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  1. #1
    Glutton for Punishment
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    Overhauling Shimano 3 speed coaster hub

    Looking for schematics, exploded view, or any infomation on disassembling and reassembling a Shimano 3CC three-speed coaster hub.

    It wasn't shifting at all when I brought it home. I pulled it apart and found it pretty gummed up. After degreasing, repacking the bearings, lubricating the epicyclic components with SAE 30 and reassembling, it shifts -- occasionally, and in a manner of speaking -- very notchy.

    Is it worth any further aggravation?

  2. #2
    Senior Member
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    Just so happens that I did the same thing with a 1960's schwinn.
    Heres where I got the diagram (after thinking it was too simple and screwing it up) Mine works perfectly now--Mom rides it and loves it!
    Hers the link http://www.oldroads.com/shim3spd.html

  3. #3
    Newbie
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    Shimano 3 speeds hub

    Please help!
    When I greased pulled out the axis 1 cm and now the shifting not works.
    How to disassamble to fix the problem?
    Thanks!

  4. #4
    Gear Hub fan
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    Nov 2008
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    Quote Originally Posted by ltoth45 View Post
    Please help!
    When I greased pulled out the axis 1 cm and now the shifting not works.
    How to disassamble to fix the problem?
    Thanks!
    Older Shimano 3 speed disassembly/reassembly instructions are available in "Glenn's New Complete Bicycle Manual". Normally available from used book dealers who list on Amazon as well as other used book internet sources.

    Your description is too poor to answer w/o more information including hub model and a clearer description.
    Gear Hubs Owned: Rohloff disc brake, SRAM iM9 disc brake, SRAM P5 freewheel, Sachs Torpedo 3 speed freewheel, NuVinci CVT, Shimano Alfine SG S-501, Sturmey Archer S5-2 Alloy. Other: 83 Colnago Super Record, Univega Via De Oro

    Visit and join the Yahoo Geared Hub Bikes group for support and links.
    http://groups.yahoo.com/group/Geared_hub_bikes/

  5. #5
    Newbie
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    Shimano 3 speed hub

    It's my old Shimano 3 speed F-Type, and shift dosn't work because fell out the 2 sliding key from the gap of axis.
    The problem, that I can't assamle.
    I think, first I must disassamble (remove) the complete rachet, to put back the 2 sliding key.
    My is F-Type 3 speeds HUB, US Pat: 3021726.

  6. #6
    Senior Member
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    like 15. my favorite a 1951 schwinn spitfire cruiser. also have a 1959 amf roadmaster, 1962 jch deluxe cruiser among others.
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    ive rebuilt over 8 sturmy archer aw 3speed hubs with no diagrams and 100% effectivness and they work great. ive tried to rebuild two shimano 333 3speed hubs (similar to the 3sc) and neither one ever seen the dropouts of a bike again. the shimano hubs are alot trickier to work on and alot less reliable than the s.a hubs. i won't even touch them and if the hub is worth it, have a shop look at it.

  7. #7
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    Finally, with small hammer knocks to the innen bigger ring opened the locking and after greasing I assembled and works well, the reason unknown what was the problem.

  8. #8
    Senior Member shecky's Avatar
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    Shimano 333 hubs seem to have a well deserved bad reputation. I do come across them once in a while. Rather than preventative maintenance/overhaul, if they are otherwise working, I tend to simply add a couple drops of a solvent/oil such as Marvel Mystery Oil down the hollow axle to keep the innards lubed. Don't waste effort taking them apart. If they aren't functioning well to begin with, just throw them away to keep them out of further circulation.

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