Dyson DC04 Brush Bar not operating?

Belt still attached but the brush bar is not rotating. Have checked the adjustment control and that is OK.
What else could be at fault and how do I access the full assembly?
Stewart Lyle, December 2011


done
has the clutch failed?.look on youtube for dyson dc04 videos to enlighten you!

ck, December 2011
link Click here to see other fixes for Dyson DC04.