air clutch booster

Discussion in 'International Forum' started by trackfodder, Dec 9, 2012.

  1. trackfodder

    trackfodder Bobtail Member

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    Dec 13, 2011
    bartlesville ok
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    My daughter got a brand new International ProStar Plus with a standard clutch. It requires so much pressure it inflamed a knee she had hyperextended on ice in a Wallyworld reefer.
    Why don't the manufacturers use an air booster like a vacuum brake booster on a car? It would much reduce driver fatigue and make operation much more pleasant.
     
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  3. aktundratugger

    aktundratugger Light Load Member

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    Feb 10, 2012
    up on the hill, Ak
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    eaton e-z pedal clutch, its sweet, have been using mine in the dirt for 9 years now. love it
     
  4. losttrucker

    losttrucker Road Train Member

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    Mar 9, 2008
    greenville,nc
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    If her knee did that just from a clutch she has other problems and needs to see a doctor
     
  5. Heavyd

    Heavyd Road Train Member

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    Feb 4, 2009
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    Hydraulic clutches are standard on current production Prostars. Therefore she doesn't have a "Brand New" one. Further more, the Prostar also has an air-assist option for their hydraulic clutch linkage. I haven't tried an air assist yet, but even the hydraulic linkage is effortless. I am sorry for your daughter, trust me, my knees are getting bad from working on these all day and get pretty sore too. Hopefully this is a fleet truck that maybe she can trade up to one with a softer pedal.
     
  6. Pablo-UA

    Pablo-UA Road Train Member

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    Oct 11, 2010
    Borispol, Ukraine
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    wow, it is so easy to install european clutch servo on truck with hydrolic clutch, but pain on 9200 ore on shaker) I did servo retrofiting, I can help with advice how to.
     
  7. Dutch

    Dutch Light Load Member

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    Nov 21, 2009
    Commiefornia
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    Heavy is right, if it truly a 2011- current year prostar + it should have a hydraulic clutch. It is an option to have the air assist as heavy said also. Generally they are really easy to push. I have seen a couple cross shaft bearings for the fork go bad causing the pedal to be stiff, or to the point where you couldn't even push down on the pedal.
     
  8. MNoutkast

    MNoutkast Medium Load Member

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    Feb 24, 2012
    Elk River, MN
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    I have a '12 ProStar+ Eagle, production date is 11/11....it has one of the heaviest clutches I have ever felt before. Luckily I rarely have to push the #### thing down more than about a half a dozen times a day.
     
  9. Heavyd

    Heavyd Road Train Member

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    Feb 4, 2009
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    "Current Production". Not 14 months ago. Things change fast. I believe trucks built in 2012 have the hydraulic linkages. OP said truck was "Brand new" so it should have been built in 2012. If your clutch is too hard there may be something wrong with it. Have you had it checked out?
     
  10. Dutch

    Dutch Light Load Member

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    Nov 21, 2009
    Commiefornia
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    early 2010 build year did have hydraulic clutches. Check to see if you have fluid in the reservor for the hydraulic clutch. The factory wasnt tightening down the caps and the fluid would puke out getting air in there and screwing up the master cyl.
     
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