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Offline river6109  
#1 Posted : 04 May 2011 11:17:59(UTC)
river6109

Australia   
Joined: 22/01/2009(UTC)
Posts: 13,569
Location: On 1965 Märklin Boulevard just around from Roco Square
Have received my micro switches the other day and have replaced them with the original Märklin ones.
I've noticed and most probably most of other members have had the same experience, sometimes the lever doesn't go back to its neutral position therefore the possibility arises the contact is still open.
I've come up with 2 reasons, 1.) the soldering time is too long and secondly the soldering temperature could be to high, eliminating some of the tension within the micro switch.
I also noticed the micro switch when soldering, it has a slight movement within the soldering holes. by moving them upwards gives you this bit of extra tension which is needed to keep the lever level.

John
https://www.youtube.com/river6109
https://www.youtube.com/6109river
5 years in Destruction mode
50 years in Repairing mode
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