Why isnt my pool vacuum moving?

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mando

I have a suction powered automatic pool vacuum. Its hooked up to the skimmer of my in ground pool that doesn't not have a main drain or other inputs. I dont have any levers that will redirect suction or anything so the skimmer is it. The pump i have is a hayward 300 lb sand filter. The PSI it runs is a little over 20. Earlier this year the vac ran for a few days now it just sits there and i know it has too much suction cuz its hard to move off the plaster. What can i do?

Answer
The pool cleaner should pulse as it vacuums which is what makes it move around. No pulse means no movement. Could be the skirt also.

What is the best automatic pool cleaner (sweeper)?

Terry N

I have an inground pool and hate to vacuum the pool. What is the best one out there?

Answer
The absolute best would be a booster pump powered Polaris, any model. If your budget doesn't allow spending 1800 bucks then my vote is for both the Kreepy Krauly and the Hayward Navigator. Both have their strengths and weaknesses and a lot will depend if this is a concrete or vinyl pool. Kreepy's have a tendency to plow through just about anything, but they also tend to get stuck on many pool shapes unless you purchase the optional back up device for them. The Navigators don't tend to get stuck, but they are also not as adept at climbing walls or powering through heavy debris.

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What a the best quality automatic pool cleaner (vacuum) I can buy for the best price?

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NicMar

Looking for the best system but for the most economical price. Most of the automatic pool cleaners I've found online are around $400, anyone know of a good one I can buy for significantly less?
Thanks in advance :)

Answer
Calsplash Pools do one at around $270, or Aquabot, but not sure how much they cost.

What automatic pool vacuum works the best?

bigredgevo

I want to buy an automatic pool cleaner and researched many. I came to a conclusion to either get a Polaris or Hayward. I saw many Haywards for sale on eBay and they complained that it gets stuck because of the shape of their pool. So now I am looking to get a Polaris 280. Can anyone explain the difference between Polaris 280, 360, 380, and basically all the numbers? I just need a pool vacuum that will do the job without me having to interfere with it.

Answer
Above ground pool or in-ground pool.
If it is an above ground pool, go for the Hayward BUG.
In-ground pool cleaners, I would have to say Hayward or Kreepy .
The fewer working parts the better.
All of these robots can get stuck, in some pools.

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Pool automatic chlorine feeder not feeding, can I fix it?

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ajith t

I have DE filter pump
It has a 1&1/2 feet tall automatic chlorine feeder two years old. It is not feeding the chlorine tablets I put in it. It was working until few months before. It is on position. Water fills in it when the pump on but the chlorine tablets remain same level for ling time now. It is Pentair model 320
Why? Can I fix it?

Answer
Hi There,

the device works by flowing a controlled amount of water into the device, through the chlorine tablets then back into the pipe ( through the control valve) then to the pool.

You can probably fix the chlorinator yourself by shutting down the pump and letting the water drain out.

Next remove the chlorine tablets and look inside for a clogged screen or possibly the check valve is plugged.

Note:The device should fill with water when the pump is turned on through the check valve but the check valve should not let the water go back down when the pump is turned off.

It is very possible the chlorine control valve has small bits of tablets or dust, dirt , etc that is not letting the water flow normally through the tablets and out through the outlet tube.

I am sure that when you clean everything out, check the screen and control valve and make sure the check valve lets water in but not out you will solve the problem.

Hope this helps,
Al

What happens if pesticide gets in a swimming pool?

M W

A diluted amount of LAMBDA-CYHALOTHRIN got in my swimming pool. It is an over the counter pesticide to control ants, mosquitoes, beetles etc . A sudden wind gust drifted some of the pesticide in my swimming pool.

Answer
If it was a small amount and you are running a filter, it shouldn't be a problem. I would run the filter for at least 24 hours straight and brush the sides and bottom of the pool every few hours to stir up and remaining pesticide. If you have an automatic pool cleaner, you will also want to run it to help stir the water. You might also want to shock the pool.

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how to clean my pool at home with only the cleaning tablets.?

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mom

i have a 12'x30" pool it holds 1,718 gallons of water.the pump filters 530 gallons of water per hour. the pool by morning is green and slimmy. the bottom of the pool is covered in green and brown crud?

Answer
Cleaning your pool is a must to ensure bather comfort and protect your equipment. How to clean your pool is simple, and we've asked pool professional John Kistler to fill us in on the whys of pool cleaning.
Instructions
Difficulty: Moderately Easy

Steps:

Step 1 Use a manual brush and pool vacuum on all areas of the walls and floor at least once a week, even if your pool is equipped with an automatic system, says John Kistler of Sunflower Pool & Spa in Salina, Kansas. There are some places in every pool that the automatic cleaning systems miss.

Step 2 Pay particular attention to corners, stairs and other hard-to-reach areas that get little circulation.

Step 3 Keep your pool maintained. A clean pool is also a function of a working filtration system and proper pH levels. Use a sanitizer to help fight bacteria, and shock the pool on a regular basis (see How to Shock a Pool) to help keep it clean and crystal-clear.

With the power behind kitchenaid mixer motors, why do you think they do not turn off when the head is tilted?

John

I just tried to remove an attachment from a Kitchen Aid mixer and, not realizing what button/knob to push to loosen the attachment, turned it on with my hand on it. It yanked my hand pretty good and luckily damage was not worse but the whole incident makes me question...

The motor inside the mixer is (and needs to be) very powerful. Why on earth hasn't Kitchen Maid added a safety switch to the tilt head so that the mixer cannot be powered when the head is tilted up? Is there some need to have the motor on with the head tilted? I've seen plenty of power tools with far less power which have far more safety designed into the product.
While I appreciate Tom's answer below, there are a few things I take issue with.

1. Virtually every engineer, executive, secretary or janitor working for Kitchen Aid knows the following:

a. Most owners of the mixer will NOT unplug the unit each and every time attachments are changed.

b. All members of a household in which a mixer is present will not have read the entire operating manual.

c. People often make mistakes for a large variety of reasons.

and....

2. Error-proofing the mixer such that the motor cannot run when attachments are being changes is entirely possible.

After working extensively with both American and Asian automakers, one of many cultural difference I've noticed is what Tom stated. The Asians do not look at error-proofing and think "it can't be done," they look at it and think "it can be done, and if it is already being done, it can be done better."

Anyway, I digress. From reading this I think the answers to my question
I also find it amusing that electric mixers are a top contender when I search for "most dangerous kitchen appliances." Maybe it simply is because engineers cannot and will not make them safer.

Answer
It's impossible to idiot proof everything. Why would you work on any power equipment with power still applied? Especially since the operating manual specifically says never to do that.
You have a large brain that should be sufficient to protect you from this sort of mishap.
You're essentially asking how to protect you from yourself. Can't be done.

It's not a defect... you ignored the instructions. It's like crawling under a car when all that's holding it up is the jack and you didn't place jack stands like you're supposed to. Ignore the common sense part and no one can or will protect you.

BTW, what power tool with far less power has more safety designed into it? Hand drills are very powerful but there is nothing to keep them from energizing while changing bits. Same with my drill press. Nothing to keep it from starting while I have a chuck key inserted.
Can't get any safer than disconnecting power... like you were instructed to.

Direct from Kitchenaid:
"When using electrical appliances, basic safety precautions should always be
followed including the following:
1. Read all instructions.
2. To protect against risk of electrical shock, do not put mixer in water or other
liquid.
3. Close supervision is necessary when any appliance is used near children.
4. Unplug from outlet when not in use, before putting on or taking off parts, and
before cleaning."

EDIT:
So what I am noticing is that you speak in generalities. You still haven't named that power tool with far more safety build into it, that you mentioned.
As far as pulling the Asian vs. American mentality card, that's a crock. Easy to say, but you can't support the statement other than with your own anecdotal statement. Nonetheless, this is NOT AN ENGINEERING problem or issue. An interlock would be easy. So would unplugging the machine before you monkey with it, but you didn't do that. The latter is less expensive and more practical.
Guess what would happen if there were an interlock and it failed? You'd be wanting to sue. I'm not so sure you're not intimating that already with this supposed "design defect".
Learn your lesson already... keep your finger out of the light socket. (there's no interlock there, either)

Your statements about what "most owners" will or will not do are also unfounded and unsubstantiated. You made that up, too.
If you can't/don't follow instructions then THAT'S YOUR FAULT. Period.

I'm sick and tired of this mentality. Space heaters burn down homes all the time. So do matches. Or is is people using space heaters and matches that burn things down?
A car can be put into forward gear and the throttle stepped on even if when there's a store front full of people in front of you. GASP! Why aren't engineers doing something about that?? Surely the Asians have noticed this looming danger and are all over it!

The MOST dangerous thing in your kitchen is YOU. The fact that you and most of your friends (not most people) choose to ignore instructions, warnings, and cautions actually gives me hope for humanity as some of those genes will soon be removed from the pool.

Maybe all applicances should also have GFI built INTO them in case some idiot who wants to make toast next to his hot tub plugs it into an extension cord that's not on a GFI circuit?
Maybe toasters should have automatic doors on them to keep people from sticking butter knives into them while they're plugged in?
You getting the point yet? Probably not.

The bottom line, that you don't like and won't accept, is that there is NO TREND of people being injured by their stand mixers. The mixers that are the most dangerous are the hand and wand mixers with high-speed exposed blades. (you failed to research that before you listed "electric mixers" as a dangerous kitchen appliance) Perhaps that's the part that amused you.

Get a grip and stop blaming everyone for not protecting you from yourself. It can't be done and should not be done.
You couldn't figure out which button to press so you fumbled with it plugged in. Not good.... and contrary to what you were told not to do.

Here's another: Don't drive on the left side of the road in the US. It's not safe. There is nothing to stop you from doing this, even though the car has a lot of power. Just don't do it.

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What do I need in order to clean a pool?

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The Super

It is a heated gunite chlorine pool. I have no experience with pools.
Need to know everything from proper chemicals to cleaning equipment. The pool is already open and swimmable, I just need to keep it clean and maintain it. Possibly close the pool at the end of the season.
I don't have any equipment except for the automatic filter that is currently running.

What about those automatic pool vacuum things?
Thank you for your help
Also, if you could point me in the direction of cheaper places to buy the supplies, like online vendors. I'm in New York.

Answer
I would start out with a good water test kit, preferably a liquid drop type. I feel they are much more accurate than the test strips.
Secondly, get some pool tools: a pool pole, net, brush, vacuum (either an automatic unit or a manual vacuum head,and vacuum hose).
Then you will want chemicals. I would suggest talking about that with someone from a local pool company / store. Some chemicals work better than others based on your region.
Lastly, you might consider getting a lesson in pool care from a REPUTABLE pool service company. Check out: Yelp.com, angieslist.com or Google maps for reviews.

I personally do something like that for my customers. I call it "pool school". It generally takes about an hour or so, to go over the basics of pool care. Bring a pen and paper for note taking.

Asking price for a 27 foot above ground swimming pool?

Dain K

I have a 27 foot above ground swimming pool (3 years old) that I am trying to sell. It is in very good condition with a pump/filter, solar and winter covers, and accessories such stairs and automatic cleaner. The liner is fine now, but it may need to be replaced when torn down, but no idea. Is $1500 too much to ask? $1000? $500? I'm clueless on this.

Answer
Dain, i already answered your question on this with your other question when you referred to your pool as a 24 foot Round pool.

I gave it a second thought after posting, and seeing this message, IF you want to sell your pool, or get rid of it, you might want to post an ad for used pool equipment. A Pump/motor usually goes for 3-400 bucks, and the filter could be a few hundred more, but the equipment is used, so if you get someone to buy it for 500 dollars you should consider yourself lucky. Place an add for the equipment, and as a bonus they can have the pool for free. you might get a taker, But refer to my other message where i talked about liability. You don't want to be held responsible when the pool leaves your yard, so should something happen in 2 weeks, whether it is faultyequipment or improper installation, just make sure you dont get caught up in it.

It makes no sense to try and make a few bucks back on your pool that is 3 years old, and then by some string of bad luck, have someone come knocking on your door looking for damages because the ladder or steps failed and someone got injured. Sure it could be from the new owner installing equipment improperly, and you have no control over it, But is it really worth the hassle? Sell your used equipment, people will buy it. Especially now where people are going to have equipment failures and problems from the past winter, and dismantle your pool and put it on the side of the road, i guarantee someone will load it and take it away, even if there is no equipment.

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Planning on having a pool built in back yard?

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russrimm

So I'm finally going to do it. I have wanted an in-ground gunite pool all my life. I had a couple of builders out to measure and due to utility easements and sewer lines, etc, I can only get about a 10' x 30', not sure how big that is really, still have to 'map it out' in the yard. So my questions are - what options should I get? Is the colored luminescent light worth it? I'm thinking of getting the salt-water chlorination system as well. What about 250,000 BTU vs 400,000 BTU for the hottub? Any kind of 'arc fountain' type things? What's worth it and what's not? Is Jandy or Hayward better for pump/filter/automatic pool vacuum? Would it be worth it for me to pay an extra $500+ to have my sewer line re-directed?
P.S. I'm in Houston, TX

Answer
It sounds like money isn't that impotent to you so go for your dreams.

I like the fiber optic lights they are very nice. Save your money on the heater & go with the cheaper one, onece it is heated eather will maintain it at that size. Most people don't buy a heater at all & the ones that do most of them dont run them because it cost to much & thay don't use the pool enough to make it worth while. The sewer I would think thay would rerout it for free if you suply the pipe & cupplers to be able to sell you a bigger pool(it wouldn't hurt to ask since thay have to dig it up to start with or just have them dig it up & you lay the pipe). Go with the best filter he sells that you are willing to pay up frount for it will save you in chems & services in the long run. I would also like to add if you have seen the frogs & turtles that hook to the jet & swim around & clean your pool you should get one(This is the auto pool vac). These seem very expencive for what they are but most people don't have the time or disaplin to clean there pool & this will help alot. You know with that green look or the dirt on the bottum that you keep saying you will take care of tomarrow. One last thing get a very good pool cover. This is the most inportent part aside from the water & just after chems.

Have fun & good luck.

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Will a sump pump get dirt, sand and debris out of the bottom of an above ground pool ?

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Foxy

I HAVE A 18 BY 4 FT. METAL FRAME POOL FROM WALMART & THE PUMP ISN'T STRONG ENOUGH TO RUN AN AUTOMATIC POOL CLEANER. THE WATER IS CLEAN, BUT THERE IS DIRT OR SAND IN THE BOTTOM THAT I CANNOT GET OUT. ANY IDEAS??

Answer
no it will not , it will only clean the water,same as your pump, you will have to drain it and with about one fourth inch of water in it use a wet and dry vac. to really clean it good

What Herb or Vitamin for Energy Is Best. I have pulmonary fibrosis?

barry l

Have had pulmonary fibrosis since 1999. My O2 blood oxygen level has been running 92% at the Doctor's office. I tell the Doctor it's not fair to take it when I have been resting in his office. I just want to sit here and watch TV or play poker on the computer,, no energy at all. My family depends on me to get stuff done. My wifes knees are shot. We are both 57. We have an inground pool that is getting harder and harder for me to open, close and keep up with. My family only knows I'm out of breath when I come in from working outside, they don't know how bad it is, except my daughter pulled me out of the trash can I passed out and fell in. Along with taking care of the yard, trimming my trees, normal home owner stuff, I'm shot if I exert myself. Sometimes the entire next day. I cant afford to have a pool boy and a lawn service.

Would oxygen give me more energy? My Doctor said he doesn't want to get me started on oxygen yet because I will become dependent on it. I'm sure it gets lower than the 92%, resting at the Doctors Office. I don't even have energy to get any exercise. When I bend over I get light headed, if I walk, I run out of gas. The thing is last year I was doing some walking and felt a little better, it has been a long winter here. I have gotten no exercise since last year, except running the snow blower. If I start coughing hard I pass out and wake up not knowing where I am for a few seconds. I have learned how to live with that, just don't cough, no matter how bad I need to. Ride it out and cough gently,, that works. They gave me prednisone, some ungodly amount 4 times a day, that I threw away 10 years ago... I started taking Oils after dinner every day,,, 2, 1000 flax oil gel caps, a 1000 Vitamin E gel cap, a fish oil 1000, an aloe vera (the biggest GNC has) and a Caltrate or OsCal. Sometimes, not always, I use an albuterol inhaler when I feel short of breath.

For example, my Grandson called this morning wanting to go swimming on no notice. We live in Michigan and have a short swimming season. I just got it opened a week ago but it's dirty again already. It's hard because it's surrounded with pine trees. The needles are always on the carpeted pool deck and I have to wash it off with the hose and the pool needs to be vacuumed again. Take the solar cover off full of water and put it back on... I had to tell my grandson no, now I feel bad. I don't have an automatic pool vac, I have to do it the old fashioned way, with a pole. Once I get started it's not that bad. I made some extra strong coffee and drank it till I'm bug-eyed and I still don't want to clean the pool or do anything.

So,, what herbs can I take that will give me a kick in the pants to get me started and maybe help my 02? I hate the jitters. I asked the Doctor what I could take and he said they stopped giving energy pills out in the 60's. Cheap Vitamin B12 from WalMart makes me jittery. It's only too bad the herbs are so expensive. Again, sorry to be so long, I could just use a little advice here. I feel absolutely lost and overwhelmed.

The pulmonary fibrosis came from my job as a Dental Technician. We used miles of asbestos, tearing it off a roll, sending dust from it into the air, then after burning it out at 1800 degrees or so, you use a hammer to break the mold for gold or metal crowns, surrounded with the asbestos. That sends fried particles from the asbestos into the air.The asbestos was about as thick as 2 business cards and 2 inches wide. I used that from 1969 until 1983 when they came up with a substitute. Then I had to sandblast the castings, that was really dusty using 60 micron aluminum oxide. It is so fine, if you throw a handfull into the air, it takes 3-4 minutes for it to all land. Also lots of plaster dust and grinding metal. I have also got a breath of muratic acid a couple times and blew out smoke. Anyways,, sorry, I just want you to see the whole picture. Sorry to be so long.

If you want, email me at kdsearsjr@hotmail.com
Thanks Winni!

Answer
Hello Barry I,
It is critical to optimize your immune system naturally with a whey protein in order to increase your energy levels and better fight off your illness.
Please visit my profile/blog/videos for more info on this. Feel free to contact me with any questions,
Good health to you,

Winnifred

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Swimming pool regulator valves?

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Patrick

I recently got a new automatic pool cleaner for my pool and it came with a few extras like a bunch of new hoses and a regulator valve that you connect to the the weir. What I'd like to know is whether these regulator valves actually do anything besides tell you how strong the suction is from your pool pump, and if so, what else do they do?

Answer
Depending on the model you purchased, the extra equipment will have a different function. You should include all the relative information like make and model and double-check the instruct manuals.

What happens if pesticide gets in a swimming pool?

M W

A diluted amount of LAMBDA-CYHALOTHRIN got in my swimming pool. It is an over the counter pesticide to control ants, mosquitoes, beetles etc . A sudden wind gust drifted some of the pesticide in my swimming pool.

Answer
If it was a small amount and you are running a filter, it shouldn't be a problem. I would run the filter for at least 24 hours straight and brush the sides and bottom of the pool every few hours to stir up and remaining pesticide. If you have an automatic pool cleaner, you will also want to run it to help stir the water. You might also want to shock the pool.

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How many Psi/Atm needed for a low pressure and a high pressure vacuum cleaners such as the Kreepy Krauler ones?

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Spida59

I was wondering how mch Psi/Atm needed for the high and low pressure pool vacuumes such as The Surfer Above Ground Automatic pool cleaner.
For A POOL Vacuum Cleaner (Above Ground automatic vacuum cleaner)

Answer
You can never have more than 1 atm in a vacuum system. Obviously the more vacuum you generate, the better it will clean. Most vacuum cleaners probably produce between 50-80 inches of water vacuum.

what is the best above ground pool automatic vacumn?

buddysher3

i have a 24 round pool what like some feedback on automatic cleaners there are so many choices

Answer
Have you tried doing the "sneaky" thing... call around to pool cleaners and ask them what equipment they use to clean the pools? If they have any recommendations for automatic vacuums? Trust me, as a house cleaner, if anyone calls me and asks for my advice as to what equipment I think is best, I wholeheartedly give them my recommendations.... both pro and con! I'm sure you can find some leads if you ask!

Good Luck!

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How many Psi/Atm needed for a low pressure and a high pressure vacuum cleaners such as the Kreepy Krauler ones?

automatic pool cleaners above ground image

Spida59

I was wondering how mch Psi/Atm needed for the high and low pressure pool vacuumes such as The Surfer Above Ground Automatic pool cleaner.
For A POOL Vacuum Cleaner (Above Ground automatic vacuum cleaner)

Answer
You can never have more than 1 atm in a vacuum system. Obviously the more vacuum you generate, the better it will clean. Most vacuum cleaners probably produce between 50-80 inches of water vacuum.

I just bought an above ground pool and I am trying to decide between 2 automatic pool cleaners?

pink

Which do you think is better the Kontiki 2 automatic cleaner or the Whale automatic cleaner? Any thoughts???

Answer
I couldn't really find any information on either of those.
Try this forum:
http://www.poolforum.com/pf2/archive/index.php/f-146.html

Or, here are some other cleaners to consider:
http://www.epinions.com/hmgd-Pool_and_Patio-Pool_Equipment-Cleaning_Supplies-All

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04 Mazda RX-8 First Car?

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Edgar

I'm thinking in getting an automatic 04 Mazda Rx-8 for my first car but I've read that it needs lots of maintenance and care but aside from that they have lots of issues. It has less than 35k miles on it and I think I can get it for 10 grand. Should I get it or look for other options.

Answer
I wouldn't usually recommend an RX8 as a "first car", but if you were to do so the automatic version would be the better choice as the 6 speed model is too powerful and twitchy for a novice driver. Way too many end up wrapped around a tree in the hands of novice drivers. The automatic version (especially the 04 & 05 models) have much less power and are more forgiving of a newbie driver learning the handling characteristics of rear-wheel drive. You can keep all your RSX's, Civics, and GTI's. They're all FWD and cannot EVER handle as well as a properly tuned RWD chassis.

Wankel Rotary engines do require some extra maintenance and care, but not a huge amount. More frequent oil changes (every 3000 miles/5000 KM) and Ignition component changes (plugs/wires/ign coils) are required.

Learning the "quirks" of the Rotary engine is required. Many of the reported problems you read about are from people who treat the RX8 as if it were just some everyday piston-driven car. It's not and it cannot be treated as such. A design limitation of the motor leaves it open to flooding much easier than a piston engine. If the motor is stopped while still running high-idle the excess fuel being pumped in can collect at the bottom of the rotor housings and thin or wash off the oil. This can results in loss of the seal between the housings and the apex seals on the rotors making the motor very difficult (or impossible) to start. There are a couple "de-flooding" procedures to learn or better yet prevent the issue from happening by ALWAYS letting the motor drop to low-idle (~900 RPM) before shutting it off. If it must be shut off cold you can rev up to 3000+ RPM and hold that for 10 seconds before shut down. This reduces fuel flow to "normal" while allowing any excess to burn off thus preventing flooding.

Another quirk is that the motor will build up carbon deposits easier. To prevent this you need to run the engine hard occasionally. Getting the motor up to red-line (while under load) frequently and when safe to do so really does a good job of this. "A Red-Line a Day will keep the Mechanic away" is a phrase every Rotary engine owner needs to know. A good, long highway run (6 - 8 hours) does this as well, so go for a long run on the occasional weekend. See the sights while cleaning your motor!

There is NO PROBLEM leaving an RX8 sitting for days at a time (contrary to C7S's post). I stored mine for 5 months every winter and for up to 2 weeks at a time while on business travel and NEVER had a problem starting my RX8 (which I owned for 5 years). You should disconnect the battery, though, if it's going to sit for more than 2 weeks as the electrical components will drain the battery. A weak battery CAN contribute to flooding because if it cannot start the motor the injected gas will pool as mentioned above.

One other note. 2004 was the first model year of the RX8 and as such did have more problems than later years (just like every new car). You will want to check to ensure all recalls were completed. There are some TSB's (technical service bulletins) that should be looked at as well. There was an upgraded starter TSB for the 04 & 05 models which spun faster and helped prevent flooding, for example.

Good luck on your decision. The RX8 is a great, fun car and there are a lot of owners that are quite passionate about this vehicle. Go check out the owners forum at:

http://www.rx8club.com

Over 300psi pressure in my Purex 3-cartridge pool filter blew cover off the canister.Filters were Clean. Why?

setonrock2

The pressure gage was pegged/stuck at 300psi. Previously under same conditions, i.e. clean filters, the pressure gage burst. This gage had a maximum of 60psi. On another occasion the 3/4" circulating lines that are about 2 feet below the pool water surface jettisoned water about 3 feet above the water surface for several seconds. Does anybody sell automatic (say 50 psi) pressure relief valves to prevent such dangerous operation? Can power disturbances-high voltage/frequency swings create such dangerous conditions? Being an electrical engineer I know that motor torque increases with increase with voltage and that motor speed increases with increase in frequency. These increases then can cause the pump to push more water through and if the water lines cannot handle the volume the result then could cause dangerous pressure to develop.

Answer
You must have some form of restriction in the outlet from the cartridge canister to cause such a pressure build up. Check that there is nothing floating around loose that could block the outlet. Are the outlet hoses flexible or rigid, sometimes the inner lining of a flexible hos can separate and block the hose. The idea that power frequency fluctuations would speed the motor up can be ruled out as if the frequency fluctuated enought to cause that to happen the Power Station Generators/transformers etc would all have tripped way before it could happen.

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Are there online instructions for swimming pool maintenance?

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caroll

Answer
I use an Aqualux system. For the last three years I have done nothing but keep the pH level balanced. Very easy.

http://users.iafrica.com/a/am/amos/aqualux.htm

(From the site)
Finally a few tips for effective pool care:

Dust, leaves and debris blown in by the wind quickly spoil the look of a pool, while the suntan oils, make-up, sweat from the constant use of swimmers escaping the heat, also mar the purity of the water.

Firstly, clean all the leaves and debris out of the leaf traps both in the weir and the sludge trap, because if water cannot flow to the filter, it cannot be filtered.

Do a good backwash. To get the filter reasonably clean one must backwash for at least 3 minutes followed by a 1 minute rinse. If backwash was not done for a couple of weeks, repeat this process twice.

The next step is to carry out the necessary water tests and correct pH if necessary. It is important to remember that correctly balanced water creates an unfavourable environment for bacteria to grow in.

Next, water level. The water level of the pool should be checked regularly. Dirt and leaves will not skim off into the weir if the level is not correct. If the water level sinks more rapidly than experienced with normal evaporation the pool floor and walls should be checked for cracks.

If an automatic pool cleaner is used it should not run continuously. It is just a water vacuum cleaner and therefore should only be used when the floor and the walls of the pool are dirty. The top 25cm (approx. 10 inches) of water is the area where bacteria flourishes and this water will not be filtered if the
cleaner is continuously in use.

Leaves and debris, not skimmed automatically because the pool cleaner is in constant use, become waterlogged and drop to the floor of the pool. Most pool cleaners have a pulverising action and when the debris is sucked up it becomes a sludge which dirties the filter sand much more quickly.

It is essential to run the filter for at least eight hours every day.

With an automatic pool cleaner this should be increased to twelve hours because of the restricted water flow through the pool cleaner and hoses.

Automatic in ground pool vacuum?

Jessica Ra

Hello everyone,

I was wondering which automatic in ground pool vacuum is good for cleaning?

I am looking for something cheap and reliable, anyone have any experience with some good vacuum cleaners which does the job.

Thanks,
Jessica

Answer
i own a pool company and your better automatic pool vaccums would be either a polaris or a creepy crawly but you can get them cheaper online then in a pool store. look under pool companies

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