Don't do it, wait for the replacements otherwise you will ruin the
commutator of the motor............
I guess this was an environmental question (compost generation?), so maybe
you should have posted it on the lead free network.............8-)
Kind regards,
John Burke
------------------------------------
Avanex
John Burke
Senior Manager RoHS Compliance
[log in to unmask]
40919 Encyclopedia Circle
Fremont
CA 94538
tel: 510 897 4250
fax: 510 979 0189
mobile: 510 676 6312
------------------------------------
-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Blair K. Hogg
Sent: Tuesday, August 09, 2005 7:49 AM
To: [log in to unmask]
Subject: [TN] (OT) A soldering question, but not PCB
Please excuse this off-topic post, but if there were anywhere that this
question could get answered, it would probably be here.
I attempting to repair my lawnmower, which acts like it's not getting enough
gas - runs normally, then slows down, then speeds back up again. Only
problem is that it is a B&D rechargeable electric mower.
Well, being the engineer that I am, I take the thing apart and find that one
of the motor brushes has worn down to the point where the wire connected,
and now no longer makes contact except by accident. Further investigation
shows that the other end of the brush also has a contoured edge, so I
suspect that these are made symmetric to simplify assembly (can't go in
backwards), which suggests that if you knew about it you could reverse them
prior to it getting worn down this far thus extending the life.
Well, I've ordered the replacement brushes from B&D, but I'm wondering if I
could reattach the wire somehow I could get it working again. The only
problem is that I don't know if I would be able to solder directly to the
brush. I guess it wouldn't hurt to try, but I'm wondering if any of our
experts out there has any advice on this.
Thanks,
Blair
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