Having problems with your Hoover U6437-900 / U6439-900 Windtunnel Bagged Upright Vacuum ?

No power unable to manually turn off power, i opened up rear handle hatch to inspect the mechanism/linkage. The red on/off button seems locked in the on position. I replaced the hatch and now i have no power at all. what happened? Is there a fuse?

Answers :

This vacuum has a recall notice on it. It has to do with the switch. You might want to check... They will fix it for free

This is a clear indication that your on/off switch is probably gone bad. What happened is probably the handle latch was not properly installed when you replaced it. No worries though, I have written a clear, easy to follow guide on how to replace the on/off switch on your Hoover Windtunnel Self-Propelled upright.

What you'll need to do this repair:
- Phillips head screwdriver
- \012Needle Nose Pliers
- Hoover Windtunnel Switch For All Upright\012 Models

Step 1. Turn the vacuum cleaner around so that the \012back is facing you. Remove the two screws at the top of the vacuum that \012are holding the handle on the machine. Please see the picture below of \012the two highlighted screws that need to be removed;

Step\012 2. After these two screws have been removed, simply slide the handle \012backwards, and remove it completely from the vacuum and set it aside. \012You now can see the on/off switch, but you can't easily change it from \012here, you'll need to complete several other steps before you can remove \012the switch. Here's what the vacuum should look like after removing the \012handle:

Step 3. After removing the handle from the \012vacuum, turn the machine around so the front of it is facing you. Open \012the vacuum bag door and set the door aside. Also remove any attachments \012that are on-board in the tool storage bin, this model has a hand-held \012turbo brush stored here. After removing both of these parts, you'll need\012 to unscrew 3 screws that holds the tool caddy onto the vacuum cleaner. I\012 have circled the area where these 3 screws are located:

Step\012 4. After removing these three screws, pull the tool caddy off of the \012vacuum by pulling straight forward by using the tool caddy lid. You'll \012now have access to both the front and the back sides of the switch. Use \012your needle nose pliers to remove the two wires that are attached to the\012 switch. Be careful when pulling these wires off because if you pull too\012 hard, then it will break the switch terminal off inside of the wire. \012Most models have the wire that has a plastic covering over the end of it\012 on the top, and the metal terminal is connected on the bottom. The two \012lead wires that need to be removed are highlighted:


Step\012 5. After the wires have been removed from the switch, turn the vacuum \012back around so that the back of the machine is facing you. Simply use \012your flat head screwdriver to pry the switch off. You may push on the \012back side of the switch where the wires connect to it in order to give a\012 space so that you can get a screw driver behind it. Here's how it \012should look:

Step\012 6. Once the old switch has been removed, simply push the new switch \012into the open hole. Important: Make sure that the Off setting of the \012switch is at the bottom, and the part of the switch that says on is on \012the top, otherwise the switch will be reversed. Re-attach the wires to \012the switch, with the wire that has the plastic covering on top, and the \012metal wire terminal on the bottom. The only tricky part of reassembling \012is when you put the handle assembly back on the vacuum. As you can see, \012there is a metal cable below the switch. This metal cable controls the \012self-propelled mechanism. If you look at the handle assembly, you'll see\012 where the self propelled cable sits inside. The easiest way to line \012these up is to pull the cable up to the top, and then line up the rod \012inside of the handle that the cable goes in, and slide the handle back \012on the vacuum.

I hope this was helpful.

Chris Jones
Repair Help & Product Troubleshooting for Hoover U6437-900 / U6439-900 Windtunnel Bagged Upright Vacuum

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