Mainshaft Nut and Syncro Springs

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  • Apis Mellifera
    3rd Gear
    • Apr 2008
    • 386

    Mainshaft Nut and Syncro Springs

    How tight on the nut?

    I discovered a missing 3/4 syncro spring. Can it be replaced in situ? I didn't notice anything unusual driving the truck before. Would/should there have been symptoms? What function to the springs serve?

    Many Thanks!
    © 1974 Apis Mellifera. Few rights preserved.
  • I Leak Oil
    Overdrive
    • Nov 2006
    • 1796

    #2
    100 ft. lbs. on the main shaft nut. Although tricky I believe the synchro detent springs can be replaced without removing it.
    Jason T.
    Jason
    "Clubs are for Chumps" Club president

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    • Les Parker
      RN Sales Team - Super Moderator
      • May 2006
      • 2020

      #3
      Hello there,

      Here's a link to our BBS for the same situation.
      You need nimble fingers but is defenitly do-able.

      Regards

      Les Parker
      Tech. Support and Parts Specialist
      Rovers North Inc.

      Comment

      • Daurie
        2nd Gear
        • Nov 2007
        • 251

        #4
        Heres what you will be looking at once you get the top cover and shift forks out of the way. It's tricky but doable. Some long angled needle nose pliers and a pick set come in handy. There is a lip that the leading edge of the spring will catch on as you slide it in so lifting up with a pick will assist in getting past this obstacle. Sears has a pick that has a straight point on one end and a 90 degree bend on the other. The bent end is what you will want to use. http://www.roversnorth.com/forums/sh...ghlight=detent here is alink to a thread discussing some issues I had as well. The pictures are gone but this picture shows what you need.
        '73 SIII 88"
        Turner 8:1 Engine
        NRP Exhaust
        Roverdrive
        RM Parabolics
        OME Shocks
        Warn 8274
        Pangolin4X4 bumper

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