| Step 1 |
Before you pull the pump apart, check to make sure the pump bolts are secure. The pump is held together with six bolts. Hand tighten these bolts with a socket wrench. If one or more of these was loose, you might have found an easy fix to your leak.
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| Step 2 |
Assuming that you could not fix your leak by tighening the bolt, your first step is to order gaskets for the pump. You should have these on hand before starting your pump repair. You can order the gaskets separately or order a gasket package, GO-KITS, that includes the four gaskets and seals required for a general pump repair. This How To Page addresses replacement of the housing and diffuser gaskets. Replacement of the strainer gasket and shaft seal are covered in other How To Pages. Note: These gaskets are generally unique to the make and model of the pump, e.g. this set will only fit the Hayward Super II Pump. Order the set of gaskets specified for your pump's make and model.
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| Step 3 |
Your gaskets have been sent to you. Check to make sure you have the right gaskets. You are now ready to pull the pump apart. First, turn off the power to pump to stop suction.
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| Step 4 |
Next you will have to relieve the pressure that has built up in the pump and water line. Note the pressure on the pressure gauge. It will typically read between 15 - 20 psi. Note this value for future reference when you restart the pump. To relieve pressure turn the air relief valve on top of the filter counter clockwise. Water will spray out initally as you see the pressure on the pressure gauge go to 0 psi.
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| Step 5 |
To extract the motor pump assembly from the pump housing, first remove the six 9/16" bolts that bind the motor pump assembly to the housing. Keep track of the washers.
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| Step 6 |
Now pull the assembly apart from the housing.
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| Step 7 |
Check to ensure that the diffuser came out with the motor assembly.
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| Step 8 |
Pull the diffuser away from the motor assembly. It should snap off easily.
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| Step 9 |
Turn the diffuser over and ensure that it is free of debris.
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| Step 10 |
Check that the impeller is not clogged with debris. Pull any debris out. If necessary, use a stiff wire or small screwdriver to work the debris out of the slots.
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| Step 11 |
Slip the old diffuser gasket off the diffuser and replace it with the new gasket.
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| Step 12 |
Ensure that the new gasket is seated to the stop. Put a thin coat of lubrication on the diffuser gasket.
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| Step 13 |
Snap on the diffuser - no screws are required. Ensure that the part of the diffuser labeled "TOP" is aligned with the "TOP" labeled on the seal plate.
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| Step 14 |
Pull the housing gasket out of its groove in the pump housing.
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| Step 15 |
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Clean out the groove in the pump housing assembly. A small screwdriver covered with a layer of cloth works effectively.
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| Step 16 |
Insert the new housing casket in its groove. These new gaskets are tight. You may have to have someone hold half of the gasket in the groove while you are inserting the other half. Put a thin coat of lubrication on the gasket. Use a good pool parts lubricaion. Some common lubrications, like vasoline, will deterioate gaskets.
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| Step 17 |
Clean off the surface on the seal plate that will come in contact with the housing gasket.
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| Step 18 |
Replace the motor assembly back into the pump housing. Insert and tighten the 6 bolt that bind the motor assembly to the pump housing.
To ensure that the motor assembly seats properly inside the housing, loosely tighten bolts in alternating sequence - 1,3,5,2,4,6, then go back and tighten them down again in this sequence. This is important for proper operation of the pump. Hand tighten firmly.
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| Step 19 |
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Since the water drained out of the pump when you opened it up, you will have to prime the pump before turning it on. Open up the strainer and fill the strainer pot with water. Clean any debris out of the strainer basket while it's open. Close strainer lid securely.
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| Step 20 |
Turn on power to the pump to restart pressuring the system.
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| Step 21 |
The air relief valve on the filter should still be open. As the pressure builds, air will be released through the relief valve. When water starts to spray out of the valve, turn the valve clockwise to close it.
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| Step 22 |
Check that the pressure gauge reads at your operational value (see step 4). This value varies from system to system. You should see water flowing though strainer.
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