Question about Broan-NuTone VX475 Bagged Central System Vacuum

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The suction has dramatically decreased

How do you locate and remove a possible obstruction in the pipe?

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IF you have a nutone VX series tank contact NuTone. your tank may be bad they will more than likely replace the whole tank under warrenty.

Posted on Jul 26, 2009

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Use an electricians fish tape or plumbers snake

Posted on May 15, 2009

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1 Answer

Electrolux cyclone power 1900w no suction with main attachment


If you've tried several different attachments and they all exhibit the same poor suction problems, you should completely check the parts of the vac that are common to all the parts that have the problem.

Since the motor creates good suction without attachments, I suspect the problem is the hose. Either an obstruction or a crack. Typically, if you block the end of the hose, the pitch of the motor's sound will go up slightly - like it it is spinning faster (it is). You can keep removing parts from the vac intake until the motors sound decreases - and that will indicate the part that has the obstruction. If it is a hose, you should clear the obstruction with a "snake" or other object like a pole.

If the motor sound does not change, then there is likely a split or crack somewhere between the intake of the vac and the device. You'll have to check it carefully - or if possible - connect it to the output of a vac and seal / cover the end. Feel along the length of the hose, etc. for air being blown out. Repair the opening and you should be "good to go"

Good luck!

May 12, 2012 | Electrolux Vacuums

1 Answer

Loss of suction. we have checked that there is ni blockage.


Disconnect the incoming pipe from the vacuum power unit and turn the switch on (on the side of the unit) while you feel the bottom of the unit with your hand. If BOTH motors come on and sound normal and are producing suction you should feel the bottom of the canister flex or you should feel suction at the inlet connection.
If the bottom flexes but there is no section at the inlet there is an obstruction in the pipes witin the vacuum unit. A stiff wire with a hook bent at the end is usually sufficient for removing the dust stuck in that piping.
You can also unplug the 110v poser then remove the top cover (only 3 or 4 screws) and visually inspect the motors and piping for failures.

Dec 30, 2010 | Broan-NuTone CV750 Central Vacuum

1 Answer

The suction has decreased by about 50%. The brush


Check that there is nothing blocking the hose and that there are no obstructions around any of the filters, clean and replace filters too if possible. If you still find you have less than optimum suction , you may need to replace your motor. But it sounds like there may be a blockage or an air leakage somewhere in the unit.Good luck.

Jun 07, 2010 | Hoover Windtunnel Supreme U5280-900...

1 Answer

My Dyson has no suction power


It is possible that it has a clogged. the valve pipe could be 1 of the problem. it could had sucked to much debri at one time that might had cause the clogged.
The valve pipe is located at the base of your machine (on the left side when looking at it from the front) above the rear wheel. It may be removed by squeezing the release catches, check for obstruction any debri.

if you need addtional help http://www.crazysquirrel.com/diy/dyson/index.jspx

Mar 08, 2010 | Dyson Vacuums

1 Answer

Low suction at end of 30' hose, after I snaked the hose


Snaking the hose won't change the suction unless you pushed an obstruction deeper into it. Try dropping a coin through the handle and shake it through to the other end. If the coin stops it will rattle at the obstruction. If the coin passes through your issue is either and inlet with the door ajar or a loss of suction due to an obstruction in the pipe or a leak at the machine, either the gasket or filter or similar. Post back.
To test each inlet for suction, mark a tissue with a # for each and move your hose inlet to inlet , then go to the pail and see what came through.This will help to determine if you have a blockage in your main line or a branch of the internal piping.

Dec 11, 2009 | Broan-NuTone Vacuums

1 Answer

HOW TO CHANGE DRIVE BELT NO SUCTION FROM UNDERNEATH


the drive belt only controls the beater bar if the bar is spinning the belt is fine.
the no suction problem is probably caused by an obstruction in the line , the most common place that this occurs is where the handle pivots from the power head, if the tool hose can not be pulled at this location, remove the cover for the beater bar and you should be able to reach obstruction from there

Nov 12, 2009 | Vacuums

1 Answer

EF 1750 has lost suction power. There is a noticable decrease in suction power even at the power unit inlet.


Disconnect the actual pipe where it meets the vac. Then test the intake for suction. If you have poor suction still, check the intake itself from inside the vac body for blockage, then check the gasket on the pail for mis-alignement.

If you have suction at the actual intake, your issue will be in the house piping. Look for any damaged inlet doors which are ajar, also look at any inlets you may have recently removed for painting or renovation work. Each inlet has an o ring seal which must be properly aligned. If not aligned you will hear a hiss at the inlet when the door is closed.

Last check where any exposed pipe or pipe joint could have been jarred loose or damaged, basement , garage, etc. Post back to advise what you find

Nov 06, 2009 | Easy Flo EF1750 Central System Vacuum

1 Answer

Hush - Insufficient suction


You need to approach this step by step. If you have insufficient suction at all locations you need to check as follows:
1. Hose, drop a coin through from the handle to the wall end, with the hose detached from the wall. If the coin goes through from one end to the other the hose should be clear. If the coin stops it will rattle inside where the obstruction is if you gently shake the hose you will feel it through the wall.Obstructions in hose or pie need to bee **** wards out of the hose or pipe.
2. Vac. Go to the vac itself and see if the onboard inlet has suction. If it does your problem is beyond the vac. If not your problem may be a leak, either a broken inlet, with a cracked or sagging door or jammed hinge, a clogged intake in the vac, or damage to the pipe within the house or a twisted gasket where the pail of the vac secures to the body, or an issue with the motor itself..
3. Take the hose, inlet to inlet and check all locations in the house. I mark a tissue with a number for each inlet and plug in the hose, one inlet at a time. If the tissue makes it all the way to the bucket from each location, that means the branch line for that location is clear. I work from the closest inlet away to the furthest checking for tissues one inlet a t a time. This will help pinpoint location of any blockage in the main line.
4. If you have had any renovations or painting done it is not uncommon to disturb the seal behind and inlet or pierce your piping with a nail or screw. Check for all these and post back to say waht you have found.



Sep 27, 2009 | Hoover S5636 Hush Central System Vacuum

2 Answers

Dyson Clogged?


take the hose off and stick it over a broom handle to clear any clogs. Check air filters,

Aug 27, 2009 | Electrolux Guardian Bagged Canister Vacuum

1 Answer

Nutone 353 central vacuum....all of a sudden, poor suction at all house outlets.. Checked hoses and pipes for obstruction...none found


I think this unit has a utility valve on the front. If so, do you have good suction at this valve? If not, disconnect the inlet piping and check the suction directly from the inlet. Make sure the utility valve is closed while checking the suction on the inlet. If you have good suction, you have an open pipe or valve somewhere in the house. If you have any vacpans, check these first. Next, turn the unit on and walk through the house and listen for air whistling. If you do not have good suction from the inlet at the unit with the utility valve closed, replace your bag and look for a secondary filter that may be plugged. Good Luck!

Nov 26, 2008 | Broan-NuTone CV353 Central Vacuum

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