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#1
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I called Weldon during that time, for example, and they said that they had no PMA for pre-echo. In fact, the way they concluded that was by both of us browsing together to the FAA site where the PMA documents are published. We found eight of them, none of which mentioned anything before the echo models. I have not seen or touched the pumps myself. I saw the box you mean that only says 337, but if you click on the link for the part on that same line (for further details) it once again only lists Echo onward. Good question about the parts manual... I'm still new to a lot of this; where can I find an updated version? |
#2
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I bought my pumps for my 1967 337b from https://aircraftaccessoriesofok.com/
Duke 4140-00-15 This was the physical part # on my pumps Luckily I had a couple spares from a 1967 337b parts plane They had them in stock but you must return your cores There is a core charge which they return if your cores are good I had some extra pumps kicking around so I sent them in and they confirmed that they were good cores so i was never charged the core charge I had to replace my pumps with an original the dukes the other pumps for the newer 337's are not certified for the older models Pull the panel and see if you can see the part # on your pump Hope this helps Frank
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1967 337B Flying in Skymasters since I was 16 Last edited by Frank Benvin : 02-20-24 at 10:43 PM. |
#3
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Oh I know those guys...got a governor or two from them. Didn't think to call them for an overhaul of the pump though.
Thanks for the suggestion. |