Question about Polaris Pb4 - 60 Booster Pump

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I have new impeller & seals for pb4-60 booster pump and need to know the orientation of ceramic/rubber seal should be inserted into impeller - rubber lip toward or away from threaded brass wijidigit?

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Rubber toward the impeller,so when you screw the impeller back on the ceramic ant the graphite on the other half face each other. This is so the graphite wears smooth against the ceramic.

Posted on Nov 14, 2010

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Pump leaks from the bottom after running, is this normal?


No . the problem is that the ceramic seal that seals between the fluid and the motor and bearings is leaking ( probably from running dry) or the rubber that holds the carbon seal insert has a crack. Suggest you pull the pump down to fix it otherwise the water/ fluid will get into the bearing of the motor and will cause a major failure

Aug 12, 2013 | Grundfos MQ3-45 1 HP Pressure Booster...

1 Answer

Replace usq1202 pump


It looks like since you have a square flange motor you have either a Tri-Star, a Maxflo II pump or other model by Hayward.. Either way the process is very similar.
Replace the seal, o-rings and gaskets with new ones. Use a teflon based lubricant on all rubber parts, including the seal, but try not to get any on the ceramic (white ring).
  1. Shut power off at the breaker.
  2. Remove the bolts connecting the motor plate to the pump housing.
  3. Back motor assembly out of pump housing making sure that the diffuser and its gasket also come out.
  4. Disconnect the electrical supply.
  5. Remove the diffuser if still covering the impeller, (there may or may not be screws to remove).
  6. Remove impeller ring (if one).
  7. Holding the impeller firmly remove the impeller screw. This is in the center of the impeller and has a REVERSE THREAD, meaning turn screw clockwise to loosen.
  8. Remove the end cap on the opposite end of the motor and use a 9/16" open end wrench to hold the shaft from turning.
  9. Unscrew the impeller CCW.
  10. IMPORTANT -- Note how both parts of the seal are oriented to assure the new one is installed likewise, then pull off the seal and seal plate, and discard old seal parts. Also note which way is UP on the seal plate relative to the motor.
  11. Reassembly to the new motor is basically reversing the steps above.
NOTES:
The impeller ring (if one) is a ring with a lip around one side. This goes over the center of the installed impeller with the lip facing outward, away from the impeller.



Do not over tighten the bolts! You can damage the pump by doing this. Snug plus about a quarter turn is plenty. In the event you have leaking after startup, open the pump back up and check you housing gasket.

Jan 20, 2013 | Smith 2hp Pool Pump Motor A O Electric...

1 Answer

How does the spring go back on the impeller?


You will need a new seal if the spring has come apart from the rubber. Almost any time you remove the impeller you should change the seal. The half of the seal that has the ceramic goes into the seal plate rubber first. The half with the spring slides on to the impeller shaft with the rubber first so the graphite faces the ceramic. Both pieces should have a small amount of teflon grease applied first to be sure they go on smooth.

Sep 22, 2010 | Pentair Pinnacle 1 1/2 - Hp In Ground Pool...

1 Answer

How do I remove the pb460 booster pump in order to install the new one? Does the water have to be turned off from the pool?


You are trying to remove the pump so you can replace the impeller correct?
To remove the impeller you do not need to remove the whole pump. Turn off the electric first. Then just remove the several bolts and separate the back half from the front. Then disconnect the electrical from the motor and your can pull the motor with the seal plate, and impeller all the way out and work on it. To remove the impeller you need to lock the motor and unscrew impeller. Depending on the motor, you remove a cap in the middle of the tailpiece and hold with a wrench, or remove a cap that covers the whole end and grab the shaft with a wrench (usually 7/16") by sliding it under one of the components (not sure exact part off top of my head have to look at it) and then turning impeller. If the impeller has a bolt or screw in the middle remove that first. It should be reverse thread so make sure you don't turn the wrong way and break or strip. If there is no screw, or after you've removed it, just spin the impeller off (it should be counter clockwise standard thread). If you can't do it by hand and assuming you don't have an impeller wrench, be very careful and use a large pliers, pipe wrench, or strap wrench to loosen it. After that you unbolt the motor from the seal plate, pull the seal plate away from motor (this removes half the seal), and then pop the other half of the seal from the seal plate. Make sure replace the shaft seal, and use a tiny bit of pool lube on the rubber parts when installing, but keep the white and black ceramic surfaces 100% free of any dirt, grease, etc while working with them

Sep 17, 2010 | Polaris Pb460 Polaris Booster Pump...

1 Answer

How do you change the shaft seal on a polaris pb4-60 pump?


BE CAREFUL YOU CAN BREAK THE SEAL PLATE BY OVER INSTALLING THE #1000 SEAL , TAKE 6 BOLTS OUT UNSCREW IMPELLER THE TAKE THE 4 BOLTS THAT HOLD THE SEAL PLATE TO THE MOTOR, KNOCK OUT OLD SEAL FROM SEAL PLATE USE SOCKET THAT FIT OVER SEAL. I USE A 1 1/4 SOCKET. THEN REPLACE CERAMIC IN IMPELLER (READ INSTRUCTIONS WITH SEAL) OR TAKE IT TO YOUR LOCAL POOL PUMP MOTOR REPAIR GUY.. HAVE HIM DO IT . $ AROUND 40.00

May 24, 2010 | Polaris Pb4 - 60 Booster Pump

2 Answers

Do you have an exploded view showing how the ceramic and spring go on?


The ceramic goes rubber side first into the back of the impeller. The spring piece gets pressed into the seal plate. I will usually just use a 1" PVC coulping and lightly tap into the seal plate with that. But sorry I don't have any pictures to send but you should get instructions with the new seal in the box. You should end up with ceramic against graphite when your done.

May 11, 2010 | Polaris Pb4 - 60 Booster Pump

1 Answer

I have Aquaflo XP2 3 HP pump. I have removed old seal and need to install new seal. I have 2 seals, one with a spring in it that goes next to the impeller and another that has a black end and a white end....


Thank you for posting your question here on Fixya.com.

The rotating assembly, with the spring, goes on the back of the impeller with the shiny carbon face away from the impeller. That face mates to the white ceramic face of the stationary portion. The rubber (black) boot seals the white ceramic into the pump housing. The cardboard 'ring' is provided to allow you to press in the stationary portion without touching it. You DO NOT want to touch either seal face (The shiny parts that rub against each other once you are done). Doing so can cause a brand new seal to leak.

If this answer does not fix your problem, please comment with additional details prior to rating the answer. Positive feedback is appreciated once your problem is solved!

John

Jan 13, 2010 | Aqua Flo AQUA-FLO #200 SEAL, REPLACEMENT -...

1 Answer

1hp whisperflow pump, seal change. How?


Make sure breaker/power to pump is off. Remove the six bolts holding the wet end to the seal plate. Remove the diffuser to expose the impeller. Remove the screw in the middle of the impeller by turning clockwise (left hand threads). Remove the dust cap at the rear of the motor and use a wrench to hold the shaft while you remove the impeller by turning counterclockwise. Once the impeller is off, remove the four bolts holding the seal plate to the motor. Press the old seal out of the seal plate and clean it thoroughly. Remove the ceramic part of the seal from the impeller and clean it thoroughly as well. Apply a thin coat of lube to the seal plate and impeller where the new seal will go. Remove the new PS1000 shaft seal from the box (being careful not to touch the ceramic or carbon face with your fingers), press the metal part into the seal plate carefully, try not to bend the metal and make sure its completely seated against the seal plate. You can now install the seal plate back onto the motor and secure with four bolts. Press the ceramic part into the impeller, use cardboard or paper between your fingers and the ceramic face. Once you have seated the seal into the impeller, hold the motor shaft and thread the impeller on until snug, then reinstall the stainless screw, remember it is left hand thread so you'll have to turn it counterclockwise. Reinstall the diffuser over the impeller and then install the wet end onto the seal plate using the six bolts, don't overtighten them.

It is a good idea to replace the tank o-ring when taking to pump apart, but if the o-rings are in good condition, just apply a light coat of lube and reuse them.

This is a general guide for replacing a seal, if you have trouble removing the impeller, you may need an impeller wrench and a tool to hold the motor shaft.

I hope this helps, if you have any specific questions, email me at mail@leisurepoolservice.com

Oct 28, 2009 | Pentair Pool & Spa

2 Answers

Need instructions on how to replace seals


ok, I will try my best. First, make sure power is off to the pump. Then, remove the six bolts and nuts on the front (wet) end of the pump and expose the impeller. On the back of the motor, you will need to remove the small dust cap in the center. Underneath that dust cap should be the shaft that is slotted. You will need a large screwdriver to hold it from turning as you remove the impeller by turning it counter-clockwise. Once the impeller is off, remove the four bolts holding the seal-plate onto the motor. Once you have the seal plate off, press the old seal out by pushing from behind with a flat tip screwdriver. Once the (ceramic part) seal is out, clean the area where the seal seats very thoroughly and apply some silicone lubricant or even Vaseline to for a nice uniform coat to the area, don't leave any of it dry but don't glob it on either. Next, pull the carbon/spring part of the seal off of the impeller by twisting pulling it at the same time. Make sure all of the seal comes off including the rubber washer/o-ring. Apply a very small amount of lube to the impeller shaft where the new seal will go. Install the new seal onto the impeller, be careful not to touch the carbon face of the seal if you can help it. Slide the seal all the way onto the shaft until it bottoms out. Next, install the ceramic part of the seal into the seal plate, be careful not to touch the ceramic surface. Press it into place using some paper of cardboard from the box the new seal came in. Make sure it seats all the way down, inspect it from the back to make sure the seal is completely seated. Install the seal plate back on and torque the four bolts onto the motor. Thread the impeller onto the shaft until it bottoms out, hold the shaft and tighten the impeller lightly, no need to crank on it, snug is good. Check and lube all your o-rings and install the wet end back onto the seal plate. Reinstall the motor shaft dust cover and you should be back in business. Be sure to fill the pump with water before turning it on. You can usually do this by starting your filter pump first.

Here is an exploded view of your booster pump.

http://www.poolpartsonline.com/popup.aspx?src=wolthuis.aspx%3fproductid%3d12%26size%3dlarge

Sep 28, 2009 | Polaris Pb4 - 60 Booster Pump

2 Answers

Replaceing the wet end seal on my hot tub


disconnect power take pump out remove front plate take back cover off motor use 7/16 wrench to hold shaft unless it has a place for a flat head screw driver at the back of the motor while holding shaft unscrew impellar counter clockwise take shaft seal off impellar make sure rubber gromet comes off with seal take back seal plate off motor by unscrewing bolts thru back of motor should be 4 knock out ceramic ring replace ceramic ring with rubber side toward plate reinstal back plate install seal on impeller with with flat side with rubber gromet toward back of impellar. screw impeller back on holding shaft if the shaft is rusty and pitted clean off with sand paper b4 reinstalling impellar lube up oring around front plate screw back tight and reinstal pump.

Sep 18, 2009 | Jacuzzi Impeller, L - 3/4 H.P

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