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Trouble Shoot Common Regulator Problems - Scuba Tech Tips: S12E11
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- čas přidán 16. 06. 2021
- Every diver experiences a regulator problem but what is the fix? Alec explains the likely solution too many common regulator problems based on years of service experience.
Watch my "Alec Peirce at the Ranch" for ranch and home ideas. / @alecpeirceattheranch
**** Alec Peirce Scuba ****
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will be rewatching this video a lot
Best to watch with a refreshing cool beverage or two. It gets so much better after 3!
NO JOKE, Just had my reg serviced, got back, 1st stage whistling, and 2nd stage FULL LEVER FAILURE on 1st pool test. i sent it right back, going to the pool in 3 hours to test it again. I Keep going to pool sessions to keep skills sharp. GREAT VIDEO! Cheers!
I hope the pool is at the store as they would catch it if tested before handing it back to you to test and return. Take care and thanks for watching.
@@AlecPeirceScuba_SeaHunter yes it is, same shop owner. UTD Shop, i learned to dive DIR, peak buoyancy, back kick! Thank you Alec!
All good stuff. I've seen all of these with rental gear! I had a first stage leak once with just a trickle of bubbles coming from where the DIN fitting went into the central body. Took it in for a check and it was the actual brass centre body of the regulator that had a tiny crack. This was an Apeks DST, so a high-quality regulator, but they apparently had a problem with a small number in around 2013/14 which were prone to fatigue cracking. Five years later and they supplied a new body for free, which I call good service!
That is a good ending except for the initial problem. They should have contacted you through the store that sold it so you would not have to experience any problems. Glad it's sorted and safe again.
Nice to see the way Alec presents genuine clinical reasoning like a Doctor!
Absolutely! I didn't spend decades of servicing single and double hose regs and lot learn what most problem are caused by. Also, did you like my old rotary dial phone impression! Kevin was laughing, kids today...
Ah, practical as always, sir.
Thanks Bill.
It reinforce my belief that a certified diver should know the basics of the equipment he / she use, to me , it is a basic safety knowledge.
a very good video.
Great point, thanks Jacques.
I added this to my favorites! This is great! I actually just took notes on this.
Thank you very much SB. Glad you like it.
When I first bought my Sherwood reg, I freaked out seeing bubbles come from a little black rubber port plug. My LDS reassured me that all was well. Great video Alec and Kevin!
You're welcome Nick. If you read the manual it should mention the champagne bubbles are ok. Take care.
Latter Day Saint?!
Just kiddin'! 🦈
Another idea for a free-flowing 2nd stage. Sometimes, the mechanism gets stuck partway open. I noticed this happening on a rental safe-second stage in late winter in Bermuda. Probably the reg had been sitting for awhile and hadn't been carefully rinsed. I remembered something my 1968 instructors had told us and just blew hard into the regulator. The diaphragm came unstuck and sealed properly. Problem solved!
In another case, I noticed that a (recently serviced) rectangular- shaped safe second would allow me to inhale even after the tank was shut off and bled down. When I opened it, I found that the diaphragm was not seated properly on the regulator body (this doesn't happen easily with a round diaphragm). If I had tried to use it underwater, I would have inhaled seawater with my air. Repositioning the diaphragm solved the problem.
Thanks once again for these entertaining and informative videos!
That happens a lot to regs not properly rinsed and left to dry. I did a video on this S08E19 Can't Exhale Out My Regulator to cover this same condition. Glad your memory is good. Thanks for watching Alan.
Huge fan from India.
Am a technician as well. Your videos are really informative.
Thank you for watching.
A
Great video Alec. Love the Conshelf regulator you showed. I'm thinking of trying to source one and restore it. Love the look of a chrome second stage!
I do love chrome on a reg as it also shows if the owner takes care of it by cleaning it regularly.
I had that model in the mid 80s, Coneshelf 14, good regulator but the seat use to go a lot, had to change it quite a few times but i had great times with it.
I keep it as my demo reg as lots of older, sorry, mature divers recognize it and loved them. Newer divers wonder what's with all the chrome?
I recognize the Coneshelf 14 anywhere Alec, i used it in the best days of my life, is very special to me. The sea was in much better shape in those days, now is just a very sick patient ready for intensive care and that is an understatement, is worst than that.
Some good pointers on common regulator leaks and how to diagnose them...but for the water in the mouth while diving, it can also be a loose zip-tie on the mouthpiece. I recently removed a mouthpiece to clean it and the mouthpiece intake port and on my next dive, I was getting a bit of seawater in my mouth with every breath. Apparently, when I put the mouthpiece back on, I didn't tighten the zip-tie sufficiently. I replaced it with another, very tightly, and on the next dive all was fine.
Very true, I did a video on how to replace and tighten mouth pieces without getting your mouth cut in one of the earlier series. Just search and you will find it. Thanks for watching.
Thanks for sharing your years of experience. I love your videos... so informative.
Thanks for watching!
Hi Alec. after years of doing maintenance on many things I have realized that you seldom get the whole story (no it didn't fall off the forklift, that dint was always there) Always good to ask questions in two different ways to confirm the diagnosis. I seem to remember that one brand of first stage had a constant stream of tiny bubbles ,something to do with equalizing I think?
Always learn something from you (the plugged filter at depth) thanks! stay safe Owen m
Thank you Owen and hope you can be diving soon to share the massive knowledge gained here, ha ha.
Ok so gotten a few different answers to this. My Atomic z2 will inexplicably become hard to breath then eventually pretty much unable, usually notice just as i get in the water. Have had it serviced and everything replaced in it. But it will still do this very rarely, and what is really weird is i close the tank then open it back up and its fine again. Been told it was something with the tank (how?) but ive never had this issue with my cheaper scubapro.
I doubt it is the tank. Do you always use the same tank? Does it happen within the same period of time, same depth, same tank pressure? What happens when you turn off the tank? Is there still pressure in the lines? It sounds like what happens if your tank is turned off. In the off chance (pun intended) it is your tank, have you serviced your valve?
Sounds strange but a few elimination actions like Matt says will help: 1) same issue with a different tank?, 2) Do you get lots of air when the purge is pressed? Yes / No / or it increases when pressed. 3) Has the exhaust valve (ie mushroom valve) on the 2nd stage been checked/replaced? Hard exhale may be a sticking exhaust valve 4) When you say serviced, the 2nd AND 1st stage were fully done? Have the IP pressure checked (see my previous video) to see if the 1st stage is delivering air fast and at the right pressure.
I can't solve it remotely but I hope this gives you ideas to get started.
Just had a dive this weekend with some new equipment and was trying to work out some buoyancy issues with a new wing so I spent some time in the sand and my octo got a bit of sand in it so at the end of the dive when I was cleaning my equipment I found the sand was gumming up the hinge of the mechanism that opens the valve so it got stuck and was free flowing quite a bit. I ended up taking the front cover off and rinsing it out quite diligently until it was working properly again. it was a good thing I didn't need it during the dive.
You experienced one of the common problem of dirt/sand messing up a reg (primary or safe second). Glad to hear you know how to get it working normally again. Never underestimate a good soaking or cleaning the exhaust mushroom valve which sticks closed if not rinsed. Safe diving Kevin.
Here is something funny for you Alec, I opened your video and the theme music started and my wife said, are you watching that SCUBA guy again? 🤣🤣. 3 dives so far to begin 2021!
Ha Ha oh thank your wife for her sharp ears and patience. Keep on diving and watching Paul but turn the volume down.
My girlfriend says the same thing!! “You’re watching Alec pierce again aren’t you?” 😂
@@uncutscuba Mine like it because he is funny.
Thanks again for some great tips Alex
Glad you like them!
Mr. Peirce,
You really should write a book on basic howto for maintaining your scuba equipment. You can just dictate it to Kevin and he can type it out and send it to ya for proofreading and then you can send it into the publishers
Thanks
Maybe before I retired but I'm loving being with my wife at the ranch and just enjoying every day. Thanks for the idea but I don't think Kevin can read, kids these days don't know a lot.
@@AlecPeirceScuba_SeaHunter "kids" these days would much rather watch video than read a book.
Thanks Alec.
It will be saved for future reference.
One question, I forgot to depressurize the second stage and got my mares 72 x DIN removed from the tank.
Heard a blow, and the o ring in the regulator was out, .. I lost the o ring.
Tried googling the size , but no official information, do you which size and material I should buy?
Is a must that o ring is only installed by a technician?
If the o-ring was lost from the DIN connector to the tank, you can replace them yourself just like the o-rings from yoke tanks. Your manufacturer should have them available online and lots of CZcams videos showing how to DIY. Good luck Jaber.
@@AlecPeirceScuba_SeaHunter it was actually lost from the regulator it self, X72 mares has an o ring
@@jabertagi3857 just google DIN scuba O rings, buy a packet of 10 or so and keep them in your save-a-dive kit. It's easy to fit a new one into the groove, and this won't be the only time it happens.
"There's no substitute for experience.". - LDSs 🦈
Or the KISS principle.
A.
You’re the man.
Thanks Luke.
I tried to buy a diaphragm for my Conshelf XII at a dive shop years ago. The codger who ran the shop had a conniption fit over my wanting to service my own regulator. I told him that I worked in ScubaPro engineering. He blew a gasket and ran me out of the shop. Two months later, he dropped dead and his son tried taking over the shop. Covid has finally wiped out the dynasty. No more shop.
Interesting story but a sad ending. I had customers come in saying they want to buy service kits but I can't sell them as you must be a certified product repair tech. He said he can get parts online and left. Latter he was back, same reg, for me to repair as the online parts were 'mostly' correct not 100% correct. He paid almost 2x what it cost him for me to service and test it plus I let him try it in our in-store pool to confirm he was happy. He gave up the DIY ideas after that.
@@AlecPeirceScuba_SeaHunter As with any kind of repair. I am set in my ways. I like to tie my own rope and pack my own parachute. Happy diving.
My octopus freeflows when I step off the boat into the water. I have to scramble to press the octo's depresser valve a couple of times, and then it stops. Am I doing something wrong? Thanks for the great videos
Does the octo have its mouthpiece facing up or down when entering the water? If it is up, then the pressure difference on the diaphragm induces a slight free flow that is stopped by turning the mouthpiece down. Try setting it up pointing down when entering or hold the mouthpiece down when jumping in. Watch video S03E09 It's Not A Free Flow to see this demo'd. It will explain a lot.
My new secondary regulator made a loud buzzing noise. Loud enough to hurt my ears when I tried to dive with it. Dive shop thought it might be caused by not enough lube in the primary so they took it apart and serviced it. They could not get it to stop making noise. The manufacturer said it might be the exhaust valve and has sent a replacement second stage, (to be installed tomorrow).
The noise is coming from the second stage but sounds to me more like the inlet valve is fluttering. The dive shop swapped out the secondary with one of their rental units and the noise stopped. I am curious how the exhaust valve could make so much noise and vibration during an inhale, or what the problem really is. Sherwood Oasis pro. moving the venturi lever and breathing control makes no difference.
It's an odd story. Sometimes a regulator will buzz or honk on inhalation before it gets wet but that immediately stops when you jump into the water. It's just the dry rubber parts (exhaust/diaphragm/ LP seat) that stick to the metal or plastic parts. Once wet it's fine.
What you describe is different - too loud. If it was the exhaust it would only make noise on exhalation.
I can picture in my mind what's happening inside a 2nd stage, particularly an Oasis since I know them so well. There are limited ways to make a buzz. It sounds like 2 hard parts banging or vibrating together. It could be the lever bouncing on the metal disc in the diaphragm. The inlet valve is metal on the body side but rubber on the valve side so they shouldn't make a noise.
The Venturi or Breathing control won't affect that. They simple re-direct the air flow or change the spring pressure.
It may be one of those rare cases that can't be easily explained. I hate when that happens. I always want to know why. But, sometimes there's no answer.
If a new 2nd has solved the mystery, just go with it.
Good luck.
Alec
Great advice as always Alec. Thank you!, I have a question about a recently serviced diaphragm regulator. It seems to be working properly, but I noticed that if you push the purge button in the surface, the needle in the SPG moves down, and then back to its previous position. Someone told me that it should not do that, because the HP and LP chambers inside are not connected. Is it true?, should I be worried about this?.
Relax. It's quite normal for the SPG to drop when you purge or even just breathe on the reg. Of course the HP & LP chambers are not connected or they'd not be HP & LP! But, when you breathe you empty the hose and the LP chamber in the 1st stage. The HP chamber empties into the LP chamber when it senses the pressure drop in the LP chamber so the pressure in the HP chamber also drops but, just for a moment until the HP seat opens and refills the HP chamber from the tank. In that short time the SPG senses a pressure drop and the needle begins to fall. At one time this was not so obvious but now, with very restrictive orifices on the HP hose to the SPG, it takes time for the gauge to rise back up to normal. This whole process takes just a second or two. If your SPG drops and stays down, time to surface!!! Have fun. Alec
@@AlecPeirceScuba_SeaHunter Thank you Alec!
Alec... Alec.. My Xstream leaks every time I turn the pressure on and it stops moments later and performs perfectly afterwards .... :)
It is likely the 2nd stage seat is taking 1-2 seconds to properly seal when air is turned on. It can be a quick fix at your LDS and then re-set the breathing effort. Thanks for watching.
Great video, can you tell me what the manufacture name/model on the label on the front of the mag, IP gauge black enclosure? Thanks
It's a magnalelic and first stage pressure gauges in a case made my Lunar. I can't tell from the video any more but email dive@scuba2000.com and as the Service Manager, Guy, for a close up picture or more details.
@@AlecPeirceScuba_SeaHunter thank you
Good!!
Thank you! Cheers!
Thanks a lotttt :)))
Welcome 😊