Has anybody done it?  I see you can send them out to a company for $225 for a repair but I would rather put money in someone here's pocket or maybe have a tutorial/description of what to do.  Running out of spare units.  

I've never seen anything online about it, I do have one here in unknown condition from a car I parted many years ago if you have need of another core.

Cool, how much?  Willing to try it of course.

I seem to remember someone using window defrost repair paint to repaint the contact areas. Take it with a grain of salt though.

Edited March 8, 201313 yr by AKghandi

pm me an offer Shawn, I've got no use for it.

If I remember, I will look at an EA82 flap-style and see what the innards look like.  (I assume that they are probably close in construction.)  If you have opened up one of yours, a posted picture of the resistance-surface/wiper might be useful.

I have a photo here.  

Let's see if I can add a picture...

 

Edit:  Well, apparently I have no clue how to do this on the new software.  Too bad, 'cuz I had a pretty decent pic of an 85 EA82T flap meter.  The EA85's on first blush looks rather complicated, with multiple resistance paths.  I think if I stare at it long enough it will makes sense.

 

Anyway, the common thing to do with this style of resistance-film/wiper arrangement seems to be to shift the contact tracks so the wiper's contacts are tracing over un-gouged  film surface.  A way to go about that on the EA82 version would be to put a slight chicane/s-curve in the wiper arm, drawing the contacts closer to the wiper pivot.  Alternately, you could elongate the resistance board's mounting holes to allow some fore/aft adjustment.

 

While helping a friend resolve a Volvo TPS issue, I looked into repairing the film, and it is a bit of a pain.  The common practice seems to be to add a particular type of graphite into a binder (can't remember offhand what they used, but it was common), and experiment with different ratios of graphite-to-binder until you got the proper resistance per unit-length.

Edited March 8, 201313 yr by NorthWet

send me the pic and I'll post it up,

iownasubaru at yahoo dot com

 

Has anybody done it?  I see you can send them out to a company for $225 for a repair but I would rather put money in someone here's pocket or maybe have a tutorial/description of what to do.  Running out of spare units.

 

These should be helpful.

Think I may have posted them previously.

Haven`t tried it myself.

http://the944.com/afm.htm

http://www.clarks-garage.com/shop-manual/elect-22.htm

http://www.gomog.com/articles/EFIflap.html

I bought one from an importer once that was faulty and he replaced the board in it with the cabon tracks on it, I dont know where he got the board though.