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
  • 3,539 Answers

Make sure thruster is at 11:00

Posted on Apr 23, 2016

6 Suggested Answers

  • 1 Answer

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

  • 128 Answers

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

  • 128 Answers

SOURCE: Polaris 380 wont run when vertical

The drive belts are loose. Replace the drive belts are at least take the cover off inspect and tighten. The adjustments are the axle blocks. Tighten to where there is about an 1/8" tension while lightly pushing on the belt.

Posted on Aug 30, 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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Polaris 340 goes in circles


make sure output of unit is aimed at 11:00

Apr 10, 2014 | Polaris 380 In Ground Pool Cleaner

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Hayward great white just spins in circles


Could you clarify the exact model? The picture shows a Polaris 380, and the Great White is built by Sta-Rite/ Pentair,(now sold under the name Kreepy Krauly), not Hayward.
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Sep 15, 2013 | Polaris 380 In Ground Pool Cleaner

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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.

Nov 07, 2010 | Polaris 3900 Sport Pool Cleaner ()

1 Answer

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.

Sep 21, 2010 | Polaris 380 In Ground Pool Cleaner

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My polaris280 runs in circles and the tail does not want to stay behind the polaris


there are several things that may cause the unit to run in circles. #1 never roll the hose when the unit is out of the water. Infact every year you should remove the entire unit from the pool and lay the hoses straight on the deck in the warm sun light. 1 to 3 days is usually enough use rocks if you need to in order to force th hose to stay straight. the hoses have memory and when you roll them up and lay them outside the pool this starts the problem. you also need to see if all three wheels turn in sequence. you can grab ahold of the single wheel on the left side and be sure it spins forward and backward without resistance. additonally the right front wheel should spin at the same time. there is a gear that runs between both front wheels and when the booster pump runs the gears spin and turn the front wheels. the back wheel turns from the tension placed on it by the small wheel between the two tires on the right side. over time the metal gears can wear out the plastic grooves inside the large wheels. if there is too much wear on one of the wheels you can remove one of the front tires and swap it with the back tire since it does not need the gear or grooves to turn. another issue is the directional jet located under the fitting the whip hose attaches. this uses the water pressure to direct the unit in different directions if the nipple is pointed to 12 noon this causes the unit to climb more 6 am will limit the climbing the urge. when pointed to the left it cause the unit to vere to the right and vice verse. 808-871-POOL

Aug 29, 2010 | Polaris 280 In - Ground Pool Cleaner with...

2 Answers

My Polaris 3900 Sport Pool Cleaner's doing tight circles in the pool because the single left-side wheel is not turning at all, while the 2 right wheels are turning normally. How do I fix it?


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 :-)

Aug 21, 2010 | Polaris 3900 Sport Pool Cleaner ()

1 Answer

Sweep hose end keeps getting sucked into bag, any suggestions how to fix?


turn down the pressure at the adjustment screw on the side of fiting where hose connects to unit. then move the wear rings to differenct positions on the hose. you may want to cut the hose shorter as a last resort. unattach the sweep hose from the unit and let it sit in the hot sun for a few days then stretch it out straight while setting in the sun alot of the time the problem because it was never layed out straight from the time it was removed from the box and installed in the pool all the cleaner hoses have memory and you should never loop them at all infact once or twice a year I remove my cleaners from the wall fitting and lay the polaris in its side two wheels and stetch all hosese straight then let sit in warm sun for a few days to a week this will soften the hoses and keep them from wanting to let the unit go in circles and loop the hoses make sure all the swivels are pointed in the right direction there is a little arrow engraved in side of hose swivles the water should flow in the direction of arrow. make sure mender nuts are secure periodically

May 13, 2010 | Polaris 280 In - Ground Pool Cleaner with...

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My P380 moves around the pool but does not pick up debri...


Make sure the wall screen is clean. It sounds like you are missing the wall fitting screen. If this is the case you have debrie in the unit and it has plugged the water management system. Take the cover off the head and clear all the jets where the hoses connect.

Aug 26, 2009 | Polaris 380 Automatic Pool Cleaner with...

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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