The Dyson 909549-03 DC21-DC23 Iron End Cap Assembly Right may be removed to access the brushbar. It is on the left side if you are facing the back of your vacuum.
The Dyson DC21 - DC23 Iron End Cap Assembly fits the following Dyson vacuums:
- DC21 Stowaway
- DC23 Motorhead
- DC23 Motorhead Exclusive