it does work ... take the inhale hose from the top of the scrubber housing. Take the exhale hose from the T-piece. Now you only have a hose connected to the inhale T-piece. Connect that hose to the exhale T-piece. The exhale T-piece has the same threat as the top part of the scrubber. Have you breathing hose connected and you have the full lug section closed and isolated for testing

Cheers,
Paul

simon varley · 10th July 2007, 23:17

sorry Paul, I didn't read your post properly. You're saying you remove the inhale hose at the scrubber end right?

I'll give it a go - must be getting too old to think outside the box for myself.

narked at 90 · 11th July 2007, 00:02

sorry for the add but the bungs we make may help you track down a leak by closing off differant parts of the loop. the hose bungs take out the oring equastion( but not the fittings to the hose that apd make) the lager bungs can test the fittings hoses fit to...... head, T's, side tube, dsv
kind regards john routley
Home

diverklondike · 11th July 2007, 00:06

Quote: (Originally Posted by Dennis)

Thanks. I went diving in Plymouth at the weekend and the unit behaved flawlessly. No leaks seen on bubble check. On opening the unit at the end of the day, there were a few teaspoons of water on the top of the scrubber, but none underneath. This leads me to suspect the solenoid fitting and I'm going to have a closer look at this during the week.

Cheers,

Dennis

I would suspect that is normal condensation and not a leak...

My 2 cents is to put it in a tub. I can't imagine that you would not find it that way. About a year ago I invested in a 140 gal tub that I soak the rig in after every weekend of ocean diving. Part of the routine is to do a positive test on the entire rig for about 15 minutes while I am soaking the salt off of it.

Dive Safe

Mark

pabusk · 12th July 2007, 10:08

Quote: (Originally Posted by simon varley)

sorry Paul, I didn't read your post properly. You're saying you remove the inhale hose at the scrubber end right?

I'll give it a go - must be getting too old to think outside the box for myself.

hehehehe ... I guess we all suffer from the mondaymorning syndrom once in a while

DaveT2 · 12th July 2007, 14:54

[quote=diverklondike;125512]I would suspect that is normal condensation and not a leak...

I was down in Plymouth for the last couple of weeks (supposedly doing all those lovely 70m+ wrecks), but apart from 1 day, it was just too bouncy/windy for us old folks

Anyway, the one dive we did get in (Medoc) was not too bad, but by the time we got back to the surface it was definitely VERY bouncy. Stripping the kit down when we got back, I had the same thing - about 2 teaspoonfulls of water on top of the scrubber, where there is normally just a couple of spots. However, shaking out the excess condensation from the head like I normally do produced........naff all. Obviously the boat - and then my car over the speed bumps - had already done it for me.

The unit then held -ve test for 3 days waiting to get back in the water - so I'm going to stick my neck out and say my unit was not leaking.

So I'll go for condensation too.

regards
Dave

2nd July 2007, 13:18	#11 (permalink)
Eoin New Member Current Rebreather/s: Inspiration Classic Other Rebreather/s: Inspiration Classic Join Date: Nov 2005 Location: Ireland Posts: 57	Re: Checking for leaks on Vision Inspiration Quote: (Originally Posted by Divejunkie) This happened to me some time ago, check the diaphragm in the ADV if your unit has one. Mine had a small hole in it and would not hold either positive or negative pressure. I spent ages chasing my tail trying to find leaks on all of the joints. Mine just developed a leaky ADV, but the hole was a little bigger and I could hear where it was coming from. Worth checking though! __________________ Ta, Eoin ~~~~~~~~~ www.scuba.ie www.technicaldiving.ie
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3rd July 2007, 09:56	#12 (permalink)
pabusk Custom Title Allowed! Current Rebreather/s: Inspiration Vision Other Rebreather/s: Not Bought Yet Inspiration Classic Join Date: Dec 2005 Location: Holland Posts: 133	Re: Checking for leaks on Vision Inspiration I usualy first try to isolate if the leak is in the counterlung section or the scrubber part. Just take the inhale hose from the scrubber and attach it to the exhale T-piece. You now have the counterlungs plus ADV ***ke isolated from the scrubber. Just do you checks and fix leaks if found there. If everything is OK you know you have to focus on the scrubber section. Cheers, Paul
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10th July 2007, 03:35	#13 (permalink)
simon varley New Member Current Rebreather/s: Inspiration Vision Other Rebreather/s: Join Date: Jul 2005 Location: geelong, VIC Posts: 34	Re: Checking for leaks on Vision Inspiration Quote: (Originally Posted by pabusk) I usualy first try to isolate if the leak is in the counterlung section or the scrubber part. Just take the inhale hose from the scrubber and attach it to the exhale T-piece. You now have the counterlungs plus ADV ***ke isolated from the scrubber. Just do you checks and fix leaks if found there. If everything is OK you know you have to focus on the scrubber section. Cheers, Paul unfortunately you can't do this on a Vision as the threads on inhale and exhale are different. however.... it might be worth getting some adaptors made up to enable this. or would the extra joints just complicate matters? anyone know the thread specs?
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10th July 2007, 09:28	#14 (permalink)
PCDiver Submerge Productions Current Rebreather/s: Inspiration Vision Other Rebreather/s: Inspiration Classic Join Date: Feb 2005 Location: Belgium Posts: 1,003	Re: Checking for leaks on Vision Inspiration Quote: (Originally Posted by simon varley) unfortunately you can't do this on a Vision as the threads on inhale and exhale are different. however.... it might be worth getting some adaptors made up to enable this. or would the extra joints just complicate matters? anyone know the thread specs? It also works with the Vision without extra adapters.
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10th July 2007, 10:31	#15 (permalink)
pabusk Custom Title Allowed! Current Rebreather/s: Inspiration Vision Other Rebreather/s: Not Bought Yet Inspiration Classic Join Date: Dec 2005 Location: Holland Posts: 133	Re: Checking for leaks on Vision Inspiration Quote: (Originally Posted by simon varley) unfortunately you can't do this on a Vision as the threads on inhale and exhale are different. NO it does work ... take the inhale hose from the top of the scrubber housing. Take the exhale hose from the T-piece. Now you only have a hose connected to the inhale T-piece. Connect that hose to the exhale T-piece. The exhale T-piece has the same threat as the top part of the scrubber. Have you breathing hose connected and you have the full lug section closed and isolated for testing Cheers, Paul Last edited by pabusk : 10th July 2007 at 10:34.
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10th July 2007, 23:17	#16 (permalink)
simon varley New Member Current Rebreather/s: Inspiration Vision Other Rebreather/s: Join Date: Jul 2005 Location: geelong, VIC Posts: 34	Re: Checking for leaks on Vision Inspiration sorry Paul, I didn't read your post properly. You're saying you remove the inhale hose at the scrubber end right? I'll give it a go - must be getting too old to think outside the box for myself.
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11th July 2007, 00:02	#17 (permalink)
narked at 90 John Routley Current Rebreather/s: Inspiration Classic Other CCR Dolphin Home Build Other Rebreather/s: Other CCR Dolphin Home Build Join Date: Feb 2005 Location: middlands uk Posts: 1,077	Re: Checking for leaks on Vision Inspiration sorry for the add but the bungs we make may help you track down a leak by closing off differant parts of the loop. the hose bungs take out the oring equastion( but not the fittings to the hose that apd make) the lager bungs can test the fittings hoses fit to...... head, T's, side tube, dsv kind regards john routley Home __________________ *WWW.NARKEDAT90.CO.UK* *http://www.grpservices.com/pursuit/* Supporting Shearwater Research Products in Europe Narked at 90 Go Military
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11th July 2007, 00:06	#18 (permalink)
diverklondike RBW Member Current Rebreather/s: Inspiration Classic Other CCR Other Rebreather/s: Inspiration Classic Other CCR Join Date: Oct 2005 Location: Delaware, USA Posts: 1,714	Re: Checking for leaks on Vision Inspiration Quote: (Originally Posted by Dennis) Thanks. I went diving in Plymouth at the weekend and the unit behaved flawlessly. No leaks seen on bubble check. On opening the unit at the end of the day, there were a few teaspoons of water on the top of the scrubber, but none underneath. This leads me to suspect the solenoid fitting and I'm going to have a closer look at this during the week. Cheers, Dennis I would suspect that is normal condensation and not a leak... My 2 cents is to put it in a tub. I can't imagine that you would not find it that way. About a year ago I invested in a 140 gal tub that I soak the rig in after every weekend of ocean diving. Part of the routine is to do a positive test on the entire rig for about 15 minutes while I am soaking the salt off of it. Dive Safe Mark Last edited by diverklondike : 11th July 2007 at 00:10.
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12th July 2007, 10:08	#19 (permalink)
pabusk Custom Title Allowed! Current Rebreather/s: Inspiration Vision Other Rebreather/s: Not Bought Yet Inspiration Classic Join Date: Dec 2005 Location: Holland Posts: 133	Re: Checking for leaks on Vision Inspiration Quote: (Originally Posted by simon varley) sorry Paul, I didn't read your post properly. You're saying you remove the inhale hose at the scrubber end right? I'll give it a go - must be getting too old to think outside the box for myself. hehehehe ... I guess we all suffer from the mondaymorning syndrom once in a while
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12th July 2007, 14:54	#20 (permalink)
DaveT2 New Member Current Rebreather/s: Inspiration Vision Other Rebreather/s: Inspiration Classic Join Date: Oct 2005 Location: S Yorks Posts: 10	Re: Checking for leaks on Vision Inspiration [quote=diverklondike;125512]I would suspect that is normal condensation and not a leak... I was down in Plymouth for the last couple of weeks (supposedly doing all those lovely 70m+ wrecks), but apart from 1 day, it was just too bouncy/windy for us old folks Anyway, the one dive we did get in (Medoc) was not too bad, but by the time we got back to the surface it was definitely VERY bouncy. Stripping the kit down when we got back, I had the same thing - about 2 teaspoonfulls of water on top of the scrubber, where there is normally just a couple of spots. However, shaking out the excess condensation from the head like I normally do produced........naff all. Obviously the boat - and then my car over the speed bumps - had already done it for me. The unit then held -ve test for 3 days waiting to get back in the water - so I'm going to stick my neck out and say my unit was not leaking. So I'll go for condensation too. regards Dave
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