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Re: [OM] Fried 18v Motor drive contacts

Subject: Re: [OM] Fried 18v Motor drive contacts
From: "John Hermanson" <omtech@xxxxxxxxx>
Date: Fri, 6 Dec 2002 09:14:28 -0500
The fried md pins applied to MD 1 only.
_________________________________
John Hermanson  www.zuiko.com
Camtech, Olympus Sales & Service since 1977
21 South Lane, Huntington NY 11743-4714
631-424-2121 For Free Olympus manuals,
please call 1-800-221-3000
_________________________________
----- Original Message -----
From: "John Hermanson" <omtech@xxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Friday, December 06, 2002 8:28 AM
Subject: Re: [OM] Fried 18v Motor drive contacts


> The 18v grip  (and nicad pack) can fry the motor drive pins. Sometimes it
> will do it if the motor / nicad (already screwed together as a pair) are
> then mounted to the camera with the nicad / grip switch turned ON. (I
> discovered this caution is featured in atleast the nicad instruction book,
> it may be in the 18V grip instructions too, I'm not sure)  This can cause
a
> power surge and may cause the experienced motor damage.  In the 18v grip
it
> can also melt the battery contacts inside the grip AND the contacts on the
> battery holder.
> This melting can also occur with the 18v grip if the switch is OFF,
> depending on what day of the week it is, or where the moon was positioned
> the night before ;-)
> _________________________________
> John Hermanson  www.zuiko.com
> Camtech, Olympus Sales & Service since 1977
> 21 South Lane, Huntington NY 11743-4714
> 631-424-2121 For Free Olympus manuals,
> please call 1-800-221-3000
> _________________________________
> ----- Original Message -----
> From: "Bob Fenstermacher" <bobfenstermacher@xxxxxxxxxxxxxx>
> To: <olympus@xxxxxxxxxxxxxxx>
> Sent: Thursday, December 05, 2002 2:11 PM
> Subject: [OM] Fried 18v Motor drive contacts
>
>
> >
> >
> > It's been awhile since I jumped in on any discussions.   Been learning a
> lot though.  You guys and gals have been a wealth of
> > information-Thanks.
> >
> > Got a question that I haven't seen brought up currently nor in archives
.
> >
> > I have two 18v hand grips for a couple of motor drive 1's that I have
used
> for my OM-1MD.  The motor drives work fine with the
> > normal rechargeable battery packs but occasionally, I've used the two
18v
> hand grips that I've acquired over the years.  After
> > working for some time,  both of the 18v packs have fried the contacts at
> the top and ruined the contacts on the Motor Drives 1 as
> > well.
> >
> > Last Thanksgiving, at a 50th anniversary restaurant dinner for my
in-laws,
> the grip starts smoking.  >
> > The normal pack on a third Motor Drive 1 works fine.  Haven't had any
> problems since then.
> >
> > What causes this?  Anyone else experience anything like it?  John, any
> suggestions/comments?
> >
> > TIA,
> >
> > Bob F,  aka nwrecruiting-headhunter from Washington.
> >
>
>
>
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>



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