Concretedad - First check to make sure you bought the right replacement shaft seal. Thus, with a plugged pump, bhp may increase or decrease depending on the relative impact of impeller plugging versus an increase in mechanical losses. The impeller was on very tightly and in the process of trying to get it off, a part of the outer edge snapped off. Pool Type: In . If you find small pebbles stuck in the vane, you can use your tool to push them back through the opening, so theyll fall out. Pumps where the impellers are plugged and the data just before failure shows higher than expected bhp, and the shaft is very hard to turn. Nelik has 30 years of experience in pumps and pumping equipment. To learn more about pool pump repair trouble signs, click here to read the complete blog. Pumps where the impellers are plugged and the data just before failure shows lower than expected bhp? If you used chemicals to clear your water, these chemicals may be clogging your filter. This means you must be aware of anything like pine needles, seeds, sand, grass clippings, and pool plaster particles. are small in comparison to most pumps. When a pump experiences internal wear, its performance drops. Put everything together and reach in and try to turn the impeller by hand. ds1 - If you have a leak between the impeller and motor, you probably have a bad motor shaft seal. Lev Nelik (aka Dr. The combination of our two world-class engineering and manufacturing groups, with over 200 years of combined expertise, is a win for our . The torque will be more than adequate to overcome the seal drag at the lowest speed setting, with acceptable operating voltage. The general rule is to have your impeller changed every year - the best time being during your Summerization service appointment. How could I do this correctly? Posted: 4/6/2015, Anonymous
If you do not see the diffuser or its gasket, check inside the housing. It is possible to place this seal upside down. After the assembly is out, you should see the diffuser and diffuser gasket on the end of the assembly. Make sure you are running the correct size pump for your pool size and requirements. Then from the impeller side, rotate the impeller COUNTER-CLOCKWISE to screw it off the shaft. It is important to replace a worn-out impeller to restore the proper function of the pool pump. Replaced my shaft seal but now when I start the pump it tightens up so much on the impeller it locks up. Essentially the bhp curve for the pump is unchanged. Posted: 2/20/2017, InyoPools Product Specialist Dennis R.
In this article, Ill cover some of the common causes of a dirty pump impeller, how often you should clean it, the steps you should take to clean the pool pump impeller, and how to prevent clogs in the future. Replace if required. A pump impeller sits behind the pump basket in the part of the pool pump called the Volute (aka Impeller Housing). Additionally, you can try to manually rotate the shaft to see if it is loose, as a loose connection can signify bad bearings. After reinstalling hoses and pipes, there is a leak between the motor and impeller. Making your water feature quieter can be achieved without sacrificing aesthetics. For instructions on replacing this seal click. Once everything is in place and the motor is running properly, you can reattach the pump to the pool. The torque will vary, depending upon the speed selected. Oil-filled motor bearings can be installed to slightly reduce sound, however the pumps may become louder again after the motor becomes older due to oil drain and other reasons. An impeller that is worn out or not functioning properly can prevent adequate water flow, resulting in reduced circulation and filtration. Unscrew the single screw that hold the capacitor in place and push it out of the way. Doch der Post scheint weniger ein Aprilscherz zu sein, als eine neue Marketing-Strategie. I would pull out the motor and check it. These are prone to clogging especially if you notice a lot of debris. These items can enter the impeller and restrict its movement, affecting the pools water flow. Keep track of the washers. Do pump impellers wear out? Any suggestions? He also holds multiple patents for pool performance products he has engineered over the years. Make sure you clean the filter media according to the manufacturers instructions. Firstly, make sure the pump is sitting on a flat, level surface and the pump lid is screwed on correctly and tightly. In addition to reduced efficiency, you are effectively reducing the impeller's size. Minimum of 10 miles, maximum of 100. Lighting. Another option is to replace the existing pump with a quieter unit, such as a variable speed pump. I have watched your excellent video but cannot get the seal on the impeller. Posted: 12/21/2014, Pickles
Try prying the motor out gently. Do thoroughly read all installation material provided with the pump. Finally, turn the pool pump back on and test the autofill to ensure it's working properly. TIP: Each horsepower motor is matched to a slightly different sized impeller, with a different part number. If you have time to make a comment or two, that would be very appreciated. Keeping an eye on it will help you catch any minor issues or clogs before any significant damage happens to your pools equipment. Your email address will not be published. You will see the motor wiring and capacitor. Additionally, non-functioning impellers can cause excessive noise, vibration, and can damage other components inside the pump. Also if the threads are worn causing the impeller to wobble on the shaft, replace it. Loss of prime means that theres not enough water flowing through the pump. Changes in pressure inside the pump turn the liquid into vapor and, as the pump's impellers spin, back to liquid again. With a variable speed drive, the user can set the speed of the pool pump, and with a bypass valve, the user can lower the pressure coming into the pump, causing the pump to run slower. Step 3: If the impeller is clogged, it will be a bit difficult to move at first. Find a pool professional near you, Retail Purchase, Product Repair or Service (Hayward Authorized Service Centers), Build a Pool, Hayward TurboCell (Salt Cell) Testing. I need to call an electrician---. However,. The Do's and Don'ts of Submersible Pump Applications 1. All of these can cause excessive noise, and should be taken care of as soon as possible. Hello there! With the wrench securing the back end of the motor shaft, screw the impeller back onto the shaft (clockwise). Running the pump dry, failure to perform regular filter cleaning or necessary repairs, and improper water balance can all lead to premature motor failure. In extreme cases, when the impeller is completely worn, there will be no flow and hardly any power. He may be reached at drpump@pumpingmachinery.com. Diffuser Gasket - Found on the cone . A 100-horsepower (hp) pump may have 3 to 5 hp in such mechanical losses. You should also check if the washer, nuts, and bolts of the impeller are loose or worn out. What causes it? This type of wear and tear occurs if the pump has been switched on and off regularly. Placing plants and rocks around and as close as possible to the water feature will help to muffle the sound of the water flowing. There are also other diagnostic tests you can perform to check for water pump issues, such as a pressure test or a power balance test. danny - Look at Step 15 of this guide. Stop it before it happens. A pump with rubber or silicone mounts is likely to be quieter than one that sits directly on the surface of the water. Report C Crystal Active member If you notice any loud squealing or rattling noises, it could be an indication of bearing noise coming from the water pump. Finally, check that the motor works and the bearings run smoothly. Motors and impellers have two total horsepower scales, uprate and full rate. The first step in preparing to remove your pump's impeller is to turn off all power to the motor. Do pool pump impellers wear out? To remove the impeller you will twist the impeller off in a counter clockwise motion. Keep working the impeller back and forth until its easier to move. If you notice your pool pump's output not being as strong as usual, it could be a sign that the impeller needs replacing. Dehydrated pump. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); Your email address will not be published. Purchased new lid and and gasket and replaced them. What is the necklace Camilla always wears. Over time, this device can become worn and loose, which can cause noise. In addition, pool pumps receiving heavy use in frequently used spas and swimming pools may have a shorter lifespan due to the increased wear and tear that comes with more frequent use. Enter a postal code to find the nearest Hayward authorized pool professional. Additionally, check to make sure the pump has been installed correctly. Posted: 5/25/2015, Iyopools
Test the pressure gauge to make sure the pressure is within the expected ranges. Jerry - If the nick is substantial, I would replace the impeller so it is sound and balanced. Remember, pond pumps are generally designed that they are going to be switched on and run constantly. Pool pump impellers can definitely wear out over time. Your observations are correct. In extreme cases, when the impeller is completely worn, there will be no flowand hardly any power. Some pumps provide a slot on the end of the shaft to secure with a screwdriver. Check the top of the basket cavity to make sure it has not cracked from over tightening. The first step in preparing to remove your pump's impeller is to turn off all power to the motor. If you follow these steps and keep your filter clean and functioning properly, youll know your pool filter is functioning properly. Talk to a local hardware store about your options or you may be at the point of buying a whole new pump. Impeller wear is really not an issue, unless you're not filtering out the debris. Then put the lid back on. Due to the higher drag, the smaller motor will have trouble spinning the larger impeller. wayneb56 - I wouldn't think you could prevent a motor from spinning by holding the impeller. The location of the pool pump impeller is shown in this cut-away of a pump. Posted: 2/26/2017, wayneb56
Recheck the cover lid and O-ring to make sure it is set correctly. It is cold outside. My pump ran dry due to my pool running low on water and now it has very low pressure, will replacing the impeller be the fix I need to regain the pressure I need to filter the water? Step 3 Next you will have to relieve the pressure that builds up in the pump during operation. Finally, if your pool pump is older, it may be a good idea to replace the bearings as a preventative measure to extend its life. Additionally, if you find that your pool pump is vibrating on the floor, you can place a rubber mat or foam padding underneath to absorb some of the noise. If you have low filter pressure, cant hear the motor pump, or hear strange noises coming from your pump, you most likely have a clogged pool pump impeller. Your comparison to a completely worn pump was particularly useful. Let me know. In your September 2016 article What Happens to Power and Efficiency when a Pump Wears Out, which I really enjoyed, you mention that the data on power can tell the difference between the types of internal wearfor example, if the wear ring clearances have worn out or if the impeller itself is deteriorating (as might be the case with highly abrasive pumpage or corrosive chemicals). I have thought about this and believe that wear that affects the impeller only (and not wear ring clearances or other leak paths) would result in: with the decreased pump power being the difference in comparison to the results shown in your paper. I ended up with 3 metal gaskets that I don't know where they belong and cannot find them on the schematic and still have no prime. The impeller is a critical part of the pump, as it helps to pull water from the pool and forces it through the filtration system. You may have 115V at the breaker box and your pump may be set up for 230V. Posted: 8/2/2014, InyoPools Product Specialist Dennis R.
Make a note of how the seal is positioned on the impeller so you know how to place the new seal. In most cases, for example, a rag is sucked into the impeller inlet, the power would decrease for the reasons I explained earlieras the flow drops a lot, so does the pressure. This process can help companies achieve targets with reduced emissions and water conservation. Take off the clamp band on the seal plate to separate the volute. dlc - If your motor is not making excessive noise, it and the impeller are probably not the problem. Posted: 4/22/2022, Claudia L. Duncan
To clean your pump basket, you first turn off the pumps power. Posted: 4/21/2022, InyoPools Product Specialist Matt S.
It can corrode the surface. Try hitting around the joint with a rubber hammer. Clearly, it is not an efficient operation as much of the pressure goes to friction losses instead of the good pressure generation. Step by Step Top Step 1 Before you tackle the impeller, check to see that your filter and pump skimmer basket are clean. To read more Pumping Prescriptions columns. I am trying to remove the motor on my Hayward Super pump. TY. When you hold the other end of the shaft, it should not be able to move. Most impellers produced today are closed vane impellers, meaning there is a cover on the front of the impeller to create suction to draw water in and out of the pump. Most people replace the motor when the bearings go but they can also be replaced with the right tooling. kfcrandy - The impeller is not your problem unless it is clogged. But I wouldn't rule out mismatched impeller and motor. SHAFT SEAL Hayward Power-Flo Pump Diagram - Dominator Parts Push the half of the seal that you just removed onto the new impeller. As they don't have any support either side they tend to be weaker, and therefore are typically used in smaller, inexpensive pumps that aren't operated under significant strain. Note: Some Hayward pumps have six bolts. A good rule of thumb is to run the pump for at least 6 to 8 hours a day, approximately one-half hour before dusk, in order to filter out debris, bacteria, and particles that have accumulated throughout the day. The noise should be noticeable but not overly loud. Several people have written in saying that the new seal won't fit because they were trying to place the new collar on top of the old one. Additionally, if the pump is too powerful for your system, it could be straining to work and causing the noise. Experiencing low pump pressure. Move to the other end of the motor shaft in the back of the motor assembly. Posted: 4/28/2016, InyoPools Product Specialist Dennis R.
Note: Securing the motor shaft on other non-Hayward type pumps varies. Finally make sure that your skimmer and strainer baskets are clean. These impellers may also have rear wear rings that control axial thrust. The seal looks different than the one I took off. Use a hose to fill it with water to prime the pump. See our guide on cleaning out an impeller Also if you have low pressure, you may have developed a suction leak in your pump or in the piping coming into your pump. Both of these noises can easily be heard without having to strain. I ordered and received a Hayward 1 1/2 hp motor and shaft seal for a Hayward pump Model number SP 2810X15. Report. He has built pools and natural landscapes for hundreds of homes and businesses across the country. The pump doesn't seam to have the suction power when the vacuum is connected. Apply a thin coat of lithium- or high-temperature grease to the bearing surfaces and the shaft before reassembling them. It should snap off easily and expose the impeller. Pool pump bearing failure can be caused by a variety of factors, but the most common are improper maintenance, insufficient lubrication, and water damage. If you suspect that your impeller might be worn out, contact our service department ASAP to have it checked and replaced: 928-645-4018. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-leader-3','ezslot_19',164,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-leader-3-0');If your pool pump is making too loud of a noise, there are a few steps you can take to help reduce the volume. My keyed shaft CK1102 motor just died and I am replacing it, but a tech at a local pool store tells me that the pump & impeller are still in great shape and do not need replacing. Do pool pump impellers wear out? Parallel circuit: Flow through the impeller is greater than the actual pump discharge/suction flow by the amount of leakage. I have all new seals ready to go and I've removed the impeller and pump from the dead motor, now I want to ensure I separate these two parts without damaging either. Darren Worth, Senior Research Engineer C-FER Technologies Inc. important to perform regular pool maintenance.