Author [NL] [FR] [ES] [DE] [SE] [IT] Topic: Patch Locked Screws  (Read 4149 times)

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  • Offline Tiny Tim

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    Offline Tiny Tim

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    Patch Locked Screws
    on: Dec 22, 2015, 02.55 pm
    Dec 22, 2015, 02.55 pm
    I will be removing the fascia at sometime in the future and was doing some prep ahead of the project.

    I noticed in Triumph's PDF instruction for fitting the Sat Nav mount (which includes removing the fascia) that two screws are Patch Locked and must be discarded (and I assume replaced with new screws).

    "When removing the instrument fascia, the two
    inner screws adjacent to the upper windscreen
    arms, which retain the instrument fascia to the
    cockpit front panel, are patch-locked. These
    screws must be discarded."

    Can anyone elaborate please?
    The world is divided into 10 types. Those who understand the binary system and those who don't.

    Regards

    Tiny Tim

  • Offline silverstripes   gb

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    Offline silverstripes

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    Re: Patch Locked Screws
    Reply #1 on: Dec 22, 2015, 03.47 pm
    Dec 22, 2015, 03.47 pm
    Hi Tim. Yes the kit includes two replacement bolts for you to use. These are coated in a threadlock. The old ones when removed are coated and I assumed when I did mine that the new ones are coated in the same threadlock that Triumph use.

    I would imagine that any proprietary threadlock would also be ok.

    Does this help
    It wasn't me !!

  • Offline Coconut   gb

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    Offline Coconut

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    Re: Patch Locked Screws
    Reply #2 on: Dec 22, 2015, 03.55 pm
    Dec 22, 2015, 03.55 pm
    There are quite a few screws and bolts dotted around the Trophy,
    that Triumph recommend are replaced with a new one after removal,
    rather than being re-used, as per various instructions in the Service Manual,
    and these all apear to be "patch-locked",
    i.e. they have had some sort of thread locking compound used on them.

    Other than bolts that are tightened "VERY" tight, and which might therefore
    have less strength if re-used, the general concensus of opinion seems to be
    that iit is OK to lcean up some of these bolts and re-use them
    after applying some suitable fresh locking compound.

    Cheers  :821:

    Last Edit: Jul 27, 2017, 08.53 pm by Coconut

  • Offline janfmiller   us

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    Offline janfmiller

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    Re: Patch Locked Screws
    Reply #3 on: Dec 22, 2015, 03.59 pm
    Dec 22, 2015, 03.59 pm
    I had the front fairing replaced on my TTSE as it was blemished.  Later I had reason to remove the screws and they appeared to not be 'new' though the threadlock coating was still visible, so I think the shop reused the old screws and did not apply any threadlocker.

    That said, I re-use external Patch-Locked fasteners, but apply Blue Loctite...    If it was something internal to the engine or super-buried in the tupperware, I would buy a new fastener...

    Speaking along the same lines, I've had to tighten up my crankcase bolts twice now to stop weeping oil...  Anyone else??



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  • Offline Zebraranger   us

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    Offline Zebraranger

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    Re: Patch Locked Screws
    Reply #4 on: Dec 22, 2015, 04.39 pm
    Dec 22, 2015, 04.39 pm
    Speaking along the same lines, I've had to tighten up my crankcase bolts twice now to stop weeping oil...  Anyone else??
    I had to do the same thing for the same reason a couple of months back, all is good. Had to do the same thing on my two previous Triumphs, a Bonneville and a Sprint ST.

  • Offline BigD

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    Offline BigD

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    Re: Patch Locked Screws
    Reply #5 on: Dec 23, 2015, 01.36 pm
    Dec 23, 2015, 01.36 pm
    I just reused the original screws and used blue Loctite.   Saved the new screws that came with the kit for another day.

  • Offline earthman   gb

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    Offline earthman

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    Re: Patch Locked Screws
    Reply #6 on: Dec 24, 2015, 09.20 am
    Dec 24, 2015, 09.20 am
    I've reused bolts before on other bikes, (non critical items) and just used a locking fluid, no problems.

    I'm more concerned about you chaps who have had oil seeping out,...how common is this?

  • Offline Ray_B

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    Offline Ray_B

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    Re: Patch Locked Screws
    Reply #7 on: Dec 24, 2015, 04.41 pm
    Dec 24, 2015, 04.41 pm
    I have 28k miles on my '13 TT with not a speck of leakage so far.
    Ray