Question about Polaris 380 In Ground Pool Cleaner

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Polaris 380 circles to the right

My Polaris 380 is circling in a pretty tight loop, going to the right all the time. I just replaced the tires and drive belts, so the wheels seem to be working well. The float seems OK (no water in it when I shake it). I adjusted the jet on the back to compensate to push it left, but it doesn't seem to matter.

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  • Polaris Master
  • 8,502 Answers

Make sure thruster is at 11:00

Posted on Apr 23, 2016


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: Older Polaris doesn't sweep

pantera ll by wicor sand filter distributes the sand back into the pool, what could the problem be?

Posted on Jun 02, 2009

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SOURCE: Wheels on polaris don't turn. Is there a way to tighten belts

Replace the belts.($30) Tighten with an 1/8" play. Also check the wheel bearings. If the wheels wobble they also need to be replaced

Posted on Aug 23, 2009

  • 990 Answers

SOURCE: My polaris 380 wheels won't turn. the belt is

If the wheels don't turn there may be sand in the notches on the wheels, the notches may be worn off, if their is sand or dirt in the paddel wheel jet that will keep the unit from turning and again no wheel movement. All of these problems they can check in your local pool store. Stores will generely check your unit out and fix what is needed for just the price of parts to fix it when you bring it into the store.
If you have no water flow to the unit this will also stop things from working so be sure to check your finger screen before you do anything.

Posted on Aug 25, 2009

  • 10 Answers

SOURCE: Polaris moves in circles

Check the football looking ballast float on the back of the cleaner. You want make sure it has no water inside of it. You can pull it off and shake it next to your ear. Link to Head Float.

Posted on Nov 03, 2009

  • 1 Answer

SOURCE: My Polaris 3900 Sport Pool

I had a similar issue. When I lifted the unit out of the water while it was operating only the single wheel was rotating. I turned it off and removed the bag and hose. I flipped it over on a workbench and unscrewed the three recessing screws securing the base plate. Once the plate was removed I noticed the metal chain driving the two wheels had come off on the far side of the inner sprocket. I worked the chain back onto the sprocket and tested it by rotating the single wheel and verifying the other two wheels rotated. After reassembly I put the unit back in the pool and it drove straight and high on the sides. Hope this helps someone :-)

Posted on Nov 25, 2012

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It goes in circles. It just makes tight turns on the bottom of the pool.

A cleaner going in circles is an indication of a problem with the drive mechanism on the same side as the unit turns. If cleaner uses drive belts, check them for tension or wear. If direct drive, it may be either the drive linkage or a damaged/worn impeller. Unless your are confident with repairing the unit yourself, this is a job for an experienced pool equipment technician. You can still troubleshoot the problem by running the unit on its side in shallow water and observing the relative drive speeds on each side.

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Machine keeps going around in circles jet at back is going straight back?

Few different things can cause this. Wheel bearings can be bad, tires worn, teeth on gears inside wheels stripped or broken, or the teeth on drive shaft worn or broken. Low pressure or clogged line can also cause to run sparatic, but not necessarily in circles. Most likely problem is with bearings, or wheels. Check these closely for problems. Most pool stores with check it and replace parts (that you purchase) for free.

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1 Answer

Polaris moves in circles

Check the football looking ballast float on the back of the cleaner. You want make sure it has no water inside of it. You can pull it off and shake it next to your ear. Link to Head Float.

Jul 05, 2009 | Polaris 380 In Ground Pool Cleaner

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