Question about Hoover S3765-040 WindTunnel Bagless Canister Vacuum
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Posted on Jan 02, 2017
Greetings from GoVacuum,
There are two things that you should check on this vacuum after running it without a bag inside. The first thing you should check is the filter that is underneath of the vacuum bag. This filter is underneath of a bracket, and the bracket can be removed by pulling straight up on the bracket. The bracket and filter are directly below the vacuum bag inside the vacuum bag housing. If the machine was run without a bag (or the bag fell off) then this filter is most likely going to be extremely clogged. You can simly remove the filter, and run it under hot water until clean. Make sure the filter is 100% completely dry before putting it back in the vacuum and using it. Running the vacuum with a wet filter will destroy your motor.
Now in terms of the belts. Where as the belts don't directly control the suction of the vacuum cleaner, they certainly facilitate the pick up of dirt and debris on the floor. Many people assume that since the vacuum is not picking up from the floor, then the vacuum doesn't have suction. You can test this by pulling out the attachment hose and feeling for suction, is there suction at the end of the hose? If yes, then the reason the vacuum is not picking up on the floor is because of the belts. If you don't have suction at the end of the hose, then you have a clog, some where or a dirty filter.
The belts actually are what spin the brush, and the brush basically sweeps the carpet, and throws the dirt and debris into the suction port, and when the dirt and debris are near the suction port, the suction then takes over and takes it to the bag.
There are two belts on this model, it's best to replace both of these belts at the same time. If you replace just one, then the other belt will wear out quicker. It's always best to replace these two belts in conjunction.
The two belts that are used on this vacuum are:
Hoover Windtunnel V-Belt Part 38528034
Hoover Windtunnel Flat Belt, Hoover Part 38528035
Once you have the belts, and you're ready to replace them, here's a great video that we shot here at Govacuum.com that shows you exactly how to replace these belts, as well as some basic maintenance on your roller brush;
I really hope that my repair solution was helpful to you in fixing your vacuum cleaner. If you have any further questions about this repair, or any repair, feel free to contact me at email@example.com, or request a clarification here on Fixya.
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Thank you very much,
Posted on Mar 19, 2010
SOLUTION#1 If the attachment wont spray water, the white plastic nozzle tip may be clogged. Take the brush attachment off, remove the two screws from the gray retaining cover (BE CAREFUL THE WHITE TIP UNDER THE BLACK PLASTIC TRIGGER MECHANISM IS SPRING LOADED and WILL GO FLYING). The trigger mechanism can be taken apart by lifting the black part off (may have to slide it back slightly), remove the spring from the white plastic valve insert, then take a flat screw driver and carefully pry the two white pieces apart and blow out both ends. You may have to find a hair size piece of wire to push threw it to clear it. The whole process is really simple once you take it apart and see how it works. Putting it together is in reverse order. The white piece will only go in to the black part one way and with the spring on you need to push it through the hole and the trigger part hooks on, slide it back on to the hose, then while holding it all, and put the gray retaining cover back on. Sounds more difficult than it really is. If your not mechanically inclined take some pictures as your taking it apart to refer to.
Solution#2 If the nozzle and trigger are clear, with the trigger assembly off the hose, plug the hose into the shampooer and turn it on (if the hose inside the suction hose is clear you should start seeing water flowing out the hose. If not run a piece of wire through that hose to unclog it. If its still not flowing then the Pump on the unit needs to be replaced.
Solution #3Cost Around $20 with shipping online. Google your make and model, and upholstery attachemnt pump. Mine was called AP4561692 (43582018) PUMP ASSM, from http://www.appliancepartspros.com/. (there real good about the live chat and helping you find the part).There are Youtube videos on taking apart the shampooer, which is pretty easy. The one place that might give you problems after you get down to taking the pump off, there is only one screw holding but there is on the bottom side of the pump a black bump that clips in to the base of the shampooer and you need to stick a screw driver from the bottom up and pry the base one way and pull the pump the other to unhook it.
Posted on Feb 16, 2012
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