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Thread: Series Brake Drum Wear Limit

  1. 27th October 2010, 07:10 PM #1
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    Series Brake Drum Wear Limit

    I have an old Series I am doing up its a 109 11A
    I am at the point of fixing up the brakes and was wondering if anyone could tell me what the wear limit is on the rear drums.
    They are 11 inch brakes so about 280mm when new and they measure up at about 282 mm.
    Does anyone know if this is beyond spec

    Duane
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  2. 27th October 2010, 07:23 PM #2
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    The 11" brakes wer 279.4 mm standard

    wear limit was 0.30 " 0.75mm o/s.....
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  3. 27th October 2010, 09:01 PM #3
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    thats oversize...

    on the lip of the drum should be a maximum diameter. the book form memory lists a nominal diameter, a maximum acceptable post machining limit and a maximum overall limit.

    the rover workshop manual lists as per grouchos post.

    by my brake service manual lists the specs for an 11 inch drum with 30thou oversize as having an allowable machining finish at 11.020"
    Last edited by Blknight.aus; 27th October 2010 at 09:22 PM. Reason: finished look ups...
    Dave

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  4. 28th October 2010, 08:53 AM #4
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    Max dia 11.06


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  5. 28th October 2010, 08:33 PM #5
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    still oversize... just not as far over.
    Dave

    "In a Landrover the other vehicle is your crumple zone."

    For spelling call Rogets, for mechanicing call me.

    Fozzy, 2.25D SIII Ex DCA Ute
    Tdi autoManual d1 (gave it to the Mupion)
    Archaeoptersix 1990 6x6 dual cab(This things staying)


    If you've benefited from one or more of my posts please remember, your taxes paid for my skill sets, I'm just trying to make sure you get your monies worth.
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  6. 28th October 2010, 10:06 PM #6
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    Thanks guys I figured they were stuffed you have confirmed it
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