Vacuums\015 My grandson pulled the u-shape wheel adjustment on the bottom of the vac and the spring connecting it to the height adjustment flew out. \302\240I need help to find out where to connect the ends again. \302\240Even Eureka had no info directly related to this, and I can find no schematics to look at. \302\240PLEASE help me!!! \302\240 \302\240It’s a Eureka Pet Lovers upright. The Model # is 8852 DVZ. \302\240Thank you, Judy\015

How to Identify and Fix Common Vacuum Problems ?

Our sources include academic articles, blog posts, and personal essays from experienced Vacuum Technicians :

To ensure proper recovery on a carpeted surface, the beater bar should be set at a height where the bristles just touch the tips of the carpet fibers. Most individuals set the beater bar height at its lowest setting due to perception that this will grind into the carpet fibers and recover more.
The level you set your vacuum depends on the height of your carpet. For bare floors, use the lowest or bare floor setting, for short and medium pile carpets use a medium setting and finally, for plush carpets use the highest setting.
The international standard usually divides the vacuum into four levels: low vacuum, medium vacuum, high vacuum, and ultra-high vacuum.
If you want to remove as much dust, dog hair, and cookie crumbs as you can, properly setting the height on your vacuum cleaner can make a big difference. Like all the extra attachments and hoses that come with your vacuum, tweaking the height adjustment knob on the base ensures you get the best clean possible.
A 1/2 inch height adjustment should resolve this and be easily added by Dyson. Put a flip switch on the vacuum head itself that raises it up higher off the carpet.
Roller Lifter Assembly goes under the foot of the vacuum on the PowerForce Compact & EasyVac Compact Upright Vacuums.
Low vacuum is around 10^-4 times the atmosphere. High vacuum is 10^-8 atmospheres. There is even Ultra-High vacuum that is around 10^-12 atmospheres. So when you say something has higher vacuum, it`s the same as saying that there is less air inside.
Other things equal, lower gas pressure means higher-quality vacuum. For example, a typical vacuum cleaner produces enough suction to reduce air pressure by around 20%. But higher-quality vacuums are possible.
Roller leveling is essentially a bending process. The out of flat part, sheet or plate is deformed by a series of alternating bends. These alternating bends are created by passing the part, sheet, or plate between upper and lower sets of leveling rollers.
Part the hair in the front where you`d like to wear it, then section the hair across the head from ear to ear. Measure the size of the sections in the back by the length of the roller. Section out as many as will fit width wise.
All vacuum cleaners operate based on air flowing from the opening at the cleaning head or tool, through the vacuum cleaner and the bag and/or filter system and then out the exhaust port. This airflow is created by the vacuum motor, which also may be referred to as the suction motor.
If spark knock occurs under part throttle, an adjustment to the vacuum advance is necessary. This adjustment is made by inserting the 3/32″ Allen wrench into the vacuum advance canister port and turn it two turns counter-clockwise. Test-drive the car and repeat the adjustments until the spark knock is eliminated.
[d] Ultrahigh vacuum is defined as the pressure range between 106 Pa (Europe) and/or 107 Pa (USA) to 1010 Pa.
Ultrahigh vacuum (UHV) is defined as the pressure range between 10-6 Pa (in Europe) or 10-7 Pa (in the USA) and 10-10 Pa; extreme high vacuum (XHV) is defined as the range of pressure below 10-10 Pa (7.5 × 10-13 Torr or 10-12 mbar).
Ultra high vacuum is required for most surface science experiments for two principal reasons: To enable atomically clean surfaces to be prepared for study, and such surfaces to be maintained in a contamination-free state for the duration of the experiment.
Vacuum level can quickly determine the obvious fault in a problematic vacuum system. So a vacuum gage is a very important indirect component in a successful vacuum system.
When securing the dock to the wall, ensure there is a distance of 1.2m/47¼” from the floor. This is to allow the machine to sit in the dock without touching the floor.
One of the easiest ways to increase vacuum cleaner suction is to empty the dust bag or container. Dust containers need to have enough space for airflow, otherwise, they could get clogged and have less suction power. Regularly check your dust compartment and empty or change it when it`s already 70-80% full.
One of the easiest ways to increase vacuum cleaner suction is to empty the dust bag or container. Dust containers need to have enough space for airflow, otherwise, they could get clogged and have less suction power. Regularly check your dust compartment and empty or change it when it`s already 70-80% full.
No, absolute pressure is measured with reference to a perfect vacuum so it is impossible for it to go negative.
Next to the motor, the belt on your vacuum is just about the most important part of your vacuum. Without the belt to spin the brushroll, most vacuums won`t pick up on carpeting at all! If your vacuum uses a rubber belt, check it once a month for cracks, melting, and especially, slippage.
No, absolute pressure is measured with reference to a perfect vacuum so it is impossible for it to go negative.
What is a vacuum and how is it measured? Vacuum is an air pressure measurement that is less than Earth`s atmospheric pressure, about 14.7 psi.
One of the easiest ways to increase vacuum cleaner suction is to empty the dust bag or container. Dust containers need to have enough space for airflow, otherwise, they could get clogged and have less suction power. Regularly check your dust compartment and empty or change it when it`s already 70-80% full.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

Spring connecting height adjustment
ANSWER : There should be a place easily for the wheel assy to fit back in and then if you look you should see 2 small holes in the bottom of the vacuum that it will slip into. If your looking at the vacuum straight they should be on the left side on the bottom.

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Height adjustment The height adjustment button on my upright is nonfunctional.  The Height is set closest to the floor and it makes it difficult to move on medium height carpet.
ANSWER : You’ll have to turn the upright to its side to show the sole plate where the rolling brush is. Check where the front wheels are located and ensure there is no blockage obstructing the rotary dial. Sometimes the spring mechanisms can work themselves loose. ...
.Inevitably you’ll have to remove the sole plate and/or the rotary dial which may be screwed down. If it has cracked then you may have to seek a replacement. .
.Dont forget to rate this suggestion. 

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Height adjustment not adjusting
ANSWER : The height adjustment wont engage unless the handle is in the down position. Not knowing this led me to overturn the hight adjustment knob.
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.Step on the handle release, pull the handle back and lay the vac on its side. Then you can get the knob and the plate back together again.
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.BTW, the reason I had this problem is because the front brush slows dramatically when using on carpet, I thought it was set too low, and turned the knob (in a manly fashion, putting it past its limit). Still working on that one. After inspecting the belt, looks like one worn and cracked spot gumming up the works.

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Carpet Height Adjusment
ANSWER : In addition to the tab that contacts the bottom of the slider, there are 2 protusions on the adjustable wheel plate that move through holes in the housing, but only when the handle is tilted to begin vacuuming. The wheel plate has a spring that forces the tab against the slider. As the handle is moved to the upright position, the protusions move back through the holes, taking the tab away from the slider and the wheel plate locks in its highest position. Therefore, the position of the slider has no effect while the handle is upright and locked. Hope this helps.

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I can see the height adjuster under my Bissell pet hair eraser vacuum, but it doesn’t adjust. The parts don’t look like they’re touching. It’s been iffy since I took it out of the box. Now it doesn’t adjust at all. Used only five times. Looks like I should be able to fix it myself. No local repair available. Could you help please?
ANSWER : Http://uk.bissell.com/images/UserGuides/3920E_508.pdf
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.This is the pdf manual. If you look at page 12 you’ll see that the bottom of the machine has been pictured. Between the middle wheels near the brush (where arrows 4 and 2 are) you’ll find that the adjuster bar has a sprung mechanism. Now this is easy if you have time! If you take off the or just inspect the bar, check to see that nothing is clogged behind it. If it looks fine, check with your other hand by moving the rotary dial a couple of times and your other hand pressed down on the central bar between the wheels – if you can feel that the bar is moving whilst you turn the rotary dial then it should be working. Sometimes the spring that connects the dial to the bar can loosen and this may well have been the case. If you can unscrew the assembly do it gently as it will pop up to see if the spring has been put in place and then carefully put everything back together.
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.Some uprights don’t allow the height adjuster to adjust whilst in the upright position though but if it doesn’t adjust at all then the spring has definately moved.

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On my hover U6616-900 the self propell work fine on the med setting on med height carpet, but when I go to low height carpet and height set on med the self propell does not pull the vacuum and it is hard to push. Also if I raise the height to the highest setting the self propell works correctly and appears to clen. Any ideas? S/N 090400184555, think this vacuum is maybe 5 years old and my wife uses it lots. Should I think of maybe a complete overhaul or a replacement at this time?
ANSWER : This is a typical problem you are describing. I would recommend you change the belts, this will resolve the “hard to push” and most likely resove your issues. based on the s/n given you maching was made on sept 2004.

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Top tube connection on water pump for Bissell PowerSteamer 1698
ANSWER : It appears to be the tubeing for which you speak of.

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Height adjustment won’t work on Hoover windtunnel
ANSWER : In my experience, Hoover height adjustment are “stops” rather than being attached to an axel. Look for something that rould resemble a set of circular steps somewhere in the path the axel would take as it goes up and down. It is usually on the underside from the knob that sets the height. Each ‘step’ represents a height with the shortest step being the lowest setting from a certain perspective.
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.On some Hoovers, therte is a ratchet petal on the right side. The ones I have seen are similar in operation to the above.
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.Let me know if this helps you.
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.A

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