Steve Bonds

In addition to the clean-up of the hair, string, threads, wires, and who-knows-what that gets routinely tangled around the brush bar, every now and then a more intensive clean-up is needed. This is not in the manual, but eventually the debris can tangle around the spacer in the brush roller end cap creating enough friction to melt the roller and make it stick. I made a guide for how to clean that out here: Dyson DC33 Brush Deep Clean

Based on the part number “042060” stamped on the side and the approximate dimensions of the device, look for a 4.0mm x 20mm x 60mm 3.7V lithium polymer battery. They are not easy to find. One example: https://www.ebay.com/itm/500mAh-3-7V-Li-...

The screw is a PH0000 (quadruple zero) requiring an exceptionally small Phillips screwdriver to remove. If this is your first time in here in a while, this may also be a great time to change the CR2032 battery.