Author [NL] [FR] [ES] [DE] [SE] [IT] Topic: Brake/Gear pivot bolts  (Read 3216 times)

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  • Offline Novocastrian   gb

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    Offline Novocastrian

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    Brake/Gear pivot bolts
    on: Oct 14, 2019, 12.25 pm
    Oct 14, 2019, 12.25 pm
    With a due amount of concern to the reports of snapping pivot bolts and with guidance from Trophy Master (so I would know who to blame LOL), I removed the brake pivot bolt first today.  A bit of heat to soften the thread seal compound, then the bolt came out easy enough.

    The spare bolt I bought, just in case (my house is full of "just in cases" ) is definitely different, but the only difference I can see is the machining on the head. One has a flat around the edge; the new one has a bit of a curve or dome.  The materials look to be the same. The new bolt was in a sealed Triumph pack dated 14/06/2019

    I've put the old one back in. I've removed the thread lock compound and will apply some grease. I'd rather have it work loose than come out in two parts  :002:

    Last Edit: Oct 14, 2019, 12.51 pm by Novocastrian
    Ken Hastie
    TTSE, a handful of BSAs, a Vespa 300 and an MGB

  • Offline Novocastrian   gb

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    Re: Brake/Gear pivot bolts
    Reply #1 on: Oct 14, 2019, 01.01 pm
    Oct 14, 2019, 01.01 pm
    That's me, I guess  :008: :008:

    Ken Hastie
    TTSE, a handful of BSAs, a Vespa 300 and an MGB

  • Offline Novocastrian   gb

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    Re: Brake/Gear pivot bolts
    Reply #2 on: Oct 14, 2019, 01.52 pm
    Oct 14, 2019, 01.52 pm
     Interestingly, the gear change pivot bolt was a completely different kettle of fish.  Attracted a lot more dirt and road sh#te, but also, whatever grease was on the actual pivot had hardened into a gum like substance. It certainly wasn't lubricating any longer.

    I'll be putting a replacement bolt into this before reassembly.

    Ken Hastie
    TTSE, a handful of BSAs, a Vespa 300 and an MGB

  • Offline janfmiller   us

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    Re: Brake/Gear pivot bolts
    Reply #3 on: Oct 14, 2019, 04.37 pm
    Oct 14, 2019, 04.37 pm
    On my last trip, the shifter on my '13 TTSE got 'balky'...  Being aware of the snappage problem, I was very gentle until I could obtain a spray can of lube.  Every stop I'd hose down the pivot, and after a few applications it loosened up and went back to normal.  Lack 'O Lube.  I've lubricated this before, but never experienced any sticking before.  I imagine my bolt looks like yours...

    this picture convinces me I should pull these bolts at the next 20K and clean and lube ( or replace ) them.  And do the rear shock linkage at the same time, lubed it when I put in Lust lowering links, found the bearings essentially dry then.  But, my bad, haven't tended them since.

    37 degrees and raining/sleeting here on and off anyway....   Think the season is over in The Frozen North ( the land of the ice and snow where the cold winds blow )...
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  • Offline Novocastrian   gb

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    Re: Brake/Gear pivot bolts
    Reply #4 on: Oct 14, 2019, 05.11 pm
    Oct 14, 2019, 05.11 pm
    Worth bearing in mind, Jan, that this was the bolt of a 2016 bike that had only done 5,000 miles !! (and the previous owner claimed it had never seen rain, although I think that claim had been exaggerated a tad LOL)
    Ken Hastie
    TTSE, a handful of BSAs, a Vespa 300 and an MGB

  • Offline paddington   es

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    Re: Brake/Gear pivot bolts
    Reply #5 on: Oct 14, 2019, 06.43 pm
    Oct 14, 2019, 06.43 pm
    anybody help me with the part numbers please :821:

  • Offline Pipwidge

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    Re: Brake/Gear pivot bolts
    Reply #6 on: Oct 14, 2019, 07.29 pm
    Oct 14, 2019, 07.29 pm
    I have this part no for the pivot bolt,,,    T3331400. or T3331520
       but I cheated and looked it up on the parts list Coconut kindly supplied  :164:
    Last Edit: Oct 14, 2019, 08.06 pm by Pipwidge

  • Online Coconut   gb

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    Re: Brake/Gear pivot bolts
    Reply #7 on: Oct 14, 2019, 07.52 pm
    Oct 14, 2019, 07.52 pm
    That's NOT cheating Pipwidge, it's exactly why I created it in the first place !

    And for anyone that hasn't spotted it - Click here :

    Spare Parts List.

    Cheers  :821:

    Last Edit: Nov 24, 2019, 01.21 pm by Coconut

     



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