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Replacing Your Pool Pump Gasket [12 Steps]

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The task of gaskets and seals is to keep the kit pad arid and the water motile. A bad set of the gasket may result in a pump filled by air rather than water or worse- make your equipment place flooded.

So, it’s important to learn how to replace your pool pump gasket. And in this article, we’ll learn about pool pump gasket replacement. Read on if you’re interested.

Replacing Pool Pump Gasket

Gasket Parts

The four main parts of the gasket and seals on a pool pump are:

1. Lid gasket: Situated above or below the strainer lid.

2. Diffuser gasket: Placed on the cone tip of the diffuser.

3. Housing Gasket: This one is the largest among the gaskets. It is also known as a sealed plate gasket because it’s built in the seam among the main housing on the motor seal plate.

4. Shaft seal: A double-sided seal that sits below the impeller on the shaft of the motor. Water surging into the motor may result in fatal damage. The shaft seal prevents this occurrence.

When Do You Need to Replace the Pump Gasket?

The replacement of your pool pump gasket is required in a few cases. You may need to replace the pool pump gasket if you notice a leak spraying out of the seal into the pool pump housing and the motor assembly.

Losing suction of the pump, turning off on its own, creating noise out of character, tripping your power breaker are also some signs that the machine needs to be replaced.

Step by Step to Replacing Your Pool Pump Gasket

The replacement process is a lot of work and sometimes tiring too. Here we will break down the process so that you get a clear idea about what needs to be done. So, let’s start!

Step 1: Tightening the Bolts

This may fix your whole problem if you are lucky enough. Usually, a pool pump is held together with six bolts. Unless you have made it sure that the bolts are secured, don’t pull the pump apart. Sometimes the leakage occurs when one or more of these are loose.

Step 2: Buying the Right Set of Gaskets

If drawing tight, the bolts couldn’t fix the leakage of your pump, then buy gaskets for your pool pump. You can buy the gaskets separately or order a GO-KIT, which is a package of gaskets consisting of four gaskets and seals required for the pump. As the gaskets are unique, order the set of those which match your pump’s model.

Step 3: Noticing the Read

Before pulling the pump apart, switch off the power pump for stopping suction. Then redeem the built-up pressure in the pool pump and water line by turning the air relief valve on top of the filter counter-clockwise.

Typically, the read on the pressure gauge is between 15-20 psi. Note it for future reference while restarting the pump. In the beginning, water will get sprayed.

Step 4: Pulling Out the Diffuser

Remove the six bolts which bind the motor pump assembly to the housing. It will make it easy for you to extract it from the housing. While pulling out, ensure that the diffuser comes out along with the motor assembly.

Step 5: Removing Debris

Snapping off the pump diffuser from the motor assembly is very easy. Turn it over and check out if it is free from debris. You can use a tiny screwdriver or stiff wire to remove debris out of the slot. The impeller should not be loaded with junk.  

Step 6: Replacing and Lubricating

Replace the old gasket with a new one. Ensure it is seated at the stop. Apply a small lubrication coat. Make sure you are using a good one. Because lubricators like “Vaseline” may deteriorate the gasket.

Step 7: Attaching with Alignment

Attach the pump diffuser, ensuring that the part of it which is labeled as “TOP” is aligned with the “TOP” marked on the seal plate.

Step 8: Locating a New Housing Gasket

Draw the housing gasket out of its groove. To clean it out effectively, you can use a small screwdriver with a layer of cloth. Insert the new housing gasket in the groove. In general, they are tight. So, you might need a helping hand while inserting it. Again, apply a thin lubrication coat.

Cleanse the surface of the seal plate that will come in contact with the pool pump housing gasket.

Step 9: Tightening the Bolts

Locate the motor assembly back into the pump housing. Put in and infix the six bolts that bind it with the pump housing. Make sure that it seats entirely within the house. To ensure that the bolts are firmly binding, loosely tight the bowl in a sequence of 1, 3, 5, 2, 4, 6. Go back and tighten them again in the same sequence.

For proper operation of the pool pump, this is very necessary that all the bolts are tightened firmly.

Step 10: Filling Up the Strainer

Open the strainer, clean the debris out of it while it is open. Fill it up with water. Close the lid securely.

Step 11: Restarting the System

To restart the pressuring system, turn on the power. You’ll see the air relief valve remaining open still. Through it, the air will be unleashed. Turn it clockwise to close it when the water gets out of the valve.

Step 12: Final Step

Now, check the pressure gauge if it gives your operational value or not. Usually, this value varies from system to system. If the value matches and the water is flowing through the strainer, then Congratulations! You did it!

Conclusion

That’s the end of our article on pool pump gasket replacement. Hope you liked it. If you did like it, share it with your friends and family.

Related Article: 

  1. How to Replace a Pool Pump Motor?
  2. How to Replace a Pool Pump Impeller?
  3. Best Way to Replace a Pool Pump Bearing
  4. How to Install a Pool Pump?

About the Author James Williams

Hi, This is James, editors of HomerDIY. I have a great experience for writing about everything related to home improvement and DIY project. From the last few years I am researching different type of tools and sharing my opinion to this blog.

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