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  • Gearbox rebuild

    Any tips to get the rear mainshaft nut off?
    www.sapphirerscosworth.com

  • #2
    It gave up.
    Attached Files
    www.sapphirerscosworth.com

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    • #3
      I made a special tool for it.
      Another way to do it is to first buy a new one, and then grind down the nut so it is almost through.

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      • #4
        Came "easily" now when strapped the box to the trailer. I made all my tools for this. Now i only need to buy/find puller tool for the sleeve on mainshaft...
        www.sapphirerscosworth.com

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        • #5
          Heat it and try to cool the shaft.

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          • #6
            Originally posted by Big_Al View Post
            Heat it and try to cool the shaft.
            Tried to heat it like manual says, got it abit out, but not enough to get the puller tool i had inbetween...

            ​​​​​
            www.sapphirerscosworth.com

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            • #7
              Getting there. Waiting on the sleeve and bearing for 3 gear. Recomended to change it, since risk of damage when dismantle, so i ordered a new, sonce dont whant to risk the box and car basickly, if crack and lock up the box...
              Attached Files
              www.sapphirerscosworth.com

              Comment


              • #8
                I gave up too. Ended up taking them to RED' transmition guy Hugo. He could fix a box while I was still thinking about it.
                That input shaft nut was the issue.
                sigpic


                Sunnyside B&B and camper restorations
                www.sunnysidebb.co.uk

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                • #9
                  Input sleeve? That was "easy" since i have the correct homemade socket. The "only" struggle i had was basickly the mainshaft nut on rear of gearkit, but came "easily" when managed to strap the box to the trailer and long pipe to get some force on it.
                  www.sapphirerscosworth.com

                  Comment


                  • #10
                    Basickly the "special" tools needed to get it apart.

                    loosen the front sleeve is a 46mm 12 edge socket
                    Rear mainshaft nut is 38mm 12edge (i think i have 36mm 6 edge on my r&d 6 speed box)
                    I used a clutchdisc that i welded a nut on, to hold the inputshaft when loosen the rear main nut.
                    Attached Files
                    www.sapphirerscosworth.com

                    Comment


                    • #11
                      Originally posted by twin turbo View Post
                      Basickly the "special" tools needed to get it apart.

                      loosen the front sleeve is a 46mm 12 edge socket
                      Rear mainshaft nut is 38mm 12edge (i think i have 36mm 6 edge on my r&d 6 speed box)
                      I used a clutchdisc that i welded a nut on, to hold the inputshaft when loosen the rear main nut.
                      Clever ideas
                      If I have to be honest, when I broke a box on a stage, it was broke. Lots of input gear shapnell firing round the rest of the box usually wrote it off.
                      I never broke PD SC gear kit though.
                      sigpic


                      Sunnyside B&B and camper restorations
                      www.sunnysidebb.co.uk

                      Comment


                      • #12
                        I rebuild it with fixit kit, so most get changed.

                        ​​​​​​
                        www.sapphirerscosworth.com

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