Linkage to rear drum issue
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  1. #1
    Junior Member sooptime's Avatar
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    Linkage to rear drum issue

    Hi All,

    Having an issue aligning and sliding link arm to the spine on the rear drum on my CB400. It just isn't pressing on fully. Only half the way. It is not mounted into the wheel yet. Thinking that the linkage needs to be spread apart. Any tips or considerations for positioning and getting it back on? Would kinda like to get this wheel back on with the new tire and get it back on the road. Thanks for any tips.

    Brad
    http://www.hondatwins.net/forums/signaturepics/sigpic14704_1.gif1979 CB 400

  2. #2
    Sensei 66Sprint's Avatar
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    Support the brake cam (the spline-ed post) from the rear/(inside) with the brake-plate off the wheel hub........Push on the arm, aligning dot and split or dots....secure arm.....

  3. #3
    Junior Member sooptime's Avatar
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    Thanks 66sprint. Ya, forgot to ask, what do I line up the arrow to? Checked the service manual and no mention. The opening at the end of the linkage arm? Guess gotta get the arm back off spline and spread the linkage first.

    Will look closer at the shaft and arm. Clymer references "dimples" to align.
    Last edited by sooptime; 04-03-2015 at 05:56 PM.
    http://www.hondatwins.net/forums/signaturepics/sigpic14704_1.gif1979 CB 400

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  5. #4
    Sensei 66Sprint's Avatar
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    NO spreading necessary,.... it pulled off, it should be able to be tapped or pushed back on.....

  6. #5
    Senior Member dtsmjr8dan's Avatar
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    The 'arrow' is a wear indicator. Like Steve said, there should be a dot on the cam spindle and on the arm. You just need to align the dots.
    Do you only have a Clymer's?
    Last edited by dtsmjr8dan; 04-03-2015 at 06:03 PM.
    1979 CM400T (rider),
    1979 CM400T (resting)
    1980 CM400T (just picked up in pieces)
    1981 CM400T (in surgery receiving transplant)
    1982 CM450 (donor engine for 81)
    1982 CB450 (parts bike)
    1985 VT1100C (rider)

    Past rides: Vincents, Triumph, BSA's, Suzuki's, Twingle, Corgy, others.

    Remember, today is the tomorrow we worried about yesterday.
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  7. #6
    Junior Member sooptime's Avatar
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    Quote Originally Posted by dtsmjr8dan View Post
    The 'arrow' is a wear indicator. There should be a dot on the cam spindle and on the arm. You just need to align the dots.
    Do you only have a Clymer's?

    Awesome stuff. Part to the puzzle I needed. Will advise. Thanks again.
    Have both the Honda and Clymers. The arm I have doesn't look like those in the Honda manual. Will get back to it.
    http://www.hondatwins.net/forums/signaturepics/sigpic14704_1.gif1979 CB 400

  8. #7
    Junior Member sooptime's Avatar
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    Well, all done. Wheel back on and brakes adjusted. The arm shouldn't have been that tight to get on. Going to order another arm when I replace pads.

    Thanks guys. The advice was great.
    http://www.hondatwins.net/forums/signaturepics/sigpic14704_1.gif1979 CB 400

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