Author Topic: Yet Another DC40 Brushbar Problem (Read 10670 times)

oldmoley · « **on:** January 26, 2017, 09:41:52 am »

I've been asked to look at a friend's DC40 on which the brush bar is not turning. The fault seems to be intermittent, since I had it working for nearly a week (without touching anything), but the brush bar has now stopped again. I can get a reading from my multimeter across the brush bar connector on the machine itself, so power is obviously getting through, although the reading is very low. Could this be a dodgy loom making and breaking intermittently? Before I delve into the guts of this machine, has anyone done a procedural on this yet, or can advise me as to what sequence I should follow when dismantling? I'm eager not to b****r someone else's machine up!

AdamF · « **Reply #1 on:** January 26, 2017, 04:14:13 pm »

Their is an issue with the yolk loom that is a pain to resolve.
The loom breaks but if the angle is just right then the connection is made and the brushbar works.
I would strip it and find out what the issue is , just don't remove the screw that holds the clear cog just loosen it.

MVacs · « **Reply #2 on:** January 26, 2017, 04:59:02 pm »

Like Adam said, that will be the usual loom problem.

We did three of these on the same day recently.

oldmoley · « **Reply #3 on:** January 26, 2017, 07:19:42 pm »

Many thanks for your advice folks. I have a new spare loom handy, so will take a deep breath and get cracking on this one tomorrow. As an antidote, I have a motor change to do on a DC07 CLIC. Should return me to (relative) sanity!