Question about Polaris Pb460 Polaris Booster Pump Replacement Impeller

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Cleaner slow stops too many times wheels dont turn untill thrust valve operates

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Check the filter at the hose connection at the pool wall. Sounds like low pressure to the turbine.

Posted on Dec 01, 2012


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Sport 3900 is doing wheelies will not stay level to clean

1. Check the wheel RPM. If not in the 30-36 RPM range, refer to the manual for adjusting the wheel RPM.

2. Adjust the thrust jet downward.

3. Verify the backup valve is cycling. Lift the valve out of the water and watch the jet. It should come on and go off.

4. Check for water inside the head float.

5. Empty the filter bag.

You can download the 3900 Manual from the Polaris site

It will show you how to check the wheel rpm and how to adjust the thrust jet and check and adjust the float.

Jul 06, 2014 | Polaris 3900 Sport Pool Cleaner ()

1 Answer

How many jets does the 380 have that may need to be cleaned, I see 3

It sounds like you have a clogged drive turban jet or an internal hose has popped loose. I normally tell people to double check the backup valve to verify that it has been installed the right way (widest part toward the wall,)
There is a total of 6 jets, three vacuum jets blow debris into bag, one thrust jet bows water out of the nozzle on back of unit, one drive jet that operates the drive gears and one operates the sweep tail.
It is best to disassemble down to the "water management system" listed above and rinse well, shaking it in all directions. Any small debris can clog the jets, including ants!

Feb 24, 2013 | Polaris 380 In Ground Pool Cleaner

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All wheels on 3900 do not turn together. How do I fix this.

The first step that you should take if your pool cleaners wheels are not turning correctly is to check the wheel RPM. It should be between 30 and 36. If it is lower than 30, open the adjustable valve (if you have one) on your return line to allow more water flow. Also, make sure that your filter, skimmer, and hoses are clear of debris and do not have any leaks or cracks that could change your suction and lower wheel RPM. Finally, you can remove the blue restrictor disk from the UWF.You might also need to adjust your thrust jet if it is causing the cleaner to move more quickly on one side.

Apr 06, 2011 | Polaris 3900 Sport Pool Cleaner ()

1 Answer

Overall poor performance 1. does not go to both sides of pool 2. either hangs up on stairs or after adjusting sits and spins on stair / sides 3.

If the pool cleaner does not cover the entire pool, check the hose length reaches within 6" of the farthest point of the pool. Set your thrust jet for 11:00 position. This will optimize random turning. If it is hanging on the stairs, check the pool cleaners wheel RPM. It should be between 28-32. Verify that the back-up valve is cycling.

Feb 19, 2011 | Polaris 380 In Ground Pool Cleaner

1 Answer

When new both front wheels pull together. now just 1 and it wears the cover for the wheel guick.

Make sure that your pool cleaners back up valve is cycling properly. If it is not giving you the proper thrust, the wheels will not turn in unison. Also, if one of your wheels is showing excessive wear and tear, that will cause this problem and the wheel will need to be replaced. Make sure that your RPM is not too high (causing one of the wheels to leave the floor) or too low (so that the wheels do not turn properly).

Feb 08, 2011 | Pentair White/Gray Legend Platinum...

1 Answer

My polaris 3900 moves across the pool with the front wheel of the bottom, the wheel on the 1 wheel side and the back wheel are on the bottom.

Check your wheel RPM. If the pool cleaners RPM is over 32, reduce the water flow so that the cleaner makes proper contact with the pool's surface. Verify the back-up valve is cycling. Lift the valve out of
the water and watch the jet. It should come on and go off. You might also need to adjust your thrust jet if it is causing the cleaner to lean too far to one side.

Oct 11, 2010 | Polaris 3900 Sport Pool Cleaner ()

1 Answer

My polaris won't climb the walls and stays on his left two wheels.

Make sure that your hose length is long enough to cover the entire pool. This sounds like common sense, but it is often the problem. Make sure that your thrust jets are working properly. Turn the cleaner over while it is operating. You should see 3 distinct thrust jets. Check to see that they are all working. Remove the head float and shake it. If there is water in the head float, you will need to replace it. This is also a common problem with these pool cleaners.

May 27, 2010 | Polaris 380 In Ground Pool Cleaner

1 Answer

I have a 1989 accord lxi with 130000mi. the idle started fluctuating from 700-1600 rpm when the engine is warm and has been driven a while, sometimes i can get it to stop by reving the engine. i cleaned...

generally cleaning the idle air control valve does not fix the problem, because the dirt or carbon deposits causing the problem is not were you can see it. It usually is in the valve stem and housing and you cant get it clean like it needs to be. Replace your idle air control valve and this will fix your problem

Oct 11, 2009 | 1989 Honda Accord 4 Door

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