435 ISX idler gear adjustment

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by unapez, Aug 10, 2017.

  1. Aug 10, 2017 #1
    unapez

    unapez Bobtail Member

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    Jan 18, 2017
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    Can anyone tell me the proper procedure to remove slack from the idler gear on a 435 isx (No scissor gears). Only one it says to insert the .010 feelers, then move the gear to the left, but I'm curious how it moves? Does it have an eccentric mount that turns? Or like a t-slot the bolt slides in?

    Also do you have to wedge the cams so they don't move first, or just bar the engine over till the gears are in a free spot?
     
    unapez, Aug 10, 2017
    unapez, Aug 10, 2017
    #1
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  3. Aug 12, 2017 #2
    ClineER

    ClineER Light Load Member

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    Apr 27, 2016
    N.E. Oklahoma
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    Gear is held in place by bolts, when loosened gear can slide around.
    Wedge cam and pin crank. Insert feeler gauge between idler and other gears on both sides and hold the slack out. Then tighten the bolts to lock the gear in place.
     
    ClineER, Aug 12, 2017
    ClineER, Aug 12, 2017
    #2
    unapez Thanks this.
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