Hello, this is Ava with Think Crucial.
To change the belt of your Shark vacuum, you will need a flat head or a philips screw driver and a pair of scissors or a knife to clean your roller brush.
First, make sure to switch off your vacuum and is unplug from the power. In an upright position (vacuum), remove, empty and clean the dust cup. After cleaning the dust cup, lay down the vacuum horizontally on the floor to access the brush roller unit.
Using the appropriate screewdriver, flathead or philips (which will depend on the model of your vacuum), unscrew that holds the roller cover in place. When you lift the cover of the roller up and if it doesn't lift easily, don't force it because it probably means that you have missed one of the retaining screws. After you removed the cover, you will be able to see the roller assembly and the belt that drives it. If the belt has become worn, lost some teeth, or it has broken completely, you will need to remove the roller itself to be able to replace the belt. Clasp the end of the roller that is farthest from the belt between your fingers and lift it out of its holder. It should lift out very easily. You will then be able to lift out the other side of the roller that is attached to the belt and slip the belt on it. The other end of the belt, if it has not broken completely, will be attached to the motor shaft. That too can now be slipped off the end of the shaft.
With the roller bursh having been removed from the motorised head, I suggest you clean it. You may use a pair of scissors or knife to cut/remove the hair that are stuck. Be careful that you don't cut the bristles of the brush. Also, remove any debris that has found its way inside the roller cover at this point by using a wet towel or tissue.
To replace the belt, slide the new belt around the drive shaft of the vacuum cleaner and onto the seat. Then, replace the belt end of the roller, sliding the belt around the roller inside the plastic guides that are there to stop the belt slipping. Clip the far side of the roller back into the slots provided for it and adjust the belt as necessary to make sure that it is sitting squarely on the roller and the drive shaft and then check that the belt is tensioned properly.
Now, all you need to do is to replace the brush roller cover and tighten it down with the screws that you removed earlier. When you tighten the screws, they should be firmly screwed on, but don't overtighten the screws or you could crack the plastic casing. You can then reconnect the shark vacuum to the power supply and check that everything is working properly.
We have based this guide on the manufacturer's own guidelines, so you should have no problem with your Shark vacuum if you follow these steps.
You can purchase a wide variety of high quality Shark replacement parts for your Shark vacuum direct from Think Crucial with free shipping and an exclusive 10% coupon for Fixya.com readers, use code: FIXYA10
http://www.thinkcrucial.com/search?type=product&q=hv300
I hope this was helpful.
Ava B.
Think Crucial Customer Care
http://www.thinkcrucial.com/
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