Please click here to see the
part diagram for the Hoover Windtunnel Self Propelled model U6446-900
Greetings from GoVacuum,
For replacing the switch, you need to remove the 2 screws that are in the back of the vacuum where the handle connects to the vacuum bag housing, Part # 50 on the first page of the diagram. After the screws have been removed, you may simply slide out the handle from the rest of the vacuum cleaner. You can then at this point view the outside of the switch, however as you'll find you can't replace it from this side. You'll then need to go into the where the tool caddy is in the front top part of the vacuum cleaner. Remove the attachments from the tool caddy, and then you'll need to remove the screws that hold the tool casing in place. Remove screws pictured # 35 on page 1, and the tool caddy is item # 17.
Once the screws and the tool caddy are removed, you may then see the rest of the switch, and the leads that connect to it. The easiest way to remove the screw is to use a flat head screwdriver and pry the switch out from the back of the vacuum cleaner after removing the leads from the switch. The new switch that you'll need to purchase is Hoover part number 28161067 which can be found online here:
Hoover Windtunnel Main On / Off Switch Part Number 28161067.
I hope that this helps you replace the faulty switch in yours (and your parents) vacuum cleaners. If you need to place an order for the switch, please give us a call at 1-866-468-2288.
Thank you,
Chris Jones
GoVacuum.com
I found out how to remove the hood. You need to remove the star screw from the height knob. Then remove the two Phillips screws on the bottom of the vacuum. The hood comes right off. The old switch will have a clip holding switch onto the vacuum. Remove clip and cut both the yellow and black wires for the switch. Install new switches wires to motor and then reclip in switch. Reinstall the hood screws and your done. The part number is 13738-5. I bought my new switch on ebay for about 10 dollars. This switch will work on Sanitaire 684f and 688a vacuums.
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