Above ground pool is suddenly sinking down-losing air pressure
This year, our pool went down on it's own and drained the water in our backyard. After re-inflating and refilling the pool with water, the pool is losing its stability by possible air leakage. At this time we are not able to find where the leakage could be. We soaped sprayed all of the seams around the pool but didn't find any visual leakage(but we didnt soap the inside of the pool, above the water level.) Is anybody experienced anything like this. Please advise A.S.A.P.
Very much appreciated (especially now in the summer that our kids are not able to use the pool again).
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Air is getting into your plumbing system, before the pump... On the suction side. Our at the shaft seal.
Check all threaded fittings in front of the pump reseal as required. If above ground pump is easy to check all the way to pool. Which will include skimmer and main drain. If in ground, very difficult to check skimmer and M/D.
Best way & the most recommended is to use an auxiliary Submersible pump. If you don't have one, a rental yard, or even Home Depot / Lowes or a DIY Center in your area has one.
NOTE **** - Very Important - Do NOT drain all the way to the deep end. Drain in 3 parts. Place pump into shallow area about 1 foot lower than the shallow floor. Then drill a hole all the way to the earth below. Then move pump half way down and restart draining process. When water is exposed half way down, drill another hole. Then move the pump to the bottom of the pool shell. When empty, drill a 3rd hole. WHY, you may ask?
Take a look at this:
Because of Hydrostatic water pressure in the ground (Possible High water table) at the pressure will pop your pool right out of the ground.
above ground pools have to be erected on perfectly level ground. If you have one side 3 inches lower than the other then all the weight of the water is against that lower side and eventually the water will overcome the air pressure in the ring and it will collapse and let the water out especially if the ring has a small air leak and looses pressure. You are lucky that you do not have a pool with 4ft sides as the loosing water effect is remarkable and will wash away any thing in it's way. Use the water in the pool as a level and adjust the base ground so that the pool sits level all the way around.
Copy following link to identify Hayward product and download product manual with troubleshoot section: http://www.hayward-pool.com/prd/In-Ground-Pool-Manuals_10201_10551_14502_-1___I.htm Select 'Pumps: above ground' or scroll down to same Typical troubleshoot section: Low flow "Check for clogged strainer or suction line, plugged discharge line, air leak in pipes or tubing, bad impeller" Noisy pump "Check for air leak, foreign matter in pump housing, worn out bearings etc" Air in line due to loose pipe or tube, clogged intake and outfow, and bad pump is common to both symptoms.
Is this an above ground pool or an in ground pool? As a general rule you don't want vinyl to go too long without water. Water helps things stay in place. If the vinyl starts to shrink and bow inward there is a good chance that it will lose its elasticity and split when the pool is being refilled. I would advise you to go ahead and refill the pool. Leaks can be repaired underwater. In the event of a split I'd go back to the installer and pursue a new liner at his expense.
Are you saying there is 'no suction' or there is 'little suction'? If your pump is running and water is going back to the pool, that water is coming from somewhere ... probably being pulled from the pool. Is this a new pool? If not, did it operate properly last year? Are you getting air into your system?
You don't say much about your pool ... is the suction line attrached to a skimmer? Two skimmers? Two skimmers and a bottom drain? Attached to the bottom drain? I don't understand why you are reporting no suction since there is a discharge ... Is this pool in the ground or above ground? Do you have one circulator pump or do you have multiple pumps? If you have two skimmers and are trying to vacuum, close the shutter on the other skimmer or put a plug into it. Make sure the plug is the proper size, you don't want to get the plug pulled into the system!
Perhaps there is not enough suction for you to vacuum? If your suction is attached to several points in your pool, can you cut back on the other ports? For example, if you are drawing from the bottom and a skimmer, can you shut the bottom drain off?
Have you checked your impeller for hair clogging? What about your filter, if sand, have you back washed? What is your discharge pressure? If DE, how is the DE doing? Might it be due for a change? If a cartridge filter, is your cartridge clean? Of course dirty filters will cause high pressure and poor flow of water. If your impeller is clogged with hair, that will impede the flow of water.
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This blog has information about sinking an above ground pool. It is normally recommended that you do not sink the pool entirely into the ground becuase of pressure concerns and the risk of collapse. Generally, you leave 1-3 feet of the pool above the ground and install a deck or similar feature to make the pool appear to be in the ground. The type of pool liner that you have (expandable) is best for this practice, but it can be done with overlap or regular beaded liners also.
the hose must be filled with water. Hold the hose up to where the water shoots into the pool and force all the air out of the hose line. The dolphin should sink.. Then connect the hose to the suction side
you are clogging your impeller take a wet vac put hose your using for pump in pool put vac on end of hose to woods and turn on vac long enough to get a water flow and shut of vac it is slower but will save pump