How to Repair a Pool Filter
One of the worst things to happen to a pool during the summer is to have a pool filter go on the fritz. Even worse than having a pool filter go on the fritz is not knowing how to repair it. The crux of the matter when it comes to repairing a pool filter is locating the source of the problem and finding the right part to repair it. Often, repairing a pool filter is as simple as performing a little maintenance. Does this Spark an idea?
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Instructions
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Clean the filter. If the problem is the filter’s pressure gauge is rising extremely high and the return water flow to the pool has slowed to a trickle, than the filter is in need of a good cleaning. A backwash or a thorough cleaning should repair the pressure/water flow problem.
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Tighten all hoses. Leaking hoses is more than a nuisance. Since pool filters operate optimally in an airtight vacuum environment, leaking hoses may allow air to enter into the filtration system. The smallest amount of air can compromise the filter’s cleaning ability, therefore you have to check all connection points and make sure they are air tight.
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Check the impeller. If you’ve tightened all of the hoses and cleaned the filter and are still having pressure/water flow problems, you should check the impeller. The impeller is a fan-like object located right behind the pump’s basket. Turn off and unplug the pump from the electric source, turn all hose valves to the ‘off’ position (this prevents water from rushing through the pump basket), remove the lid from the pump basket and reach into the tube between the pump basket and the impeller. Pull out any debris that may be affecting the impeller’s operation.
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Replace the impeller. If cleaning the impeller did not solve the problem, and you notice the impeller appears to be damaged (i.e., it wobbles when you touch it or appears to be broken), it’s time to replace the impeller. To remove the impeller you have to remove the back of the pump’s motor to reach in with a pliers to secure the nut that’s holding the back of the impeller. From the front, take a screwdriver and loosen the screw until the impeller comes off. Replace it with a new impeller.
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Inspect and replace the filter fingers or cartridge if necessary. If your filter is sending dirt, sand or diatomaceous earth (for DE filters) back into the pool, you must inspect your filtration system. Some pool filters have filtration fingers, such as some Hayward models, while others have cartridges. If the filtration system is damaged (torn fabric on fingers or frayed fabric on cartridge), it’s time to replace the cartridge.
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Tips & Warnings
If the motor sounds loud, it may need servicing. However, before you send it to service, make sure the loud noise isn’t a result of vibration. Make sure the pump is sitting square on the ground without room for it to vibrate. Sometimes placing a brick or other heavy object on the base will cure a vibration noise.
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Resources
- Photo Credit colorful pool toy float in a blue water pool image by Jorge Moro from Fotolia.com
