Question about Hoover U6437-900 / U6439-900 Windtunnel Bagged Upright Vacuum
Posted by Anonymous on
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Posted on Jan 02, 2017
These motors have a fuse incorporated in the field winding and it sounds like that blew. These motors sometimes overheat at the front bearing and the bearing will melt into the plastic housing. This will cause the fuse to blow. It sounds like that's your problem. You can remove the motor by removing the three screws on the bottom of the powerhead and then check the front bearing for any bubbling or blistering in the plastic housing. The shaft of the motor should turn easily.
Posted on Jan 27, 2008
I am thinking that the cord goes in on the back, just below the handle. Remove the handle, then from the front, remove the tool holder(#8), then you can get to where the cord comes in and hooks up.
Posted on Feb 12, 2008
ok so I took this vaccum apart completely except for the electrical and motor systems. It seems to me that without dismantling both of these systems on the vaccum you can't replace the power cord. And I wouldn't recommend taking them apart unless you know what you are doing since replacing the power cord seems to require cutting the old power cord and soldering the new one onto the old terminals. All in all its probably easier to get a new vaccum altogether.
Posted on Aug 08, 2008
I have a Windtunnel S3765 with the same problem - and it has very little use so I'm confident it isn't wear. I find that the wheels do not raise the agitator brush sufficiently high to reduce the drag caused by excessive contact with the carpet. If I raise the front a bit the brush spins as it should. It also works if I take the housing apart and use it without ..... but this is tricky.
Unfortunately I haven't figured out a way to hold it up efficiently. I am toying with afixing something to the bottom of the housing to raise the front enough to give the brush a little more room.
Posted on Jul 09, 2009
SOURCE: Hoover Windtunnel shuts off
I found the following solution on this website. I have searched for hours and finally found this solution, it works! I HAD the same problem after cleaning the filter mentioned below, it is now working like it was new.
yes this machine has a thermal protector in it to shut off the machine if it gets to hot, this is normal. if there is no clogs in the hoses or in the machine then you will need to wash the filter at the top of the machine. you will have to remove the dirt cup and at the top you should see a half moon orange, well inside of this piece is the washable filter, clean and let it dry completly before putting back into machine. if this gets dirty and has not been cleaned, you can lose alot of suction. in some cases if this filter is not cleaned it can cause the machine to overheat so bad that it can damage the motor.
Posted on Oct 25, 2009
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