Wohlhaupter UPA1 UPA2 UPA3 boring head exploded parts diagram
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    Default Wohlhaupter UPA1 UPA2 UPA3 boring head exploded parts diagram

    In various forums one can find manuals for Wohlhaupter UPA1 UPA2 and UPA3 boring heads. One can also find parts lists. But there do not seem to be any exploded diagrams on the internet.

    So I was happy when I found this document: patentimages.storage.googleapis.com/pdfs/US3371559.pdf which has five pages of nice sectional diagrams.

    Note that this patent describes an improvement to a Wohlhaupter UPA1/2/3 but the diagrams are completely applicable to the standard Wohlhaupter head.

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    Default Wohlhaupter UPA4 UPA5 UPA6 boring head exploded sectional parts diagram

    And here are the corresponding images for a Wohlhaupter UPA4 UPA5 and UPA6 boring head. http://patentimages.storage.googleap.../US3344693.pdf. These are not exploded diagrams but sectional drawings, but are nevertheless very useful if you need to work on one of these heads.

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    Thanks for finding these and making them available.

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    Quote Originally Posted by ballen View Post
    One can also find parts lists.
    I have been searching for a parts list but, so far, I've been unsuccessful. I have a UPA2 that is missing some parts that I know of and probably others that I haven't discovered yet.

    I've been in contact with someone at Allied Machine (which has apparently acquired Wohlhaupter) but they have not yet provided either the parts list or the exploded parts diagram. Any leads for either would be much appreciated.

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