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Thread: Elevator Bearing stuck

  1. #11
    Senior Member efwd's Avatar
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    Default Re: Elevator Bearing stuck

    Pointers are sometimes offered through the build manual. This little extra instruction would be a nice addition to Notes in the manual.

  2. #12

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    Default Re: Elevator Bearing stuck

    Thanks Josh!
    Yes I missed that little picture simble.
    I will look at my old assy manual and see if it is listed on my print.
    (Probably is)
    I'm guessing this is from a newer manual.
    Now the problem, do I try and remove these and start over?
    Joe

  3. #13

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    Default Re: Elevator Bearing stuck

    Just as an FYI, no my print does not show the Loctite symbol. My guess is that came later for liability reasons. Because these are press fit bearings and if installed properly they should not require Loctite. And because some builders would not have experience installing them correctly they might spend to much time with the reamer thinking they need to make them slide in essier. Trust me, the ones we installed are never coming without a bfh.
    (As a note, when I say we installed them, I am building this kit together with my brother)
    Which brings up another question, can two names be listed for the mfg name at final inspection for certification?
    Joe
    Attached Images Attached Images

  4. #14
    Senior Member PapuaPilot's Avatar
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    Default Re: Elevator Bearing stuck

    Sorry to say, but just one person can be named as the builder. That person can also become the repairman who can sign off the condition inspection, but only named builder gets that privilege.
    Phil Nelson
    A&P-IA, Maintenance Instructor
    KF 5 Outback, Cont. IO-240
    Flying since 2016

  5. #15
    Senior Member
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    Default Re: Elevator Bearing stuck

    Quote Originally Posted by SilverFox5 View Post
    Just as an FYI, no my print does not show the Loctite symbol. My guess is that came later for liability reasons. Because these are press fit bearings and if installed properly they should not require Loctite. And because some builders would not have experience installing them correctly they might spend to much time with the reamer thinking they need to make them slide in essier. Trust me, the ones we installed are never coming without a bfh.
    Joe
    The Loctite will be there for couple reasons. First, it provides a bond between the welded bush and the first bearing/bush you install. Sometimes, you can get o/s on the welded bush ID by getting too excited with a reamer or the ID of the tube was o/s in the first place, so you don't get a good press fit. You need that to make sure it doesn't rotate. The plan is to make sure the inner bearing does the rotating because it's a softer material. Second, the Loctite can act as a corrosion barrier between the two dissimilar metals. The last thing you need is corrosion in primary joints and bare 4130 Chrome Molly steel doesn't handle corrosive conditions well.
    David
    SS7 Builder

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