Air step mercury switches

[Don Bradner]

I guess nobody has any thoughts on this one? Earl got back to me this morning
and said it wasn't a part he would have, but he would try to come up with
drawings. Didn't sound too hopeful.

On 3/29/2007 at 2:59 PM Don Bradner wrote:

>The light which indicates that my step is extended began staying on last
>week. A bit of investigation shows that the part which should contact the
>mercury switches has broken off. It is attached to the end of the air
>piston rod, and a small piece of it remains on the other side.
>
>I don't think it should be too hard to fabricate, but I don't know at all
>what it looked like - flat piece of metal, z-pattern, or whatever.
>
>After studying the air step wiring diagram until my eyes want to cross I
>think it looks like, with neither switch working, I may be having
>continous power to the step solenoid in both extended and retracted
>positions. Not a good thing.
>
>I put in a call to Earl, but didn't get a callback. Anybody have any idea
>what that part looks like?

Don Bradner
90 PT40 "Blue Thunder"
Eureka, CA