[R-390] Ultrasonic cleaning

[Barry]

I don't have access to an ultrasonic cleaner so it's a bit of a moot point for me, but just curious what happens when cleaning things that touch in an ultrasonic bath.

I assume the advice to not clean the split gears is only when they're assembled (e.g. disassembling them and cleaning them separately is fine), but what does that do to the mating surfaces when they are cleaned when assembled?

Just curious...

Thanks,
Barry - N4BUQ

----- Original Message -----
> From: "rbethman" <rbethman at comcast.net>
> To: r-390 at mailman.qth.net
> Sent: Thursday, July 31, 2014 6:46:06 AM
> Subject: [R-390] Ultrasonic cleaning
> 
> If the split gears shouldn't be cleaned by an ultrasonic cleaner, the
> I
> would have even more reservations to placing the bearings in one!
> 
> In my mind, I see the bearings eating themselves!  Not a good idea.
> 
> Bob - N0DGN
> 
> 
> On 7/30/2014 9:44 PM, Bob Camp wrote:
> > Hi
> >
> > If you go near a radio with an ultrasonic, pull all the crystals
> > out of it first ….
> >
> > ———
> >
> > Ultrasonic cleaners work very powerfully over very short distances.
> > Something like a split gear is not a good thing to attack with an
> > ultrasonic.
> >
> > Bob
> 
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