Question about Hoover U6630-900 WindTunnel Bagless Upright Vacuum

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NO SUCTION Hello There is pleny of suction in the hose,but there is no suction when vacuuming.

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I fixed the very same problem about 15 minutes back. Mine is a 6660-900 but I believe all Hoover windtunnel uprights probably have the same basic design with minor differences. It has nothing to do with the belts.

When the vacuum is used with the hose, you are using it in the vertical locked position. When using on carpet, you step on a release tab/lever on the left corner of the deck. When you do this, a plastic gate opens diverting the vacuum (air flow) from the hose to the deck near the rolling brush area. When this gate gets stuck for some reason, it doesn't open even when you release the tab/lever. What I had to do was to open the cover over the brush roller (4 screws) near the front of the deck. Then when I wiped the bottom portion of the deck under where the hose is connected to the deck, I realised that the plastic there is clear plastic (it was covered with lot of dust before I wiped it). On the side where the hose connects to the deck, right under it is a tubular channel connecting to the brush roller area. Through the clear plastic of this channel, you will see a plastic disk blocking the channel opening. With the power disconnected, release the level for carpet cleaning (so that the deck can move relative to the handle). Now push with a finger on the plastic disk to make it go in and up. In my case some thread like material was caught between the disk edge and the channel/tube making it impossible to open with just the air pressure. After I removed the obstruction, the gate disk started moving freely when the vacuum was set for carpet cleaning. I put everything back together abd tested. Now it works beutifully.

If your model is different, you may find some minor differences but there has to be a vacuum diverter for the two positions. Just make sure it directs the vacuum where it is supposed to go.

Posted on Oct 25, 2008

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Thanks for the input - I went out and paid $400 for a Dyson Animal VC and was basically sick to my stomach because of the cost. It seems that I had just purchased my Wind Tunnel. Anyway, after looking at the reviews above, I quickly took my VC apart to see if I could fix it....It turned out the belt was so stretched out and that was the problem. I had checked it previously thinking since it wasn't broke, than how could that be the problem. Bottom line, although the Dyson, I'm sure, is a good VC, that ****** is going back tomorrow. Wind Tunnel works just like it did out of the box. Thanks everyone for your input.

Posted on Nov 23, 2008

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I cannot see the back of this model, so can't be sure this will help. I was having the same issue. The spot where the hose comes into the back of the machine is an l-shaped connector. I removed the hose and it was filled with fibres and dust that had gotten caught in the scraps of paper and such that had gotten stuck over the last few years. Works great now!

Posted on Nov 07, 2008

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If you mean that it is not picking up on carpet, then you need to change your belt. On any vacuum with a rubber belt you must change it every 3-6 months whether it breaks or not, and no matter how often you use it.

If there is actually no airflow at the nozzle there is probably a clog between where the hose connects and the front of the nozzle.

-R

Posted on Aug 09, 2008

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Plenty of suction from the hose pipe itself but no suction when vacuuming the carpet


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Go through this guide to help find the issue www.builtinvacuum.com/flowchrt.html. You should have suction without a filter. The bottom is on the unit, right? It needs to be air tight.

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There are six different reasons a vacuum can lose suction, a plugged vacuum hose, bad motor, full vacuum bag, or cracked or damage hoses. Purchasing a vacuum cleaner can be a costly expense while repairing the suction on the unit can be virtually free. Most suction loss problems on a vacuum can be easily fixed or remedied with common house hold tools and very little technical expertise.
If your vacuum cleaner losses suction, the first and easiest solution is to check the bag. If the vacuum cleaner bag is full suction will be greatly reduced and the unit will become ineffective. A vacuum cleaner works by passing air through the bag fibers leaving dirt and debris behind inside the bag. If the refuse bag becomes full, airflow is restricted, limiting the amount of air passing through the vacuum bag resulting in loss of suction. When replacing the vacuum bag always consult your owners manual to insure that the vacuum bag seals with the vacuum inlet hose. If your vacuum cleaner bag is not tightly sealed to the vacuum inlet hose you will decrease the air flow through the bag resulting in loss of suction.
The second and sometimes most common reason for loss of suction on a vacuum cleaner is a plugged vacuum hose. If the hose becomes plugged, air flow will become restricted. To unplug a vacuum hose detach it from the machine and inspect the inside. If there is a restriction in the hose, remove it with your fingers and replace the hose onto the unit. If the hose is long and the debris is hard to get too, a broom handle or other long object can be passed through the hose to dislodge the debris. Most vacuum cleaners contain more that one suction hose, so make sure to check each one by process of elimination. Another area that can become easily plugged on a vacuum cleaner is under the lower base of the unit by the roller brush. Large debris can get caught in this area and restrict air flow to the hose.
If your vacuum refuse bag is not full and the suction hoses are not plugged the next thing to check is the condition of the hoses. Many hoses are made from plastic which can easily tear or crack. If your vacuum cleaner shows signs of wear or are cracked they need to be replaced. Even the smallest hole in a vacuum hose can leak enough air to greatly diminish the suction potential of your unit. Replace your vacuum cleaner parts with OEM parts from the original manufacturer to ensure the tightest fit.
Most vacuum cleaners contain filters. Filters are used as a last line of defense to remove dust and smaller debris particles before the air is recycled back into the environment. If vacuum cleaner filters become dirty or plugged they also can decrease the amount of air traveling through the unit. Some filters can be easily rinsed with water whereas others need to be replaced. It is important to check your owners manual before rinsing a vacuum filter.
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If this was helpful, please be sure to rate the repair as helpful by clicking on the thumbs up icons on the top of the repair.

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--W.D--

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