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  1. #1
    RC Enthusiast
    Join Date
    Feb 2010
    Posts
    21

    Best way to put "torque control" clutch in 3906?

    I got a used 3906 not too long ago and I melted the spur gear pretty quickly. What is the easiest way to install the traxxastorque control clutch and what parts do I need?

    The input shaft to the transmission is hexagonal. Do I need to replace that?
    Last edited by wolfcopter; 03-31-2010 at 11:28 PM.

  2. #2
    RC Racer
    Join Date
    Oct 2009
    Location
    american fork , utah
    Posts
    221
    the slipper clutch is easy to install.
    i am not sure what your question is ?
    i have found that if you use some ca,(tire)
    glue on the plate(#4622) to the other plate(#4625)
    ,it helps hold it on the pin that is in (#4625)
    you will just need a new spur gear and some new slipper
    pegs, you dont replace the shaft (unless its broke) or the
    steel plates .you want it a little bit loose so that it will
    take the punishment instead of your trans and drivelines
    you need a small amount of clearance between the spur
    and the pinion gears ,you can do this with a piece of paper
    between them as you adjust the motor pinion into the spur!!

  3. #3
    RC Enthusiast
    Join Date
    Feb 2010
    Posts
    21
    Sorry, I meant to say the "torque control" clutch with the 3 pads on it.

  4. #4
    RC Qualifier
    Join Date
    Nov 2006
    Posts
    502
    I understand you you means use new e-maxx 3905 slipper in the old e-maxx 3906
    you can use the revo input shaft but you have to modfiy it to the tranny box.
    i have done tips for this upgrade with gorilla single speed conversion







    You can search e-maxx forum with revo input words
    MMM 2x3s medusa 70-2300 | MMM 2sx3s 1515 1y

  5. #5
    RC Champion
    Join Date
    Nov 2006
    Location
    Hampton GA
    Posts
    1,690
    auto 5, great guy to deal with

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