Cycling Equipment · Public discussion

Adjuster barrel seized and snapped

Started by John McDowall · · Last activity · 10 posts · 1,008 views

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Cycling Equipment
Published
4 April 2004
Last activity
8 April 2004
Original author
John McDowall
Posts
10
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  1. Hi,

    I was changing the cables on my bike, and noticed that one
    of the adjuster barrels on the downtube had seized.

    Anyway, after applying some penetrating oil I tried to
    unscrew the unit from the frame but just wound up snapping
    it in two. See pics below

    jmcd.nudoh

    Any idea how I can get it out? I tried drilling, but it's
    not possible to get the drill parallel with the downtube
    (due to the drill's size).

    :-\

    John

  2. John McDowall said:


    Any idea how I can get it out? I tried drilling, but it's
    not possible to get the drill parallel with the downtube
    (due to the drill's size).

    :-\

    John

    you'll need a longer drill, which are available but not at
    the corner hardware store.
    --
    ---
    Marten Gerritsen

    INFOapestaartjeM-GINEERINGpuntNL www.m-gineering.nl

  3. Quoted post said:

    Originally posted by John McDowall
    Hi,

    I was changing the cables on my bike, and noticed that one
    of the adjuster barrels on the downtube had seized.

    Anyway, after applying some penetrating oil I tried to
    unscrew the unit from the frame but just wound up snapping
    it in two. See pics below

    jmcd.nudoh

    Any idea how I can get it out? I tried drilling, but it's
    not possible to get the drill parallel with the downtube
    (due to the drill's size).

    :-\

    John

    Dear John,

    Possibly an ez-out? If you're not familiar with them,
    they're shaped like extremely aggressive drill bits with
    a reverse spiral, but are much less brittle.

    You drill a hole in the stubborn stump, force the end
    in, and twist the square butt of the ez-outwith a
    wrench.

    You already have the hole in the broken piece,
    so some padding against the frame tube and a
    bit of tapping with a soft-faced hammer, careful
    wrenching, and profanity might ease the stump
    out.

    They're also know as screw extractors:

    http://www.harborfreight.com/cpi/ctaf/Displayitem.taf?itemnumber=40349

    Because your stump can come out either way,
    you could even try fitting a small wood or metal
    screw into the stump, but they tend to break off
    more easily than real ez-outs and because they
    rarely fit in straight, they tend to ruin the threads.

    Good luck,

    Carl Fogel

  4. John McDowall said:

    I was changing the cables on my bike, and noticed that one
    of the adjuster barrels on the downtube had seized.
    Anyway, after applying some penetrating oil I tried to
    unscrew the unit from the frame but just wound up snapping
    it in two. See pics below jmcd.nudoh Any idea how
    I can get it out? I tried drilling, but it's not possible
    to get the drill parallel with the downtube (due to the
    drill's size).

    An electrician's drill bit - twelve inches long and they
    flex a bit for that job

    --
    Andrew Muzi www.yellowjersey.org Open every day since 1
    April, 1971

  5. Quoted post said:

    Originally posted by A Muzi

    BJohn McDowall said:

    I was changing the cables on my bike, and noticed that one
    of the adjuster barrels on the downtube had seized.
    Anyway, after applying some penetrating oil I tried to
    unscrew the unit from the frame but just wound up snapping
    it in two. See pics below jmcd.nudoh Any idea how
    I can get it out? I tried drilling, but it's not possible
    to get the drill parallel with the downtube (due to the
    drill's size).

    An electrician's drill bit - twelve inches long and they
    flex a bit for that job

    --
    Andrew Muzi www.yellowjersey.org Open every day since 1
    April, 1971 [/B]

    Dear Andrew,

    I call your 12-inch slightly flexible drill bit and raise:

    http://www.wmballen.com/ProductDetail.cfm?product_id=1356

    or

    http://tinyurl.com/3ds7u

    Carl Fogel

  6. you could try an easy-out
    jaw.iinet.net.aueasyout.html but go
    real easy stuart

  7. stu said:

    you could try an easy-out
    jaw.iinet.net.aueasyout.html but go
    real easy stuart


    Difficult to get a good purchase in that kind of brazed-
    on fitting.

    --
    Andrew Muzi www.yellowjersey.org Open every day since 1
    April, 1971

  8. Quoted message said:

    Difficult to get a good purchase in that kind of brazed-on
    fitting.


    you're not wrong there, it would be a pita but I just had an
    idea a "self taping screw" could be uesd as an easy-out in
    the case because it could be screwed in from either end and
    then screwed right through if you can find one the right
    size it could be worth a try

  9. On Sun, 04 Apr 2004 19:24:10 +0100, John McDowall <jmcd@nothanks> may

    have said:

    Hi,

    I was changing the cables on my bike, and noticed that one
    of the adjuster barrels on the downtube had seized.

    Anyway, after applying some penetrating oil I tried to
    unscrew the unit from the frame but just wound up snapping
    it in two. See pics below

    jmcd.nudoh

    Any idea how I can get it out? I tried drilling, but it's
    not possible to get the drill parallel with the downtube
    (due to the drill's size).

    I'll weigh in on the side of the recommendation to get a
    longer drill bit to counterbore with, but I smell a
    complication. Is that frame aluminum? If so, there's
    unfortunately a good chance that the broken piece is not
    going to come out without mauling the threads in the boss.
    Fortunately, it's a low-stress item, so there doesn't need
    to be a full set of threads present in order for it to still
    function, but be prepared to need to have a helicoil
    installed just in case.

    Alternately, if getting the stub out proves intractable, an
    inline adjuster for the cable, combined with a judicious
    counterbore of the boss to turn it into a ferrule, might
    provide an alternate solution should there not be enough
    room for a helicoil.

    This might be a good time to turn the job over to a talented
    lbs. Extracting broken things from small holes is something
    of an art; I've done lots of them over the years, but I do
    not relish the task.

    --
    My email address is antispammed; pull WEEDS if replying via e-mail.
    Typoes are not a bug, they're a feature.
    Words processed in a facility that contains nuts.

  10. Werehatrack said:

    This might be a good time to turn the job over to a
    talented lbs. Extracting broken things from small holes is
    something of an art; I've done lots of them over the
    years, but I do not relish the task.

    A good LBS with an experianced mechanic will be able to have
    a go at this. Be prepared to pay a fair amount, if it takes
    an hour of faffing around you'll have to pay for an hour. An
    inexperiance mechanic may totally mess things up.

    --
    Andy Morris

    AndyAtJinkasDotFreeserve.Co.UK

    Love this:
    Put an end to Outlook Express's messy quotes
    home.in.tum.deoe quotefix

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