Empty the pump basket of debris. When was the last time that you cleaned the filter? If after cleaning the filter it still does not work then contact me on my Message Board for further details. kbattle39 k
Filter probably clogged with sand, leaves or dirt.
If you have a dedicated suction for the vacuum hose (illegal in Australia) then you close the skimmer to increase suction.
lift out the skimmer basket there should be a floating diverter with a flap that closes off suction. some skimmer baskets are rotated to do the same thing. insert your hose into the other skimmer. turn off suction to the main drain if you need more suction.
you have a leak in your pipes or skimmer has a crack
you may have to prime your pump Clean or replace the filter.
No, not so long as the filter is not set to back wash
The easiest, and cheapest way is to turn the suction valves off to everything but the suspected skimmer, if your pump bowl stays full of water, it is fine, if it automatically looses suction, then you have either a break or a blockage. Put a plumbers helper in the suction side of your pump pot and blow whatever blockage you have towards the skimmer. A snake will not work here because your skimmer actually has vacuum (negative) pressure unlike a sewer line,which is not a pressurized line. tritonunderwater.com
Attach the hose to the side skimmer basket with a special plastic adaptor that fits in your size skimmer. Types of skimmers: Brands: Purex, Anthony, American Products, Pentair, Hayward are major names. Hum, not inside the skimmer basket but under it. There you will find either a disc type object much like a flying saucer. Then under that there will be 2 holes. The one, if you are looking down into the skimmer from the deck side of the pool, to back side of the skimmer - 0 0 < that one - closest to you is the suction part of the skimmer. Your hose is pushed into this hole after filling the hose with water. The "adapter" is another type skimmer as stated above that you can rotate to the left or right to achieve optimum skimmer suction. With a single hole skimmer - that hole is the suction for the vac. You just have to plug the second skimmer if you have one. Still, there is another with a hole in the side wall of the skimmer near the bottom of the skimmer. This is also the vac hole. With it you plug yoyr vac into it and then close a valve that controls the main drain. You have to remember when you are finished vacing pool you then open the main drain valve. The latter one is a quite old system made by or used by Anthony Pools. k
Use a suction vacuum plugged into your skimmer to vacuum to waste.
You need to use forced air through the suction pipe from the pool pump, to the skimmer, this will blow out any debris trapped inside. you can use the air out port on a shop vac. hope this helps.
Regardless of the position of any tiles on the pool wall The water level should be about 3 or 4 inches / 75-100mm above the top of the skimmer vein before the skimmer basket or at such a level that it does not suck air through the skimmer. of you have a suction side floating pool skimmer you can let it get as high as you like and as long as it is sealed properly as low as you like.
That piece of plumbing may have some blockage in it or there may be a restriction of some sort on that line. There may also be a leak in that side of the plumbing. Is there any air coming back to the pool when in this position? If so that is the cause. Fix the suction leak and try again. The 3 way may not be positioning completely over that port. Or it could be that the three way valve does not have the 3rd port open. If the 3 way is prior to the pump, then one port goes to the bottom of the skimmer, the other goes to one of the main drain ports. When your skimmer has reduced "suction" (not pressure) it is then the 3 way may be drawing from both skimmer and main drain at the same time. You only have "pressure" after the pump and at the filter. Before the pump then it is considered suction. Or the 3 way may be plumbed or labeled wrong. Also, in another instance, with the valve in the skimmer position - it could be drawing from more than one skimmer. I suspect the latter answer.
Depends how the pool was plummed. If you have a dedicated main drain line, or you share a main drain line and a skimmer line. Both are suction lines to the pump,meaning they will go into the front of the pump. If you have several valves on the front of the pump, and hopefully they are labeled you could try to shut all of them except the main drain and use what is called a drain king. It hooks to a waterhose and swells inside the pipe forcing water in the opposite direction. If you dont have any valves on the front of the pump ,chances are you share suction with the skimmer. check the inside bottom of the skimmer. Main drain may be plummed to skimmer bottom.