The dual sweep agitator wasn't all it was supposed to be. It never raised the nap since the brush was always going in a 'forward' direction. There were problems with the bag too. It always seemed to have a hole develop in use, right at the top where the full bag indicator's underside touched the top of the paper bag (which is a single ply, fairly thin bag). Lots of dust leakage, not very good filtration. Nice for the time, but the whole dual sweep power nozzle was loaded with problems. I fixed many of them in my time.
