Forums General Counties Cars Discussion A40 Somerset, flywheel mounting bolts

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  • #2673
    Steve Goodrich
    Participant

    Hi from Australia!
    I am after some quick advice please. Dad and I are rebuilding the engine for our A40 Somerset, a mechanic has done the hard work. Now the engine is returned I am unable to attach the flywheel to the crank. I am assuming the boss on the crank should have studs inserted in it as neither the boss or flywheel have a thread. Could someone please help me confirm if the bolts that hold the flywheel to the crankshaft, should have been inserted to the boss prior to the engine being assembled?
    Thanks in advance,
    Steve

    #2679
    number5
    Participant

    I have seen one of these cranks with just blank holes, but do not know about the assembly. Perhaps the fastenings are supposed to be inserted before ass’y, and if they are hex. Hd fastenings, perhaps nuts could be used behind the boss. If a lock tab plate is used between pairs of bolts, that still can be done, with a heavy duty spring washer behind the nut, as well as an appropriate nut threadlock solution. However, if the fastenings are supposed to be inserted before ass’y, they may have round heads with a flat on one side to prevent turning when being tightened. This type of fastening is used on a number of Austin tail shaft connections.

    Hopefully, someone in the Counties Organisation will answer your question with the correct information.

    Hope this assists in some way.

    Cheers-Peter

    #2767
    PeteJS
    Keymaster

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