Question about Jacuzzi MAGNUM FORCE POOL PUMP - TWO SPEED 2 HP 115/230V

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What is the best way to remove the impeller from the motor shaft

& are the trreads right or left hand on the shaft nut. This is a Jacuzzi
agnum force 1 hp. motor

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  • Samuel Charles Spriggs May 11, 2010

    Look at the threads from the end of the shaft. If the threads "spiral down" as you go around the shaft in a clockwise direction, the threads are right hand. (If the threads "spiral up" thery are left hand).



    Can you see the threads well enough to do this?

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Posted on Jan 02, 2017

dragonsthatk
  • 547 Answers

SOURCE: Getting to impellre

the impeller is what is holding it in on the end of motor is the impellel the impeller is in a houseing right off motor that is held togethere by screws you should disconect power then power for motor then remove water in/outtake there may be some kind of strap holding it down

Posted on Feb 25, 2009

big-dog420
  • 124 Answers

SOURCE: water works spa pump- need to remove wet end...

Most of these are reverse threaded. There should be a place on the shaft that is flat on 2 sides a 1/2" or 9/16" wrench will fit into the slots. If not look at the back for a place to use a hex key. Hold the wrench/ hex key stationary with the Impeller facing you turn clockwise.
I know this sounds backwards but it should work.
Hope this helps
Please leave feed back

Posted on Dec 01, 2009

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1 Answer

Jacuzzi pump motor leaks at the seal


This means that your pump seals are bad. They are an inexpensive part to replace luckily, but removing the impeller can be tough. There are a number of different Jacuzzi motor/pumps so be sure to get the right seal kit.

Briefly:
The trick is to stop the shaft from spinning while you loosen the impeller. FYI they don't usually come off easily, the older the pump the harder it is to remove the impeller.
On the rear of the motor there is a slot where you can put a flat screw driver into the back of the shaft to stop it from spinning. Once the impeller is off you can remove the volute (rear housing) and change the seal.
Let me know if you need more help.

Feb 29, 2012 | Home

1 Answer

I have a 1 1/2 HP Magnum Force Pump by Jacuzzi. After making some strange grinding noise, I opened it up to find lots of white powdery material flaking off where the Seal Housing (#18) meets the motor...


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


Yes, the seal has been leaking and it needs to be replaced; probably the motor bearings too.


Removing the impeller requires you lock the shaft as you turn the impeller off counter-clockwise. To lock the impeller you will have to remove the motor end cover or a cap covering the shaft end depending on which version your particular motor has. Look at the end opposite the pump and imagine a shaft from one end to the other right in the center.


Once you remove the cover you will see a slot for a screwdriver, a flat for a wrench, a hex hole for a hex key or some combination of these. Lock the shaft and spin off the impeller. Some are so tight you will end up breaking them in the process. Simply replace it and the seal. Be sure the motor shaft is in good enough condition to allow the new seal to work properly. If too much shaft material has rotted away the new seal will leak soon after it is installed; you would need a new motor at that point.


If this answer does not fix your problem, please comment with additional details prior to rating the answer. You may also contact me thru our website at www.arrowpools.net. Positive feedback is appreciated once your problem is solved!


John

Apr 08, 2011 | Jacuzzi MAGNUM FORCE POOL PUMP 2 HP...

1 Answer

Change pump seal


Frank,
I could not find a manual to refer you to as jacuzzi is very proprietary with their products, they want you to pay their techs for help. I will do my best to walk you through it using the parts diagram here: http://www.poolinspections.com/manuals/pumps/jacuzzi_magnum.pdf

Disconnect power
remove pump mounting nut
seperate motor from pump
remove the diffuser which is on top of the imeller
now remove the end cap at the rear of the motor (should be 2 1/4" hex screws)
this should expose the back end of the motor shaft.
find an open ended wrench to secure the end of the motor shaft we just exposed (typically is a 7/16" wrench)
*if this unit has a center screw securing the impeller to the other end of the shaft, unscrew this by turning CLOCKWISE (this would be a reverse thread screw)
next while locking onto the end of the motor shaft with the open ended wrench, spin the impeller counter clockwise until removed. This is where you will find the shaft seal. pay attention to how it is installed.
remove shaft seal
install new shaft seal
reassemble.
Note: it is highly recommended to secure new orings while replacing this seal (unless its new)
if you attempt this and one of the o-rings has deteriorated, it will not fit back together properly.

If you need any more help or advise, please contact me @:
adamh@newconceptchem.com

If this post helped you, please take the time to vote positively for me after reading this.
Thanks,
ADAM

Oct 28, 2010 | Jacuzzi MAGNUM FORCE POOL PUMP - TWO SPEED...

1 Answer

Motor removal on a Jacuzzi magnum force pump.


The impeller is threaded onto the end of the motor shaft and the housing (pump body) is attached to the motor with the same bolts that hold the rear cover on the motor they run all the way through on most pumps.

May 27, 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

We are having issues getting the impeller apart on the jacuzzi magnum force pool pump and need some instructions on how to proceed.


I believe the jacuzzi pump impeller has a locking screw directly in the middle of the impeller. You'll have to turn it clockwise to remove it. Then you'll need to remove the cover from the back of the motor using a 1/4" nut driver. Depending on the motor, you should be able to use a 7/16" open end wrench to hold the motor shaft from turning as you turn the impeller counter-clockwise to remove it. Some motors are different, some have a keyed shaft or require a special tool to hold the shaft while the impeller is removed. Hope this helps.

Nov 22, 2009 | Jacuzzi MAGNUM FORCE POOL PUMP - TWO SPEED...

1 Answer

Remove impeller


Based on the limited info. For most jacuzzi pumps, you will need to remove the lock ring and pull the pump apart to expose the impeller/diffuser. Next, remove the diffuser to expose the impeller. Depending on what type of motor you have, either remove the cover plate or cover cap to expose the shaft at the rear of the motor. There are three types of shafts, one is slotted so you will need a large screwdriver to hold it in place. One is larger and can be held with a wrench or special shaft tool. One is more internal and has a switch at the end so it has to be held with a 7/16 wrench under the switch midway between the switch and the housing. You may have to remove the capacitor to gain access with the wrench.
There may be a lock screw holding the impeller to the shaft, if so, remove it by turning it clockwise (left hand threads). Then you can remove the impeller by turning it counter-clockwise. They can get stuck on the threads and you may need an impeller wrench or something suitable to give you some mechanical advantage to remove it.

Oct 20, 2009 | Jacuzzi Pool & Spa

1 Answer

How to remove impeller from motor to replace. I 've removed all the bolts but can't remove the impeller from the shaft.


If it's a separate shaft, it requires a puller tool, but first you have to remove a nut that holds the impeller to the shaft. If the shaft is part of the impeller, meaning that it is a one piece fabrication, then there is nothing you can do about it. You haven't even stated where does this impeller come from, a washing machine, a water pump, etc.

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

1 Answer

Vacuum has become very loud screaching sound


Yes, I would say the crack is causing the screaming sound.

Usually the fan (impeller) is held on with a left-hand nut. To remove it, you have to hold the motor somewhere (sometimes you can just hold the impeller), put a wrench on the shaft nut and turn it clockwise. The impeller should then just pull off (with possibly some wd-40 and a little muscle).

Apr 22, 2009 | Vacuums

2 Answers

Jacuzzi magnum pool pump impeller broke


The impeller on the Magnum pump unthreads counter clockwise as do other impellers. There is a shaft of the motor that runs the length of the motor, on the back of the motor when you take the bell housing off you will see a small silver spot with a **** in it for a standard screwdriver. Put the biggest one in there you can and then grab the impeller and turn it counter clock wise and it should unthread. Sometimes they won't if it has been on there a number of years. You will need to break it off if it doesn't unthread. Then just purchase a new Impeller for the Jacuzzi Magnum Pump.

Rod
US Parts Center

Feb 24, 2009 | Pool & Spa

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