The WORST roof motor I have seen to date.

D

Ducklakeview

Elite
 Merseyside
Ok,

Was doing a job Sunday. The motor hadn't worked for a couple of years. When removed, it looked like this...

20170716_132803.jpg20170716_132807.jpg

It was seized solid at BOTH end bearings, and had major corrosion and broken tracks on the PCB..

Half an hour later, it was back in and working like a dream :)

Mike
 
Great work,that's one hell of a mess,just shows what can be resurrected when you haw the talent :thumbsup:
 
NOOOOOO WAAAAAAAY Mike you need to change your user name to The Roof Doctor well done fella :D :thumbsup: :thumbsup:
 
GuidoK said:
Did you open up the motor itself too?
Click to expand...

Yes, I always do if they are inop. Simply soaking them in diesel etc won't remove the internal corrosion on the commutator, or release sticking brushes. There are a couple of capacitors inside that are of the film type, and they rot away breaking the internal circuits. Soldering and replacement is required to get them going again.

Mike
 
So do you tap those clunked pins/corners back with a chisel and afterwards punch them shut again?
As far I could see thats the only way to open them.
I mean these edges that are punched:
comm2.jpg
(this is a facelit motor, obviously not nearly as damaged as the one you're showing :D )

The internal capacitors are I think soldered in parallel, not series? (so if they would break away they would not break circuit, they are there for noise suppression)
 
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