Cycling Equipment · Public discussion

Installing Sun Power down tube shifter problems

Started by ddog · · Last activity · 2 posts · 448 views

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Cycling Equipment
Published
15 January 2007
Last activity
15 January 2007
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ddog
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  1. I'm having a hard time lining up getting rachets back on the swift
    shift bracket, but would be near the same as putting back on down tube
    brackets/braze ons. Nothing on google I can find, but I can see that 2
    internal parts and the silver external washer with the same rectangle
    shape need be lined up. Its just hard holding lined up while torqueing
    down, and figuring out if a specific torque is required. Some times I
    get it right, but it doesn't hold like it was never compressed enough
    properly before torquing. Any help or reference links would be greatly
    appreciated.

    Here are the shifters disassembled. The right shifter looked like it
    had an additional internal side paper thin ring, and it was tighter as
    well (now its the only one that feels good with only 2 paper thin
    washers).

    http://www.dooberywhatsit.com//files/RSC-1-14-7FrictionShiftersParts.jpg

    Maybe I need to apply compression when lined up until torqued, but
    would like to know how so I don't bend one of those paper thin washers.

    Maybe a special tool with a hole to apply pressure while torquing
    through the tools hole is needed. This stuff can drive someone crazy if

    they are not careful. I should have known it wouldn't just magically
    start clicking by putting a screw in the hole. But my right one seems
    fine (?), so maybe its just accuracy required along with a little trial

    and error luck. And maybe I just need to bring to my guru wrench at
    LBS.

    Starting to look good though:

    http://www.dooberywhatsit.com//files/RSC-1-14-7FrictionShiftersParts.jpg

    Any help would be greatly appreciated.

    Thanks,
    Phil Bailey

  2. http://www.dooberywhatsit.com//files/RSC-1-14-7ShiftersAsms.jpg

    Link above was 2nd assembly link from message above.

    ddog said:

    I'm having a hard time lining up getting rachets back on the swift
    shift bracket, but would be near the same as putting back on down tube
    brackets/braze ons. Nothing on google I can find, but I can see that 2
    internal parts and the silver external washer with the same rectangle
    shape need be lined up. Its just hard holding lined up while torqueing
    down, and figuring out if a specific torque is required. Some times I
    get it right, but it doesn't hold like it was never compressed enough
    properly before torquing. Any help or reference links would be greatly
    appreciated.

    Here are the shifters disassembled. The right shifter looked like it
    had an additional internal side paper thin ring, and it was tighter as
    well (now its the only one that feels good with only 2 paper thin
    washers).

    http://www.dooberywhatsit.com//files/RSC-1-14-7FrictionShiftersParts.jpg

    Maybe I need to apply compression when lined up until torqued, but
    would like to know how so I don't bend one of those paper thin washers.

    Maybe a special tool with a hole to apply pressure while torquing
    through the tools hole is needed. This stuff can drive someone crazy if

    they are not careful. I should have known it wouldn't just magically
    start clicking by putting a screw in the hole. But my right one seems
    fine (?), so maybe its just accuracy required along with a little trial

    and error luck. And maybe I just need to bring to my guru wrench at
    LBS.

    Starting to look good though:

    http://www.dooberywhatsit.com//files/RSC-1-14-7FrictionShiftersParts.jpg

    Any help would be greatly appreciated.

    Thanks,
    Phil Bailey

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