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I Need to Lock In My ISX Fan Hub

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Blind Driver, Sep 2, 2013.

  1. Sep 2, 2013 #1
    Blind Driver

    Blind Driver Road Train Member

    3,081
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    Aug 7, 2006
    New Albany, IN
    0
    Fan clutch is slipping. 200* at idle and it's a pain to pull hills.

    How do I lock in the fan hub? Some of the older IH dump trucks that I worked on could be locked in by screwing in a bolt making it one assembly that runs the fan all the time.


    Can the same be done with the ISX?
     
    Blind Driver, Sep 2, 2013
    Blind Driver, Sep 2, 2013
    #1
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  3. Sep 2, 2013 #2
    Hiwayman

    Hiwayman Bobtail Member

    15
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    Nov 17, 2008
    London ontario
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    Either use the fan switch (override) on dash or unplug the fan clutch you might get a fault that way
     
    Hiwayman, Sep 2, 2013
    Hiwayman, Sep 2, 2013
    #2
  4. Sep 2, 2013 #3
    Blind Driver

    Blind Driver Road Train Member

    3,081
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    Aug 7, 2006
    New Albany, IN
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    I don't have a fan switch. If I did, I don't see how it's going to stop the clutch from slipping.
     
    Blind Driver, Sep 2, 2013
    Blind Driver, Sep 2, 2013
    #3
  5. Sep 2, 2013 #4
    mslashbar

    mslashbar Medium Load Member

    599
    802
    Jul 22, 2009
    elizabeth,co
    0
    Alot of the horton fan hubs have a place where you can put 2 bolts in to lock it on. I beleive they are 5/16 coarse thread. They should be grade 8, and make sure they are pretty tight or you'll just break them off. If your's has the spot for the bolts, you'll see 2 holes on the front of the hub, then spin the fan till it lines up with the threaded holes behind the clutch.
     
    mslashbar, Sep 2, 2013
    mslashbar, Sep 2, 2013
    #4
  7. Sep 2, 2013 #5
    Blind Driver

    Blind Driver Road Train Member

    3,081
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    Aug 7, 2006
    New Albany, IN
    0
    I could see them if I remove the radiator :biggrin_2559:

    I'll try to get touchy feely with it soon.
     
    Blind Driver, Sep 2, 2013
    Blind Driver, Sep 2, 2013
    #5
  8. Sep 2, 2013 #6
    haulhand

    haulhand Road Train Member

    2,091
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    Feb 6, 2008
    Rock Springs, Wyoming/Dickinson, ND
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    You should be able to see the threaded portion on the backside of the clutch if it can be locked in.


    Sent from my iPhone using Tapatalk 2
     
    haulhand, Sep 2, 2013
    haulhand, Sep 2, 2013
    #6
  9. Sep 2, 2013 #7
    Blind Driver

    Blind Driver Road Train Member

    3,081
    1,406
    Aug 7, 2006
    New Albany, IN
    0
    I see the holes on the backside, but there's nothing on the front of the clamshell.

    20130902_212545_zps34d41ba6.jpg
     
    Blind Driver, Sep 2, 2013
    Blind Driver, Sep 2, 2013
    #7
  10. Sep 3, 2013 #8
    truckmechanic

    truckmechanic Medium Load Member

    534
    140
    Jan 14, 2012
    Hi Desert Ca
    0
    Sorry your dead in the water the spring loaded hortons use air to release and are spring loaded so they are normally locked in it get it to the shop asap before it completly comes apart and freeweels i would use a kit masters should be a 256 or 256-1 if it has the single bearing the kit masters holds up a lot better then the horton just my .02
     
    truckmechanic, Sep 3, 2013
    truckmechanic, Sep 3, 2013
    #8
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