Clutch Brake Question

Discussion in 'Trucks [ Eighteen Wheelers ]' started by FredW, May 21, 2011.

  1. 07-379Pete

    07-379Pete Crusty Commando-Pete

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    Fireman; What happen?
    Grease Jockey; Well....I was torching out this clutch brake thingy and this wad of flaming grease came out and musta fell on the torch hoses.
    Fireman;Yes go on.
    Grease Jockey; I dont remember much after the floor caught fire from the hoses flying around, then you guys show up.
    Fireman; Ok sir......were gonna take you for a ride up to Bellevue for a little check up.

    :biggrin_25523:
     
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  3. FredW

    FredW Light Load Member

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    Aug 11, 2008
    Warrenton, VA
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    Thanks, the easy route sounds good to me! Fred
     
  4. Hardlyevr

    Hardlyevr Road Train Member

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    Mapleton Depot,PA
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    I would think the 1st thing you need to do is have a qualified shop do an adjustment. Even if you have a self adjusting model they can get out of the setting and be reset. The mechanic could then tell you that there is no more adjustment and you need to do a replacement.
     
  5. FredW

    FredW Light Load Member

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    Aug 11, 2008
    Warrenton, VA
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    Thanks. I have it in the shop now and the mechanic said he would try just that. First the adjustment and if that is unsuccessful it will mean a new two piece. Mine does work some of the time so there is hope that an adjustment will do the trick. I would sure like to save the money!

    All the best,

    Fred
     
  6. 05chopper

    05chopper Light Load Member

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    Dec 25, 2008
    USA
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    Adjustment on the brake is call clutch squeeze about an inch off the floor.
     
  7. JohnP3

    JohnP3 Road Train Member

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    Rock Creek B.C. Canada
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    I do not remember the name of it but we use to use the ones with the two spring pins that held the two pieces together, they are the best I ever saw.
    Using an air chisel to cut out a clutch brake that I would like to see.
    To clean the housing, put the pressure washer into the clutch cover plate, with the engine running and let the pressure plate throw the soap around cleaning the housing.
    Remove the large plug in the gear housing, to fully drain it, you will not hurt anything centrifugal force will keep the water away from the release bearing. I used a torch when ever I had to do it.
    Grease the release bearing and cross shafts after job is done.
    It is possible the clutch is abused to the point the disc pucks are distorted and there is excessive drag, or there are broken spring pieces stuck in the discs. Also clutch brakes are made to run with grease.and if the clutch brake has been run dry it can tear apart the transmission front cover plate, then you will need the transmission removed to replace it.
    Everything has to be inspected before the job is started. That means unless you have looked at it and know what is wrong, you are asking not telling.
     
  8. canuck in da truck

    canuck in da truck Road Train Member

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    i have tried an air chisel--its actually not bad except for a last little ring--the very inside of the brake--harder than hell couldnt cut it---soooo had to get the torch out anyways---i too prefer torching them out--you would really have to work to screw it up i think---but i bet some people can still accomplish it somehow
     
  9. FredW

    FredW Light Load Member

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    Aug 11, 2008
    Warrenton, VA
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    That is a great step by step on how to change the clutch brake. I am going to print and save that to keep in my truck file. I was able to just have mine adjusted but I am sure the day will come that it must be replaced. Your note is great reference material.

    Thanks,

    Fred
     
  10. JohnP3

    JohnP3 Road Train Member

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    Feb 21, 2010
    Rock Creek B.C. Canada
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    Just a side note when you are cutting it out you want to do it on the round part not near the notch, it is possible to cut into the shaft, if you have a starting point.
     
  11. FredW

    FredW Light Load Member

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    Aug 11, 2008
    Warrenton, VA
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    That sound like a point I won't want to forget. Thanks for the follow-up about avoiding the notch with the cutting torch.

    Fred
     
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