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HELP PLEASE

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by GliderKitTrucker, Jul 11, 2020.

  1. Jul 11, 2020 #1
    GliderKitTrucker

    GliderKitTrucker Light Load Member

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    Can anybody tell me what this spring loaded nut is for?
     

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    GliderKitTrucker, Jul 11, 2020
    GliderKitTrucker, Jul 11, 2020
    #1
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  3. Jul 11, 2020 #2
    Lyle H

    Lyle H Road Train Member

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    If you are talking about on the slack adjuster, it’s the locking pin that you can pull back to back off the brakes.
    Use a thin bladed tool to pry the pin back and then back the brakes off.
    No need to unscrew the whole thing.
     
    Lyle H, Jul 11, 2020
    Lyle H, Jul 11, 2020
    #2
  4. Jul 11, 2020 #3
    GliderKitTrucker

    GliderKitTrucker Light Load Member

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    Okay... it’s loose, how do you get it back tight
     
    GliderKitTrucker, Jul 11, 2020
    GliderKitTrucker, Jul 11, 2020
    #3
  5. Jul 11, 2020 #4
    062

    062 Road Train Member

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    It’s a spring loaded plunger it doesn’t tighten up. It pulls straight out. The adjustment is on top,it should be 5/16.
     
    062, Jul 11, 2020
    062, Jul 11, 2020
    #4
  7. Jul 11, 2020 #5
    Lyle H

    Lyle H Road Train Member

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    Get what back tight?
     
    Lyle H, Jul 11, 2020
    Lyle H, Jul 11, 2020
    #5
  8. Jul 11, 2020 #6
    GliderKitTrucker

    GliderKitTrucker Light Load Member

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    The nut on the locking pin..there’s a gap between that nut and the back of the slack adjuster and I can twist it with my fingers. The other 3 aren’t like that
     
    GliderKitTrucker, Jul 11, 2020
    GliderKitTrucker, Jul 11, 2020
    #6
  9. Jul 11, 2020 #7
    Lyle H

    Lyle H Road Train Member

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    Unless the threads are stripped it should tighten right back up.
     
    Lyle H, Jul 11, 2020
    Lyle H, Jul 11, 2020
    #7
    Rideandrepair Thanks this.
  10. Jul 11, 2020 #8
    GliderKitTrucker

    GliderKitTrucker Light Load Member

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    Dec 28, 2019
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    10-4....thanks yeah I’ve never had self adjusting slack adjusters. Those are new to me
     
    GliderKitTrucker, Jul 11, 2020
    GliderKitTrucker, Jul 11, 2020
    #8
    Rideandrepair Thanks this.
  11. Jul 11, 2020 #9
    Rideandrepair

    Rideandrepair Road Train Member

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    When you adjust them, the adjuster will only go one way, the little button will pop in and out, while tightening the adjuster, till brakes are tight. Then you pry the little button out, unlocking the adjuster, to back them off. When finished, a tiny back and forth of the adjuster nut, will show the buttons seated in good. Pretty simple to figure out, once you’ve done it.
     
    Last edited: Jul 11, 2020
    Rideandrepair, Jul 11, 2020
    Rideandrepair, Jul 11, 2020
    #9
    stillwurkin, Dino soar, baha and 1 other person Thank this.
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