It's driving me nuts! I'm not sure what's stuck up there or got loose but the suction seems fine for the first 3 seconds and then it sounds like suddenly something flaps up and blocks the airway and reduces the airflow down 60% less than what it should be. Please help! I tried to the troubleshooting that they have for their products but i'm not sure what i'm doing. Pleas help thanks! Julia
I took the bottom rollers off and reached up in the hole and there was a lot of stuff clogging it. It took some time but I finally got it all out. I think the reason for the clog was because I had accidentally sucked up some water.
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Check your wiring going to the vacuum head, some vacuums have a problem with corrosion on the plugs...take your connections loose and lightly sand with fine grit sandpaper the metal ends.
Plug the wires back together and see if it works...if not then it may be that you have a faulty motor in the drive head.
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It sounds as if the ball in the tank in shutting down the suction prematurely. Be sure there is a gap of about 3/4 inch between the top of the filter inside the tank, and the lid of the dirty water tank. Without this gap, suction will pull the ball up too soon.
Trace the path of the suction into the tank and see if there is anything loose or ingested.
Also, remove the brush and clean as best you can. Perhaps there is something caught in it. Lubricate where it makes sense with some WD40.
Your Hoover U5076 has a clog. Fist unplug the vacuum from the wall socket. Remove the attachement hose from the door on the head, close the door. Remove the screw just below the main bag compartment, with a phillips or flat head screw driver. Be sure not to loose the nut in back. Hold the base down with your foot and pull up on the handle to sperate the two pieces. The lower portion revieled is the exhaust for the dirt from the motor and that is where your clog should be. Use a flat head screw drive to remove what is there so you have a clean path. If there is no clog there check the up portion that you pulled off for a clog, you may need a coat hanger to dislodge the clog. Once the path way is clear you can reassemble the vacuum and it will work fine.
Check if there is something stuck in the the suction tube, telescopic wand or in any of the parts involved. I had the same problem due to a number of chocolate wrappers stuck in the wand. I almost went and bought another one, luckily i had the sense to ask the salesman at sears the same question and he put me on the right path. The suction tube and wand are detachable from the unit, so you should be able to unplug the parts and check. This is the same solution if you motor is running fine but you have lost suction and\or bag shows full when it is not. Hope i am saving someone some money by stating the obvious here, just the way the sears salesman helped me.