DC07 clutch problems, maybe?

[StringWells]

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I acquired this clutched, hepa model which had a severe screeching noise from down below. I stripped it down and found the brush bar was seized. I stripped and checked the clutch which seemed ok. I fitted a new brush bar and it worked ok for a few months until the brushes burnt out. I replaced the motor and now the screeching noise reoccurs when the clutch is engaged. It may go ok for a few moments ok, but then suddenly starts screeching. What sort of faults can a clutch develop?

[__russ__]

I acquired this clutched, hepa model which had a severe screeching noise from down below. I stripped it down and found the brush bar was seized. I stripped and checked the clutch which seemed ok. I fitted a new brush bar and it worked ok for a few months until the brushes burnt out. I replaced the motor and now the screeching noise reoccurs when the clutch is engaged. It may go ok for a few moments ok, but then suddenly starts screeching. What sort of faults can a clutch develop?

Try the easy fix first - pop the end caps off the brushbar, clear out any dirt, hair etc out of the ends and give the bearings a good lubricate and see if that makes a difference .

I would say that's the most likely culprit of the screeching

 

[StringWells]

Right: I have dismantled it a bit. I took brush tray and clutch assembly out and lots of bits of rubber present. I'm thinking I may have replaced clutch assembly and twisted the belt last time!  Now I'll wait for some dirt to appear and test it properly. Anyway thanks for your prompt help