Question about RTO Letro Jet Vac Automatic Pool Cleaner without Booster Pump

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My jet vac falls over and goes around in circles will not

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WHEN JET VAC HAS FINISHED CLEANING AND STOP THE LEAVES ETC FALL OUT OFF THE BOTTOM


The bag is supported by the jet of water shooting into it. When the pump stops, the jet stops and the bag should fall over sideways, retaining the leaves. I'm curious, Letro was bought out by Pentair 10+ years ago and the Jet Vac was discontinued. Also the description says that this cleaner runs without a booster pump. Every Jet Vac I have ever met runs with a booster pump. Are you sure the installation is correct?

Nov 14, 2014 | RTO Letro Jet Vac Automatic Pool Cleaner...

1 Answer

Jet vac will not move around the pool


Does pump work?
if not, then it's a pump problem.
If yes, then possibly plugged with debris either in the booster pump impeller or at the finger screen?
It's located at the wall adaptor.
Or... The internal gear assembly is the problem?
Sometimes the get stuck, broken tooth on an individual gear, or foreign debris clogging it.

Feb 11, 2014 | Pentair Jet - Vac Pressure Side Inground...

1 Answer

My cleaner doesnot come out of the deepend and circles toth left


These automatic pool cleaners are pretty easy to troubleshoot. Make sure that the finger screen and energy filter are not dirty. If clogged or obstructed, both of these can cause the cleaner to go in circles and stall. Make sure that the backup hydro-timer is not releasing most of the water out of the discharge hole. If it is, you will probably have to replace the defective jet gear assembly. Make sure that the transporter jet is not plugged and that the debris chamber and hose are not obstructed.

Jun 02, 2010 | Jandy Ray Vac Pool Cleaner for Inground...

1 Answer

Goes in circles


you have a clogged line. disassemble and clean it very good
it should work fine after cleaning all ports out

May 24, 2010 | Jandy Ray Vac Pool Cleaner for Inground...

1 Answer

Ray Vac Pool Cleaner for Inground Concrete: Our Ray vac worked well for years but now it tends...


If your automatic pool cleaner is going in circles, you might want to check your backup hydro-timer. If it is releasing most of the water out of the discharge hoke, you might need to replace the defective jet gear assembly. Also, make sure that the transporter jet is not plugged. Check your hose to make sure that there are not any obstructions that would prevent proper movement.

May 18, 2010 | Jandy Ray Vac Pool Cleaner for Inground...

1 Answer

Our Jandy Rayvac is around 5 years old...has been working fine. Recently it started going in circles and won't clean the entire pool just a circular pattern. Do you think I need to replace the swivels?


probably not...usually, this is just a dirty filter...i f that's clean, then try cleaning the propulsion jets w/a paper clip...also, if you've modified/cut away any hose over the years, that can screw up the geometry too and cause circling...also, check for lineleaks and overall pressure (~20psi usually, go higher if needed to avoid circling), and be sure the backup valve turns off when not backing up...if overall pressure is too low due to leaks, etc., it will circle.

May 11, 2010 | Jandy Ray Vac Pool Cleaner for Inground...

1 Answer

RAY VAC GOES IN CIRCLES


Change the pusher hose, the pusher jet, and the pusher jet sleeve. These are the first things coming from the end of the unit toward the wall. If you replace all of these parts and it continue to circle, change the front wheel.

Aug 10, 2009 | Jandy Ray Vac Pool Cleaner for Inground...

2 Answers

I have the problem of the circling Ray Vac. And I haven't seen any solutions here. What's wrong, and what do I have o do to fix it?


PRESSURE is King. After taking apart my entire Ray-Vac and hoses, nothing seemed to fix my circling problem. I finally performed a full cleaning of all my mechanicals, especially the paper filter. I noticed a significant improvement in my water pressure and my Ray-Vac starting running all over the pool again doing her job like she used to. So, the Ray-Vac is very sensitive to water/jet pressure. Check your filter system. You want the most pressure you can get of out jet where you connect the Ray-Vac. This completely solved my problem.

Jun 07, 2009 | Jandy Ray Vac Pool Cleaner for Inground...

1 Answer

Jet Vac stops moving around the pool


every pool has a dead spot where the vacume gets stuck! expesially when the vacs get a little age on them! juist keep an eye on it and work with it! or replace the vac!

May 26, 2009 | Pentair Jet - Vac Pressure Side Inground...

2 Answers

Ray Vac moving slow, circles deep end, sticks on side of pool


I have the same problem and the best solution is to repair/replace the hydro timer kit. It has inner gears that are plastic and wear down and doesn't rotate through the cycle of water flo that changes it's direction. I'm in the process of exhaustive repair and I'm going to replace the hydro timer - (inside part only) and then see what happens. Moving the gears did change it's moving patterns tho.

Dec 19, 2008 | Jandy Ray Vac Pool Cleaner for Inground...

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