I can't help with a commercial shop, but tedv sent me two almost 10 years ago which I successfully repaired in my shop and returned to him. I was thankful for the opportunity to see what happens to these 740/940 Yazaki units. This corroding leakage has no equal in any other brand or product I've seen.
The benefit to me was being able to write it up: http://cleanflametrap.com/speedo7.html
(tedv -- if you still have my address you're welcome to send it. If not, write me brickster at cleanflametrap dot com)
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Art Benstein near Baltimore
How come nothing rhymes with orange?
What? Nothing doesn’t rhyme with orange?
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