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Thread: Series 3 brake drum screws?

  1. #1
    Join Date
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    Question Series 3 brake drum screws?

    I’ve bought new aftermarket 10” brake drums (at like $70 each surprisingly ok. May wear out fast but better that the grooved ones I’ve had…).

    However.

    My old ones (ex British Army/MOD) had three retainer screws. Seems all the new ones have only one screw. No matter as the wheel actually holds the drum on but:
    A) If the wheel does work loose, with three screws you just roll along on the drum. Unless you crap yourself and jam on the brakes. Then the drum gets a flat spot. Don’t ask. Or about finding the tyre, which had luckily rolled into a paddock FULL OF TYRES FOR HORSES TO JUMP OVER!! I guess one screw and the drum is more likely to come off too.
    B ) When putting the drum on, one screw lends itself to pulling the drum out of alignment, so it’s hard to check the pads without doing up the wheel.

    Did Land Rover make “one screw” drums? Or is this a typical aftermarket cost-saver?

    Cheers,

    Dave
    1974 Military Lightweight Landy --- Some dementia at 48 years old
    2000 Disco series 2 now sadly moved on!
    No5 Trailer joined the fold... Awaiting graduation to road licensed!
    Ford Ranger 2013 XLT.

  2. #2
    Join Date
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    I reverse the wheel nuts and run them up to the drum to hold it square while setting the shoes.

    I honestly don't recall if any of the new drums I purchased had 3 holes for the locating the drum, however none of the new ones were round and had to be machined.

    Cheers,

  3. #3
    JDNSW's Avatar
    JDNSW is offline RoverLord Silver Subscriber
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    As above. I would not worry too much about only one screw, but I would worry about the drums being out of round, or more accurately, the locating hole in the middle being not exactly concentric with the inside of the drum. This needs to be pretty accurate, otherwise you cannot adjust the brakes properly for minimum pedal movement, and the drums will wear unevenly.
    John

    JDNSW
    1986 110 County 3.9 diesel
    1970 2a 109 2.25 petrol

  4. #4
    Join Date
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    The main purpose for the 3 offset holes rather than one is to keep the drum in the same relationship with the hub to avoid eccentricity mismatch on reassembly after service etc, as minuscule as that eccentricity may be.

    Anyone with a milling machine and rotary table can add the two extra tapered holes. Or a local general engineer.

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