PS-200 AS200 Pump seal. If your pump is dripping water(or spraying water between the pump and motor), your motor, motor bearing and shaft will be damaged. Replace the Seal. If you would like me to cross-refernce your pump with the proper seal, Email me.

How to Replace a Swimming Pool Pump Seal

Steps

1. Separate the pump housing - Most pumps have either a large metal clamp ring or a series of nuts and bolts the hold the pump housing to the motor plate. Using a socket or crescent wrench, remove the nut that is securing clamp together or loosen and remove the series of nuts and bolts. Some banded pumps have a hand knob instead of a nut holding the clamp together. Slide back the half of the pump assembly with the motor attached. Try to place the pump on a suitable work surface. Note: You can either leave the electrical conduit intact while doing this procedure or if you require more space you can disconnect the wires form the motor. Be sure the POWER IS OFF and note the wiring so you reattach the wires the same way!
2. Expose the Impeller - Remove the screws from the impeller cover (diffuser).Remove the impeller cover (diffuser). Be sure not to lose any of the screws!
3. Remove the Impeller - You will need to stop the motor shaft from turning while you rotate the impeller counter-clockwise to remove it. The use of vice grips is helpful to hold the motor shaft while turning the impeller at the same time. Be very careful when doing this, you don't want to damage the motor shaft. Unscrew and remove the impeller.
4. Remove the seal plate - Remove the (seal plate) from the motor to gain access to the motor shaft. Usually there will be 4 bolts that hold the seal plate to the motor. You will need to remove the impeller before you can remove the seal plate.
5. Remove the old seal assembly - Using a pair of channel-locks, pull off the old pump spring seal from the motor shaft. Inside the center of the seal plate is the ceramic part of the pump seal. Be careful not to damage the plastic of the seal plate. You can also push it out from behind instead, using a screwdriver knock out the old ceramic seal. Note: Be sure the rubber ring seat is removed with the ceramic portion also.
6. Clean and prepare to replace the seal - Lightly wipe off the motor shaft and the seal plate. Inspect the seal plate for damage, cracks, melted or out of round will cause the pump to leak even with a new seal. Carefully inspect the impeller for cracks or breaks.
7. Install the new seal assembly - Note: NEVER touch the FACE of the ceramic with anything metallic or greasy, because you could destroy the integrity of the pump seal. Press the ceramic part of the seal into the seal plate... using clean fingers to get it seated. (The rubber part towards the seal plate, the white ceramic facing away from the motor.)Slide the spring seal part over the motor shaft. Push it past the threads.( Black carbon face of the spring side needs to make contact with the white ceramic side).Do NOT LUBRICATE this seal with anything besides water! If you do, then it could end up slipping against the impeller, and eventually overheat, destroying the seal.
8. Replace the Impeller - Using the Vice grip method mentioned previously, hold the motor shaft to prevent rotation, and then screw on the impeller. HAND TIGHT. The rotation of the pump motor will keep it tight.
9. Replace the Diffuser - Now realign the diffuser, and tighten the screws. Ensure that the impeller does not touch or interfere with the diffuser, by rotating it with you finger.
10. Re ensemble the pump and motor - Inspect and lube the large seal plate o-ring for cracks or damage. If it's flattened or stretched out, it may need to be replaced. Be sure the clamp is 'around' the outside rim on both sides of the seal plate and the pump housing. This can be a little tricky to get aligned. Tighten the retaining band with a wrench or socket, or if your pump has a knob, use your hand to tighten it. If you pump uses nuts and blots reassemble and tighten.

Tips

• Trouble shooting!
• If the pump leaks around the seal plate, it may help to try tightening it a little more. Did you lubricate the o-ring? If it still leaks, then you will need to replace the seal plate o-ring.
• If the pump leaks at the seal, Did you see any cracks in the seal plate? Did you seat the seal correctly? ( Black carbon face of the spring side needs to make contact with the white ceramic side)
• If you had a pump basket melt in the strainer housing there's a good chance the seal plate has been damaged by the heat and may need to be replaced.

Warnings

• Safety Warning!
• Turn off the Power BEFORE performing this procedure. Failure to comply with this requirement, can lead to electrical shock and/or electrocution!

Things You'll Need

• wrenches, sockets, screw drivers, vice grips, a new seal, lube, clean rag,

Related wikiHows

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• How to Repair a Worn Pool Skimmer Flapper Rod
• How to Landscape an Above Ground Pool
• How to Vacuum and Backwash Your Pool Filter

Sources and Citations

• [www.everything4pools.com/article_info.php?articles_id=58 How to replace you swimming pool pump seal] - Original source of this page. Shared with permission

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