[R-390] clutch failure

[w9ya]

Watch out using WD-40 because when the solvent finally evaporates you are
left with wax !!

Vy 73;

de
Bob
w9ya


On Tue, Jul 28, 2009 at 6:48 AM, Paul Anderson <paul at pdq.com> wrote:

> I haven't looked closely at my 390 geartrain lately, so I don't know
> the exact part you're talking about.
>
> However, if there is no corrosion, then most likely 50 year old grease
> is holding them together.
>
> Consider a variety of approaches, usually from least offensive to most
> offensive.
>
> WD-40 is a good one, and is similar to kerosene.  Stronger solvents,
> especially thin ones like  acetone, might do well.  You could try
> boiling the assembly in hot water to see if that would break it free.
>
> Once freed up, you need to flush the old grease and replace with new
> if possible.
>
> As far as the rivets are concerned... take a close look at the
> assembly and think if perhaps stainless steel bolts might do just as
> well.
>
> Paul
>
> On Tue, Jul 28, 2009 at 1:53 AM, <odyslim at comcast.net> wrote:
> >  I have recently replaced a clutch gear assembly as it was locked up.
> >
> >  I now have 2 more that are seized. I have no more spares. They look
> > easy to take apart and repair but there is one problem. I dont know
> > where one would get the rivets used to hold the gear and clutch
> > together.
> >
> >  Has anybody taken one of them apart? Is there a source for the
> > rivets or can the clutch gear be soaked for a few days in WD-40
> > to free it up?
> >
> >
> > Regards, Scott
> > ______________________________________________________________
> > R-390 mailing list
> > Home: http://mailman.qth.net/mailman/listinfo/r-390
> > Help: http://mailman.qth.net/mmfaq.htm
> > Post: mailto:R-390 at mailman.qth.net
> >
> > This list hosted by: http://www.qsl.net
> > Please help support this email list: http://www.qsl.net/donate.html
> >
> ______________________________________________________________
> R-390 mailing list
> Home: http://mailman.qth.net/mailman/listinfo/r-390
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:R-390 at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>