Question about Pentair 1.0 Hp Whisperflo Pump

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Whisperflo Pump vibrates very loudly while running

Motor warranty number model no. 177476

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Make sure pump motor is sitting on the resiliant pad. Also bearings may be ready to go

Posted on Dec 01, 2012

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: My Whisperflo Pool Pump is making a racket. Is

Stick a large screw driver on the motor in the area of the bearings and on the pump housing ... stick the handle to your ear (notice I said to your ear ... not IN your ear) Listen. Often you can determine the source of the noise in this manner.

My money is on the impeller. You will need to replace the seals when you disassemble the pump motor from the pump housing. I found a dime in the impeller recently ...it made a racket until the impeller wore down in that area.

Posted on May 02, 2010

UglyPoolGuy
  • 46 Answers

SOURCE: My Pentair Whisperflo pump is

Inside the pump is a set of bearings that help the components of the motor run smoothly. When they become clogged with dirt and debris or wear down, your pool pump may get very noisy or stop working altogether. This high pitched squealing you are hearing is fairly consistent with bearing failure.
t might be best to have the motor seperated from the pump housing and take it to your local pool outlet or motor shop. Installation of the bearings will be a breeze for them and make sure that no damage is done to the shaft of while the new bearings are being installed. At this time, they can also inspect the motor and make sure that there are no other problems with the pool motor.
Also, you should ALWAYS, ALWAYS, ALWAYS replace the shaft seal whenever you take the pool pump motor apart. This will ensure a positive seal for the motor and minimize the opportunity for leaks to occur.

Replacing the bearings in your pool motor:

1. Turn off power to your pool pump by unplugging it from the power source or by turning off the circuit breaker. 2 Remove the plumbing from the pump. Take off the unions on the suction and discharge side using a wrench. Loosen the pool pump from the fitting holding it to the ground and move it to a comfortable area to work in. 3 Remove the housing from the pool pump and separate it from the motor. Look at the owner's manual for your pump to see the specifics on how to remove the pool pump housing, since each model is different. Usually you will need to loosen a bolt with a socket wrench and loosen the metal band that holds it in place. 4 Remove the four bolts that hold the pump together. These are located on the hand bell of the frame. Remove the motor end bells. 5 Pull out the motor armature to expose the ball bearings. Insert your ball bearing puller to pull out the old ball bearings. Inspect them for damage. Replace the old ball bearings with new ones after greasing them with bearing grease, and reassemble the pump.
To be honest with you, I don't even let our technicians replace the bearings in the field anymore. It is a little difficult and really, how many people have a "ball bearing puller" laying around their house.

*Please note, this should ONLY be attempted if you are comfortable with the instructions and taking apart the pump, have the necessary parts and tools to make the repair, and are familiar with ensuring that everything is back together properly!
Please take a moment to let me know if this answered your problem or not! All of us here a Fix Ya do our best to help each person with their questions, and we know that we may not always be "perfect", but we do try!
The Ugly Pool Guy www.WeFixUglyPools.com

Posted on Dec 15, 2010

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I have a year old kitchen aid dishwasher and during fill cycle it makes a thumping noise. The dishwasher every 5 or 10 seconds shuts off fill cycle then turns back on which I think is what's causing...


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If the dishwasher is loud during operation, the drain pump might be defective or might have some debris in it. This is a common problem.


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Circulation Pump

If the dishwasher is loud during operation, and the noise is a continuous drone similar in speed to the circulation pump sound, it's likely that the circulation pump motor bearings have failed. Once this happens the circulation pump will have to be replaced, the bearings are not repairable.


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If the dishwasher is loud during operation, the drain impeller might be broken, or there might be debris in the pump. Generally, to gain access to the pump the top of the pump housing will have to be removed.


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If the dishwasher is loud the motor bearings, drain impeller or wash impeller might have worn out. All three of these components are part of the pump and motor assembly. It may be possible to replace one of the impellers, but the motor bearings cannot be repaired. In that case the pump and motor assembly will need to be replaced.


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The wash impeller is a small, plastic blade. The motor spins the impeller forcing water through the spray arms to clean the dishes. If one or more blades has broken off of the impeller the dishwasher is loud. The impeller can also scrape against the pump housing if it is damaged, warped or bent.


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If the dishwasher is loud during operation, and the noise is a continuous drone similar in speed to the motor sound, it's likely that the circulation and drain pump motor bearings have failed. Once this happens the motor will have to be replaced, the bearings are not repairable.


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Water Inlet Valve

The water inlet valve is an electrically controlled water valve. When it is new, the water inlet valve is very quiet. Over time, the diaphragm inside the valve deteriorates and deforms. This deformation interacts with the water rushing in and can cause a loud vibration, buzzing, squealing or other noises. If the dishwasher is loud during the filling cycle, replacing the water inlet valve may solve the problem.

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When I turn on filter the pump makes a loud noise, then kicks on but runs loud.


these are known to have rear end bell issues , the motor will need service by your local pool pump motor repair guy. cost about 75.00 .. if you keep running it it will destroy the motor and a new motor will be your only choice .Leave feedback for your favorite fixya guy.. that would be me the pool pump motor repair guy in longwood Florida.. don't forget to prime your pump after a repair !!

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Our Whisperflo pool pump has stopped working and there is a ERR5 message on the indoor control display. I notice a slight burning smell around the pump. Any suggestions?


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