
How To Replace a Pool Pump Impeller
- Step 1: Cut the Power ...
- Step 2: Open the Relief Valve ...
- Step 3: Remove Fasteners ...
- Step 4: Remove the Housing ...
- Step 5: Check and Remove the Diffuser and Gasket ...
- Step 6: Secure the Motor Shaft and Remove the Impeller ...
- Step 7: Remove the Seal on the Impeller ...
- Step 8: Put The Seal On the New Impeller ...
What should I do if I need to replace an impeller?
Follow the appropriate lockout/tagout/blockout procedures, and read and follow all safety tags. Failure to do so could result in injury or death. To replace an impeller in a pump, first switch off the power to the pump, and lock the switch in the off position to ensure no power can get to the machine while replacing the impeller.
How to replace a pool pump’s impeller?
Here’s a step-by-step guide to replacing your pool pump’s impeller. You need to be sure your pump won’t turn on while you’re working, so make sure to unplug it. You could simply turn the switch off, but pumps have a bad habit of automatically turning themselves back on, and you don’t want that.
How to fix a leaking water heater impeller?
Unscrew the impeller casing. Remove the impeller and examine it. If it shows signs of corrosion, replace it with a new one. If it is just clogged, wash it thoroughly under a faucet. Return the impeller to its casing and secure it. Put the pump base back and screw it down tightly. Put the pump back into the sump pit and reattach the outlet pipe.
How do you remove an impeller from a lawn mower?
You have to unscrew the impeller from the motor shaft, which means you need access to the shaft to hold it in place. To do that, go to the other end of the assembly and take the back cover off. You’ll see the motor’s wiring, capacitor, and a plastic strip between its leads to prevent shorting.

How do you replace the impeller on a centrifugal pump?
0:392:08SMP Centrifugal Pump Open Impeller Wrench - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou can now remove the impeller wrench using the knurled section of the socket. You can loosen theMoreYou can now remove the impeller wrench using the knurled section of the socket. You can loosen the impeller safely until you can remove it from the pump shaft.
Is replacing an impeller hard?
Changing an impeller is not a daunting task and it's one that every boater should consider adding to their arsenal of DIY maintenance. Changing an impeller, on many engines, usually takes less than 20 minutes even if you are fairly slow. The most complicated aspect of the task is physical access to the pump.
How do you replace the water pump impeller on a?
1:355:12How To Change your Water Pump Impeller - PowerBoat TV - YouTubeYouTubeStart of suggested clipEnd of suggested clipTo remove the pump housing first remove the four bolts in a cross pattern to avoid warping theMoreTo remove the pump housing first remove the four bolts in a cross pattern to avoid warping the housing. Then carefully slide the rubber seal up and off the shaft.
How do I know if my pump impeller is clogged?
0:002:32How to Unclog Your Pool Pump Impeller! (and warning signs)YouTubeStart of suggested clipEnd of suggested clipIs if your vacuum you have a vacuum it's not moving around very well or another indication of aMoreIs if your vacuum you have a vacuum it's not moving around very well or another indication of a clogged impeller.
How long should an impeller last?
All impellers should be changed at a minimum of three years. Some will not make it that long depending on many things, how often it is used... too little and it will deform and tend to dry rot. Use it alot and it will wear out from spinning around in it's housing.
How do you take out an impeller?
2:024:23Inyopools.com - How to replace a pool pump impeller - YouTubeYouTubeStart of suggested clipEnd of suggested clipTurn the impeller counterclockwise to loosen it up. Keep on screwing the impeller until you actuallyMoreTurn the impeller counterclockwise to loosen it up. Keep on screwing the impeller until you actually get the impeller off the shaft.
How do I know if I need to replace my impeller?
Here's a list of all of the signs that your impeller needs to be replaced.Impeller wear and tear. ... Engine overheating. ... Engine smoking. ... Reduction in engine pee. ... Engine sounds hollow. ... Impeller hasn't been replaced in over 300 hours.
What happens when impeller goes bad?
If your impeller fails, the pump can't pump cool water to the engine causing your engine to overheat. If you catch that your impeller is failing early on, you might avoid major problems. However, if you're not fortunate enough to catch a bad impeller, the results can be catastrophic to your engine.
Where is the impeller on a pump?
0:298:02Centrifugal Pump Impellers - YouTubeYouTubeStart of suggested clipEnd of suggested clipWe can see a cross-section of the pump as well the impeller is housed within the volute casing. AndMoreWe can see a cross-section of the pump as well the impeller is housed within the volute casing. And the impeller is the rotating item that we're looking at.
How do you clean a clogged pump impeller?
0:532:37Swimming Pool Service Tip: Unclogging Your Impeller - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou can put a screwdriver or NPS pool supply cells a what's an impeller unclog er it's a tool justMoreYou can put a screwdriver or NPS pool supply cells a what's an impeller unclog er it's a tool just to unclog the impeller.
How do you clean a water pump impeller?
0:001:23Tips for keeping water pump running and clean - YouTubeYouTubeStart of suggested clipEnd of suggested clipWith every one of your pumps it's really important that you clean the impeller. So inside thisMoreWith every one of your pumps it's really important that you clean the impeller. So inside this housing you'll find a impeller. And that's called the impeller.
How do you clean a clogged water pump?
One of the most reliable ways to clear a clogged pump is to physically remove the clogging debris by releasing the vacuum, disconnecting the suction tube and letting the water rush back through the suction tube to flush out the debris, however the debris still remains in the water to be pumped.
Why do impellers fail?
Abrasive sandlike material can cause the impeller to wear out faster. Impellers can also wear out by becoming stiff and brittle due to the motor sitting unused for several seasons or being exposed to heat. Water lubricates the impeller, and if it's run dry, the impeller can be ruined in a few seconds.
How do I know if my water pump impeller is bad on my outboard?
1:013:16How To Change an Outboard Engine Water Pump Impeller - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo Chris if this impeller was in bad shape which parts would I need to replace here well on aMoreSo Chris if this impeller was in bad shape which parts would I need to replace here well on a typical water pump replacement you would replace the bottom gasket the base plate.
How do I know if my jet ski impeller is bad?
How do I Know if a Wear Ring is Worn?Cavitation in the pump.Decreased top speed and acceleration.The jet ski bogs down.You can see grooves or other signs of wear and tear on the surface of the ring.The gap between the ring and the impeller has significantly increased (more than . 005”).
How often should you replace a Mercruiser impeller?
Mercury recommends changing impeller every 3 years.
What is an impeller?
An impeller is a small but important part of a pumping system. It looks like a little three-dimensional propeller. It draws liquid, mainly water, toward it before expelling it through an outlet pipe. Impellers fall into two classes: single and double suction. Single suction impellers pull water from one side, while double suction models attract ...
What is a single suction impeller?
Single suction impellers pull water from one side, while double suction models attract water from two sides. Impellers are used in pumps for swimming pools, jet skis, outboard motor boats, washing machines and sump pumps.
How to keep from getting electric shocks?
Electricity still travels through cable, albeit at a lower charge. To keep from receiving electric shocks, either stand on a rubber mat or wear rubber-soled shoes.
How to remove pump liner from pump?
Lift the casing away from the pump using the assembly aid arm or lifting device. The liner should come out with the casing. Inspect the liner for wear or damage.
How to change impeller in pump?
To replace an impeller in a pump, first switch off the power to the pump, and lock the switch in the off position to ensure no power can get to the machine while replacing the impeller .
What is the purpose of the assembly aid arm?
Use the assembly aid arm or lifting device to lift the suction-side casing back into place.
What to do before maintenance on a pump?
Before performing maintenance on a pump, be sure to read and follow the Installation, Operation and Maintenance Manual. Follow the appropriate lockout/tagout/blockout procedures, and read and follow all safety tags.
What Does a Pool Pump Impeller Do?
The impeller is the most crucial part of the pump and its only moving part. It’s what pulls the water through the pump to circulate it, so without it, your pump is useless.
How to unscrew an impeller?
Holding the Shaft and Removing the Impeller. Use a wrench or a pair of pliers to hold the back end of the motor shaft steady, and turn the impeller counterclockwise to unscrew it from the shaft. You might have to use a strap wrench or something else soft to loosen it at first.
How to reattach a capacitor to a pump?
Put the capacitor back into the pump’s motor assembly and reattach it to its leads , put the plastic strip back into place , and then reattach the assembly’s back cover.
How to short a capacitor?
Since the capacitor stores power and you have to pull that plastic strip out, you need to carefully place a screwdriver across its leads to temporarily short it out and avoid getting a shock.
Why should you not touch bearings on seals?
Avoid touching the bearing on the top of the seal because the oils from your skin can corrode it.
Where is the gasket on a water pump?
The pump’s diffuser and gasket are located at the end of the assembly. Snap it off and check both pieces over before setting them aside (This is an excellent time to check them over and see if they need replacing as well).
Where is the seal plate on an impeller?
The impeller has a seal on it. Half of that seal is in the seal plate on the end of the motor shaft, and the other half is on the end of the impeller. Remove the part that’s on the impeller, paying close attention to how it’s mounted.
How Do I Know If My Pool Pump Impeller Is Bad?
Some signs indicate a bad pool pump impeller. However, there are also times that you should just keep it as it is so that it can continue cleaning the swimming pool.
How To Replace A Pool Impeller
Just a quick introduction, the pool pump impeller is the first major part after the filter basket. The motor powers it and with the help of fan blades, it pushes out the water.
Replace the Seal
Once you snap off the impeller, you will see the shaft behind it. You will have the seal, and if the pool pump is a little bit old, you might have to replace the seal.
Conclusion
Pool pumps are very important. They help eliminate debris and dirt from the pool even if there are no pool cleaners inside the swimming pool by filtering the water.
What happens if you run your impeller too hot?
Raw water impellers are a wear item unfortunately they do not always abide by a time or hours of use schedule. A simple mishap like forgetting to open the engines raw water intake, or a partial weed plug in the intake, can kill an impeller in short order. Impellers don’t like to be run dry and they don’t like heat. If run hot for too long they can throw a blade or lose a chunk that can lodge in a hose, elbow or in the heat exchanger. If this happens you’ll have a much larger job on your hands in terms of finding the missing piece. Finding all the missing impeller bits is important in order to prevent further damage or overheating issues.
How to put a gasket over a plate?
I like to insert two machine screws and lay the gasket over them before installation of the plate. This keeps the gasket aligned and makes it a simple one step procedure. With the two screws finger tight I then insert the remaining screws and torque them to proper spec which you will find in your owners manual. If your handy with a wrench you can do this by feel, if not, you may actually want to use a torque wrench.
How many gaskets should I use for a boat impeller?
I always recommend keeping at least one fully new replacement impeller on board at all times and a minimum of two gaskets. Sometimes you’ll need to check the impeller but it may not need to be replaced thus the extra gasket or o-ring.
How to change an impeller after making chick drinks?
If you can change oil or an air filter or clean a blender after making frozen chick drinks you can certainly change an impeller. Step 1: Loosen the screws and remove them. If they are frozen or rusted use some PB Blaster but be very, very careful not to just blast it everywhere .. Please understand that PB Blaster can eat pump seals, ...
How much does it cost to replace an impeller gasket?
If you run your impeller dry, or even with restricted flow, at least check on it. If it’s in good condition all it will cost you is an $.88 cent gasket. If it’s bad, as mine was, replace it. I would guess I probably had another 5-10 hours before this one started throwing chunks.
Why does my impeller spin in different directions?
This is rather normal and is due to the little bit of back spin a diesel can develop as it shuts down. Sometimes during the last revolution the engine may actually spin back a notch or two causing the impeller blades to be out of spin direction unison.
What to do if water drains out after you pop the cover plate off?
There will be water remaining in the HX and hoses. Catch it in a towel, cup or have a turkey baster, rags and or a sponge on hand to dry everything up afterwards.
