Question about Jacuzzi Pump Impeller,3/4HP

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How to install a impeller kit for my jacuzzi water pump

I know how to put it all together except the disk that goes against the diffuser this plastic ring has a lip on one side and i don't know witch side it faces towards the impeller or the diffuser . if you can help it would be great thanks

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The lip faces away from the impeller

Posted on Feb 24, 2009

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Posted on Jan 02, 2017

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I have a Sta Rite Model ANC 30L Code 1F93C and I need to remove the impeller to clean accumulated manganese build up- I pulled the 4 mounting bolts and am afraid to pry for fear of breaking something- any...


When you open the pump up look to see if you have a set screw in the center of the impeller. This is a left hand screw, start by removing it. Remove the diffuser from the front of the impeller. Quite often you can just take a screwdriver and wedge it into the left side of the impeller and hit it a good shot with a hammer straight down to break the impeller free. Then just screw it off.
If that dosn't work then you have to open the back of the motor and get to the end of the motor shaft. The end will be squared off so you can get a wrench on it. Then take a big pair of water pump pliers and get the front impeller and unscrew it.
The metal in the impeller and the steel shaft will stick to each other so you will have to break it free. At that point the seal plate will come off.
When your done and putting it back together be sure to replace the seal and all the "O" rings.
Good luck.

Nov 29, 2010 | Sta Rite Ds3hf 1.50 Hp Self Priming...

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Remove motar from whisper flo pump


Replacing your pool pump motor
Gather the following items.
Phillips and flat head screwdrivers
Circuit tester
Dry towel
Step One
First, make sure that the power to the pump is turned OFF. This means turning off the breaker at the panel box and not just the switch at the pump.
Step Two - Removing the motor assembly
Remove the four hex head bolts which hold the motor assembly to the pump/strainer housing (These bolts may not be visible).
Slide the motor assembly out of the pump/strainer housing, exposing the diffuser. Pull the diffuser of of the seal plate, exposing the impeller. (The diffuser may remain in the pump/strainer housing. To remove, pull it straight out of the strainer housing.)
There will be a gasket or O-ring sealing between the motor mounting bracket and the strainer housing. Inspect this thoroughly and replace if necessary. An economical option would be to purchase a Go-Kit which includes the pump shaft seal and all necessary o-rings, gaskets and lubricant for your pump.
Step Three
Now, you can lift up the motor with bracket attached to get to the wiring more easily. There may be a bare copper ground wire attached to the outside of the motor that you will need to disconnect. Remove the cover plate on the back of the motor to get access to the wiring. You should have one green wire that is the ground wire and two other wires that are your leads. The lead wires should be black and white but could be any other color except green. Disconnect these wires (they may be attached to a screw, held down by a nut, or clipped on with a terminal clip).
Step Four
Next, you will need to disconnect the conduit (sleeve covering wires between motor and switch or junction box). This usually means unscrewing the compression nut that is screwed on the adaptor which is screwed to the motor. After unscrewing the conduit compression nut, you can pull out the wires from the motor. If you wish to reuse the adaptor, unscrew it from the motor.
Step Five
Now you must remove the impeller from the motor. Remove the volute covering the impeller if it is there. (Some are screwed on). You will need to go to the opposite end of the motor and pop off the plate covering the shaft. The shaft will either have a slot in it for a screw driver or is flattened to allow you to put an open end box wrench on it. This will allow you to unscrew the impeller. You will unscrew in the direction that is opposite to the direction that the veins point at the outside of the impeller. This is the same direction that the motor will rotate the impeller. This may look backwards but the water comes into the center of the impeller and rolls off the veins away from the impeller by centrifugal force. As you take the impeller off, be sure to note how the pump seal is positioned. We highly recommend replacing the pump seal with the purchase of a Go-Kit when replacing the motor.
Step Six
Now you can see the bolts that hold the motor mounting bracket to the motor. Unbolt these, separating the motor mounting bracket from the motor. You are ready to reverse the process to install the new motor.
Step Seven
Important Notes on Reassembly: DO NOT touch the ceramic faces of the seal; This may cause the seal to burn up and leak. Be sure to tighten the impeller completely. Be sure to wire the new motor for 110V or 220V depending on what you have. This may be a simple switch in the motor or you may need to use the wiring diagram on the motor to set for the proper voltage. (Black tracer means the white wire with a black line corkscrewing around it.) Be sure to put the volute back on, aligning properly. Be sure to reconnect the bare copper ground wire to the ground lug on the new motor. When tightening bolts, alternate tightening a few turns at a time to seat evenly or the pump may leak. Fill the strainer housing with water before starting the motor to prime system and prevent damage to seal and impeller.
More Helpful information on how to replace a pool motor
Shaft Seal installation
Clean and lubricate the impeller hub shaft and pump housing seal recess with a dilute solution of non-granulated liquid-type soap
Gently wipe the black, polished surface of the spring seal assembly with a clean, soft cotton cloth. Press the spring seal assembly onto the impeller hub with black polished surface facing away from impeller.
Gently wipe the polished face of the ceramic seat with a soft cotton cloth. Lubricate the O-ring on the ceramic seat and press it firmly and evenly into the recess of the seal plate with polished side facing out.
Place the seal plate onto the motor mounting bracket aligning the positioning lug and guide.
Replacing the impeller and diffuser
Slide the motor assembly, with the diffuser in place, into pump/strainer housing, being careful not to dislodge the diffuser.
Fasten assembly to housing using the four bolts. (Be sure housing gasket is in place.) Tighten alternately and evenly

Oct 03, 2010 | Garden

1 Answer

How to dismantle a jacuzzi magnum pool filter pump 1228


When you go to loosten the lock ring you will need to find the lock tab that will keep it from comming off. This tab I think will pull out but it may push in and this will free the ring to turn. Once this is off if the motor runs turn it on for a second and let it push the front and back half apart. If it won't run you can use a flush bag to pressure it off. In worst case you can pry the halvs apart with a big screwdriver. If you do this be careful not to hurt the case of the pump it is just plastic.
When the pump is opener you remove the difusser and look inside the impeller. If you have a screw in the center of the impeller it will be a left hand thread so to remove you will turn it clockwise. Now just unscrew the impeller turning it counter clockwise and take the rear plate off the motor by removing the four bolts on the back. Good luck.

Sep 03, 2010 | Jacuzzi MAGNUM POOL PUMP 1-1/2 HP MAGNUM...

1 Answer

MAGNUM POOL PUMP 1-1/2 HP MAGNUM PUMP BY: how do i replace the shaft seal...


You should be able to remove the diffuser and then the impeller to gain access to the shaft seal on these pool pumps. Your users manual should have a diagram.

May 16, 2010 | Jacuzzi MAGNUM POOL PUMP 1-1/2 HP MAGNUM...

1 Answer

How do you remove the motor from a Flotec FPS5172, 1-1/2 HP.


The impeller screws on the motor shaft. First replace the through bolts in the motor. These are the long bolts, they will just cause headachs. On the back of the motor their will be a place to hold the shaft from turning, If you hold the shaft the impeller just unscrews. If you look in the center of the impeller it may have a set screw holding it to the shaft. If you have one of these it will be a left hand screw. Then you will need to break the impeller free as the brass that holds the impeller on will stick to the stainless steel of the shaft. Don't let how tight this is fool you when you put this back together it just goes on hand tight. Good luck

Nov 23, 2009 | Flotec 1 - 1/2 Sprinkler Pump Composite...

1 Answer

Which way does the plastic wear ring slip on the impeller, with the smaller dia. facing the impeller or the other way?


Yes the small end goes to the impeller with the flange out. when the pump kicks on the water presure on the outside of the impeller pushes it out against the diffuser and stopps the loss of pressure there and it makes the pump as efficent as it is.

Sep 29, 2009 | Waterway Above Ground Hi Flo Pump

1 Answer

How to disassemble a magnum 1500 - to change the bearing seal.


On the big lock ring there is a small clip that you pull out away from the ring then turn out of the way. It is just a peg to stop the ring from turning, with that done from the back of the pump loosten the ring in a counter clockwise direction. With the ring clear start the pump for just a second a couple of times till the water pressure pops the pump in two. Once that is done I beleve it has five screws holding the difuser on, pull that and on most models their is a center screw on the impeller. This screw is a left hand thread so turn it clockwise to loosten it. Then insert something flat and strong in a vain of the impeller on the left side and give it a sharp hit to start the impeller spinning off. If need be spin the rest of the way off and your at the seal. Rember when putting this back together Hand tight only on the impeller and use a teflon or silicone base lube not petroleium jelly.

Jun 25, 2009 | Jacuzzi MAGNUM POOL PUMP 1-1/2 HP MAGNUM...

1 Answer

Plastic nut stripped on impeller. How to get it off>


if you go to auto parts store or tool store they make a socket with reverse threads inside that will remove the nut.

Jun 23, 2009 | Jacuzzi MAGNUM POOL PUMP 1-1/2 HP MAGNUM...

1 Answer

Pump does not turn on except for a humming sound and shuts off jumping the electric breaker


This could be anything from a stuck impeller to bad windings in motor. If you open the pump at the lock ring and remove the difusser from the impeller you can see if you can spin the impeller, If it won't move is it something holding the impeller up remove it. If notit is probally a bad bearing and you should replace the motor. If the Impeller turns try turning it on and caerfully try to spin before it kicks the breaker. If it is sort of stuck and does not want to turn the motor is bad and needs to be replaced. If it spins and won't start same thing, If it spins and starts it is probally a start capicator. Shut the power off at the breaker remove the back of the motor the capacitor will be a small black or silver cylinder with 2 or 3 wires clipped to it. Remove this and take it to a motor shop and get an exact duplicate. and that should fix it. When putting back together be sure to lube all "O"rings and refill with water. Hope this helps.

Jun 02, 2009 | Jacuzzi MAGNUM POOL PUMP 1-1/2 HP MAGNUM...

1 Answer

Need to know what you call the plastic bulb side of pressure tank


this is a water systems pump. Made now by Franklin Pump Systems in Ohio.

Dec 31, 2008 | Jacuzzi Brothers 1/2 Hp 8gpm 2 Wire...

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