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Re: Crank removal help??

Started by burjzyntski · · Last activity · 8 posts · 341 views

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rec.sport.unicycling
Published
7 July 2005
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7 July 2005
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burjzyntski
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  1. The first time around I didn't have to put the cranks on this unicycle
    because it came with them already on, but now that I have to replace one
    I can't seem to get the old ones off. I use old loosely, the uni is
    about two weeks old. The cranks and pedals need to be replaced because,
    in my anticipation, I didn't notice that the right pedal was threaded
    differently from the left one...oops. About 4 days later I realized that
    something was feeling funny and tried removing the right pedal, which I
    discovered had become stripped. I emailed Torker and explained what
    happened, they sent out the replacement cranks and pedals (free of
    cost), and now it's up to me to put it together right this time.

    But the cranks don't want to come off 🙁 . I have been pulling on them
    by hand because I don't want to loosen them with a hammer/some other
    sharp force and risk damaging the hub (which is square tapered).

    Any suggestions?

    Would some sort of grease or WD40 help at all? I don't want to do
    anything to harm this new uni, and most (if not all) of you are more
    experienced than me.

    --
    burjzyntski - thejoeb

    It's no good being Polish unless you prove it once a day.

    "You could mix vodka with bologna and it would still [censored] rock."
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  2. Hey, Torker did the same for me, although I didn't think I threaded the
    pedals wrong, but for me it took many emails from my dad convincing them
    to send replacements, partly because i didn't get mine from an
    "authorized dealer"

    Anyways
    yOu can either: get a park tool crank puller ($20), or use a crobar to
    pry it off, i've used a crowbar on a friend's united trials and it
    worked fine
    on my other friends schwinn, only a crank puller would work

    first, you have to pry the dust cap out (w/ something sharp), and then
    undo the nut w/ a 14mm socket

    --
    ColDawG - I go both ways:

    Your friendly, neighborhood Muniman
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  3. I already have the dust cap and 14mm nut off, but the cranks seem to be
    very firmly in place...

    Would putting on some lube help? What else would do the same job as a
    'crank puller' ?

    --
    burjzyntski - thejoeb

    It's no good being Polish unless you prove it once a day.

    "You could mix vodka with bologna and it would still [censored] rock."
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  4. You really should use a crank puller. Any other method risks doing
    damage to your uni. Seeing that you've been given a reprieve from
    Torker, you should either buy yourself a crank puller or take it to a
    local bike shop tomorrow and see if they can remove the cranks for you.

    --
    One on one - Proud member of the UALW and GUA

    "However, like the jet pilot, if the Coker rider tries to turn too fast,
    he/she could black out."
    -Memphis Mud

    I went further than I had planned and had a testicle break at about 25
    ks
    -onebyone

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  5. If you intend to be a serious unicyclist, and do repairs relatively
    frequently, invest in the crank puller, which you can probably get at
    your local shop. They can probably even show you how to use it.

    There is a cheap way, however, to get your cranks off without tools.
    Ride it around. Idling is usually enough to loosen them up. If not, do
    some light hopping, first with one pedal in front and then with the
    other. Make sure you don't continue riding after the cranks are loose,
    as this will cause unwanted wear.

    --
    johnfoss - More Moab Fun

    John Foss, the Uni-Cyclone
    "jfoss" at "unicycling.com" -- www.unicycling.com

    "Read the rules!" -- 'IUF Rulebook'
    (http://www.unicycling.org/iuf/rulebook/) -- 'USA Rulebook'
    (http://www.unicycling.org/usa/competition/)
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  6. Dang...the threading in my Torker cranks got screwed up and I just
    ordered new ones from my LBS. I'm getting REALLY FRUSTRATED now as it's
    been about a week and a half since they ordered the things and I haven't
    ridden since then (I'm honestly feeling a noticeable change in my
    demeanor since my uni broke...I've been irritable, depressed and angry)!
    I should have called Torker. Maybe I still should...get an extra pair
    of cranks.

    --
    HistoricalGoof - Cruisin' in B&W!
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  7. I posted almost this same topic when I was getting started a few years
    ago. I thought that the nut was the only thing holding the cranks on
    the axle. You've got to understand that the nut is tightened very
    tightly - to the point where the crank is pushed hard onto the square
    taper of the axle. So, its not the nut that holds the crank on, nor is
    it the tightness of the crank around the axle, but its both of those
    things re-inforcing each other.

    This is why often if you take off the nut, the crank is still very tight
    on the axle. This is also why if the nut gets loose, eventually the
    crank will loosen, too. So its like Foss is saying. Take off the nut
    and eventually the crank may work itself loose. You can speed up the
    process by hopping around or idling with the nut off. But this is
    really not the right thing to do, and it can damage your equipment.

    Anyway, at the time I really didn't want to order a crank puller because
    I get very impatient. (I have the new cranks here, why can't I just get
    this done now!?). But in retrospect, I feel kind of dumb. Getting the
    crank puller is just the right thing to do, I've used it a million times
    since, and my equipment is in much better shape because of it.

    I've been there, man. Forget about creative alternate methods. You
    should really just get the tool.

    http://www.unicycle.com/shopping/shopexd.asp?id=420

    --
    nbrazzi - _______________

    Intellectual brilliance is no guarantee against being dead wrong.

    -Carl Sagan
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  8. nbrazzi said:

    *I've been there, man. Forget about creative alternate methods. You
    should really just get the tool.

    http://www.unicycle.com/shopping/shopexd.asp?id=420 *

    The 'Park CWP crank puller'
    (http://www.unicycle.com/shopping/shopexd.asp?id=421) is better for
    unicycle use.

    The problem with the CCP style crank puller is that the handle is longer
    than most unicycle cranks. In order to turn the handle through the full
    360 degrees to be able to operate the tool you will need to remove the
    pedal from the crank. That is not always very convenient.

    The CWP style crank puller doesn't have that problem because it doesn't
    have an attached handle. However, you do need to have a crescent wrench
    or some other wrench on hand to be able to tighten the tool and operate
    the tool. You can leave the pedal on the crank.

    --
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