[NTLK] MP130 Stiff Power Switch

Z J McCord zjmccord at gmail.com
Thu Jan 17 16:07:44 EST 2013

Off-gassing vapors from silicone oil can creep between contacts, deposit,
and insulate the connection over time. Teflon powder would be safer.
On Jan 17, 2013 12:23 PM, "Joel Sciamma" <joel at inventors-emporium.co.uk>

> On 17 Jan 2013, at  17:00, Ross Deihm wrote:
> > I had a similar problem on my 120.  Had it for years and still have
> > it. I have had it apart, but found no reason beyond basic friction of
> > the plastic sliding pieces of the case. The switch itself with out the
> > lever required little to no force to activate. I never tried
> > lubrication of the plastic with anything for fear of causing more
> > problems, but I did train myself to be more gentle on the slide. More
> > force didn't make it any smoother, and soon I got used to the minimum
> > "touch" to power on. I also tend to use a fingernail rather than
> > finger. Fingers caused me to push in more than down, making it
> > stiffer. A light pinch with a index finger nail was much easier. Hope
> > that helps.
> >
> > On 1/15/13, Chris Chapman <chrisc30 at me.com> wrote:
> >> Hey guys,
> >>
> >> I dug out my trusty MP130. It works and all, but the power switch is
> really
> >> stiff. If this a known problem with a cure?
> You can lubricate any ABS parts with clear silicone (not silicon) grease
> that is commonly available in electronic stores and it wont have any effect
> on the plastic parts, like a mineral lubricant, and will have no effect on
> electrical contacts other than preventing corrosion.
> Mine is Dow Corning MS4 (now DC4) silicone compound.
> Only a small amount is required, so it lasts forever.
> Highly recommended for all such jobs.
> Joel.
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