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500S Electric Trim Switch Replacement

 
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swperk(at)earthlink.net
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PostPosted: Mon Feb 15, 2010 6:51 pm    Post subject: 500S Electric Trim Switch Replacement Reply with quote

Hi Tommy,

Are you absolutely certain that it’s the switch and not the wiring or the trim servo itself?

If so, is the switch physically damaged or just not making electrical contact inside? If it’s the latter, sometimes a shot of contact cleaner down inside the mechanism can do wonders!

I was able to find these alternative part numbers for that switch:
Mason 305-4313
King 005-0267-0012

Esterline is a distributor for Mason Switches, and they have a sales desk that can probably help you find what you need. *Sometimes* if the salesman is in a good mood, and they have the switch in stock, you can have them send you a “sample” for no charge. Here’s what I found on a page on their web site:

MASON® Slide Switches
For more information or sales assistance, call us at 818-361-3366 or email mason.sales(at)esterline.com (mason.sales(at)esterline.com).

Here’s the actual page with drawings of the 305 series of switches:

http://www.esterline.com/LinkClick.aspx?fileticket=AbDCHJFMPf4%3d&tabid=2156

I also found a Mason 305-4313 that sold on eBay in December for $52.00, but there are no other switches currently listed.

Hope this helps,
Stan

From: owner-commander-list-server(at)matronics.com [mailto:owner-commander-list-server(at)matronics.com] On Behalf Of TOMMY MATHIEU
Sent: Monday, February 15, 2010 12:06 PM
To: commander-list(at)matronics.com
Subject:




Dear Sir;


I have broken a trim switch on the yoke of my 500S. I was wondering if someone might be able to point me in the right direction of finding a replacement please. The part number is 22048-0001 and it is a electric switch for an FCS-810 Bendix autopilot. The retail cost of this simple switch is astronomical! Anyone that might have a suggestion on where to find a used one of these would be very, very much appreciated. I sincerely appreciate any info you might provide and thanks very much for the assistance.
Tommy Mathieu
N915PR
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