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Old February 5th 14, 08:16 PM posted to rec.autos.tech,sci.electronics.repair,alt.autos.bmw,alt.home.repair
Paul Drahn
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Posts: 1
Default Root cause insight into the common BMW blower motor resistorfailures

On 2/4/2014 8:09 PM, Ralph Mowery wrote:
> > wrote in message
> . ..
>>
>> I have had good luck removing the stuff used on motorcycle voltage
>> regulators that were potted soaking in MEK Methyl ethyl ketone
>> (spelling?). Potent stuff. Use outdoors and keep your hands out of it.
>> WW

>
> I don't know what it actually is but at work we desolved a potted firing
> system for a boat motor with something called OCP. Really stinks. Don't
> think I would want it in a car after it was used.
>
>
>
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My electronic assembly company built the electronic control unit for BMC
Chopper of Bend, Oregon. Now defunked. We used two-part black epoxy that
took 24 hours to completely cure. When applied it was water thin. Had to
prep the box with RTV to keep the potting from running out around the
connectors.

Paul
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