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brake question

Discussion in 'Experienced Truckers' Advice' started by screamin eagle, Sep 6, 2015.

  1. Sep 6, 2015 #1
    screamin eagle

    screamin eagle Light Load Member

    103
    39
    Apr 18, 2009
    texas
    0
    Not sure where to post this but here goes.
    I am wanting to know why the snap rings on the slack adjuster would keep breaking causing the adjuster to come loose. Rings were replaced and two days later the slack adjuster came loose again.
    any advice as to a reason is appreciated.
     
    screamin eagle, Sep 6, 2015
    screamin eagle, Sep 6, 2015
    #1
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  3. Sep 6, 2015 #2
    Mr.X

    Mr.X Heavy Load Member

    737
    596
    Oct 31, 2013
    Spokane, WA
    0
    Either not seated in the groove or wrong snap rings Im guessing. Never heard of that happening. Was the slack adjuster replaced, and then you started having the problem?

    ETA: maybe try a smaller ID snap ring.
     
    Mr.X, Sep 6, 2015
    Mr.X, Sep 6, 2015
    #2
  4. Sep 6, 2015 #3
    lester

    lester Midwest's #1 Feed Hauler

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    Jan 2, 2012
    NW, Iowa
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    Proper shims and placement
     
    lester, Sep 6, 2015
    lester, Sep 6, 2015
    #3
  5. Sep 6, 2015 #4
    baha

    baha Road Train Member

    4,137
    2,837
    Jul 25, 2013
    ga
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    Look on outside of S/cam at drum to see if the snap ring is still in place at outside of washer at bushing where you grease S cam? If missing S cam will be trying to get pushed into drum an the snap ring at adj. arm is taking all the pressure when you press on brakes, S/cam will be pushed into drum and jump off rollers inside drum, then all will have to be taken apart to fix your brake.
     
    Last edited: Sep 7, 2015
    baha, Sep 6, 2015
    baha, Sep 6, 2015
    #4
  7. Sep 7, 2015 #5
    AModelCat

    AModelCat Road Train Member

    29,421
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    Jul 7, 2015
    Canuckistan
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    What condition are the snap ring grooves on the end of the cam in?
     
    AModelCat, Sep 7, 2015
    AModelCat, Sep 7, 2015
    #5
  8. Sep 7, 2015 #6
    icsheeple

    icsheeple Trailing the Herd

    2,548
    2,552
    Nov 1, 2013
    Kansas City, KS
    0
    [​IMG]
     
    icsheeple, Sep 7, 2015
    icsheeple, Sep 7, 2015
    #6
  9. Sep 7, 2015 #7
    screamin eagle

    screamin eagle Light Load Member

    103
    39
    Apr 18, 2009
    texas
    0
    thanks for all the replies, I had never heard of this happening and as brakes being important, I think someone besides me should be trying to fix this issue.
     
    screamin eagle, Sep 7, 2015
    screamin eagle, Sep 7, 2015
    #7
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