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> Psssst; Hey Buddy, Wanta see a picture of a naked relay?
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post Mar 31 2009, 05:03 PM
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Had a defective relay so I opened it up. Might be of interest or not.
First pic (top view) shows copper lead from #30 pin to solder terminal and just to the right of that is the attach point for the tensioning spring which keeps it in a normally open position with it's relationship to #30.Attached Image
Next pic shows side view of contact points. The pin on the left is #87 and the pin on the right is#87a. Notice the double contacts and that it is currently in contact with #87a. One contactor point above and one below with the plate contactor (which #30 is soldered to) in between, moving between these 2 points. I guess that would make it a double throw switch of sorts. In it's non-energized state #30 contacts #87a. When energized the electro magnet pulls the contactor plate down and away, breaking contact with#87a and connecting to #87. Attached Image
The 3rd pic is a side view of spring attach points and copper lead from #30 pin. Of the 3 front pins, the center pin is #30, the one to the right of it is the infamous "I ain't got no voltage here" #86 and of course the one on the left side is #86.Attached Image
One last thing. The #85 & #86 pin positions are flip flopped on the relay pictured on pg. 161 (in the Hayne's "Keep Trying Manual") from those pictured on pg's 147 and 154. Really?
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