Question about Polaris Pb4 - 60 Booster Pump

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I recently replaced the impeller shaft seal due to a leak produced by overheating. After replacing the seal my booster pump now produces low pressure causing my polaris to just run in a circle. How do I trouble shoot this issue?

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Check your finger screen inside the wall fitting where your hose hooks up. Also check the impeller to be sure nothing is inside the vanes.

Posted on Jul 19, 2010

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Posted on Jan 02, 2017

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2 Answers

Overheating Ford 7.6 liter Diesel Engine


A water pump is like a piece of jigsaw that will fit only one way around. I did once hear of an impeller that fell off the shaft but once in 40 years is pretty rare. Mostly if the bearing is ok and the seal doesn't leak they are fine and if the coolant circulates the pump function is also fine.

My first question is to ask how sure you are of the mechanic's competency and honesty given his comment about the water pump? Unless there is a faulty climate control or similar, heater function is usually fairly consistent unless there is something floating around in the cooling system causing a blockage - or combustion gas is leaking into the cooling system where it can build up and commonly disrupt the thermostat operation and often also the heater, the former causing overheating and the latter inconsistent heater function.

Some gas is normal even with a healthy engine and manufacturers usually design in a degassing route so the few bubbles can quickly and harmlessly escape into the space above the coolant level so if the route becomes blocked or the amount of gas is excessive trouble will follow.

A few other possibilities are:

Insufficient air flow through the radiator core.
Insufficient coolant circulation through the radiator.
Insufficient coolant circulation through the cylinder block due to sediment.
Defective or incorrectly fitted thermostat.
A too-soft bottom hose being sucked flat due to a high water pump demand.

Good luck!

Mar 01, 2017 | Cars & Trucks

1 Answer

Moter leaks when filtering


Is it leaking at the motor shaft or where the filter gasket and pump housing bolt together? If between the two housings,then it may just be a matter of tightening the screws that hold them together. If it is leaking around the shaft, you will need to replace the mechanical shaft seal.
To replace the seal you will need to remove the housings and then unscrew the impeller from the shaft. There is a slotted end on the other end of the motor shaft for screwdriver. This will hold the shart still while you unscrew the impeller. The shaft seal is a precesion part so be careful when replacing it.
Let us know if this helps, Robert

May 16, 2012 | Craftsman 1 - 1/2 Hp Pool Filter Pump

1 Answer

STA-RITE 5P2R-125G with 0.75 HP motor. Had bearings in motor replaced and was advised that shaft seal is also replaced. Now have a leak from the motor side of the seal plate at the bottom. They replaced...


the absence of the copper cone will not cause a leak, however, there is a different shaft seal that needs to be used in lieu not having the copper cone installed.

If the impeller is damaged or cracked, that can cause a leak at the shaft seal. If you replace the impeller, the shaft seal will most likely need to be replaced as well.

Feb 23, 2012 | Hayward 1 Hp 2 Speed Super Pump Inground...

1 Answer

There is a leak from the front on the pump. A steady drip but the cleaner is still moving and working properly. The front is held on by a number of 1/2 or 3/8 inch nuts. The drip is from the other end...


I recently had this happen to a fairly new pb-4 that ran dry and overheated for about an hour before I noticed it. I disassembled the volute and impeller on the front of the shaft to look at the condition of the impeller and shaft seal. There are several youtube videos that detail the shaft seal replacement. I ended up having to replace the impeller as well as the shaft seal due to the impeller being deformed. Cost me about $35 for both the impeller and seal.

Jun 17, 2011 | Polaris Pb4 - 60 Booster Pump

1 Answer

Polaris pb460, replaced the impeller and seal. motor binds when the impeller is threaded all the way.


This means that one of the 2 pieces of the shaft seal are not seated all the way. More likely the part on the seal plate. Make sure you use a non petroleum based lube to seat the shaft seal.

Dec 28, 2010 | Polaris Pb460 Polaris Booster Pump...

1 Answer

I am having difficulty removing the impeller on my Polaris PB4 Booster pump. I removed the seal plate and held the motor and attempted to turn the impeller counterclockwise. Can't get the impeller to...


For an impeller really stuck on the motor shaft you need to pull the motor thru-bolts and remove the rotor with the pump still attached from the stator. Lock the rotor in a vice and turn the impeller off with a large set of channel locks or a large strap wrench.

John

Nov 07, 2010 | Polaris Pb460 Polaris Booster Pump...

1 Answer

How do i remove impellor from maxiflo a7134075 spa booster pump? pump assy is leaking & i need to replace seals!


cut power to pump.... pull of rear cover... ther e should be a shaft in the middle of the back of the motor... you will need a wrench or channel locks or something like that to hold shaft in place... then unscrew the impeller while holding this shaft

May 20, 2010 | Pool & Spa

1 Answer

How do you take off motor


1. Disconnect the booster pumpset from the power
supply.
2. Take the pump frontcase off by taking the bolts
holding it.
3. Take the pump impeller from the shaft. This is
either bolted or screwed to the shaft that is
actually an extension of the motor.
4. Carefully take the mechanical seal off from the
shaft.
5. Unbolt the pump backcase, from the motor,
6. Now you have the motor separated from the pump.

Nov 16, 2009 | Grundfos JPS4 1 HP Pressure Booster Pump

1 Answer

I have a Polaris PB4-60 Booster Pump with a leaking seal. I have removed the Volute and removed the 4 bolts that hold the bracket to the motor. How do I remove the impeller? At the store they told me it...


You need to lock the other end of the motor shaft and then spin off the impeller. If you would like a quote on the replacement seal, contact us at www.arrowpools.net

Jul 11, 2009 | Polaris Pb460 Polaris Booster Pump...

1 Answer

Seals are leaking on my PB4-60 pump


o.k. we will call impeller front ok ? take back cover off look at end of shaft slot for screw driver? put screw driver in slot turn impeller off .

Jan 22, 2009 | Polaris Pb460 Polaris Booster Pump...

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