 | Home > Series Land Rovers > 1960 series 2 109 - rear brakes |
 
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| geobloke Member Since: 06 Nov 2012 Location: Nottinghamshire Posts: 4410  
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Hi suboffroader.
I am afraid I do not know the answer to your question, but I know a man who does 
Mike at Britannica Restorations has a S1 and is at the moment rebuilding its engine. He is a top bloke and always willing to help out with just this sort of question. He might even pull the brake drums off for you in a video... 
britrest@britrest.com |
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19th May 2023 12:22pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17450 
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On a 109" with the early type of 11" rear brakes, which is what you are describing, the wheel cylinder has to float on the anchor plate (backplate).
You say that yours has no movement. Is this because you have fully tightened the nuts (in which case slacken them) or is it because the cylinder is a tight fit on the anchor plate? If the latter you may have the wrong cylinders. Part two of the WSM (Part no 606408) for the SII & IIA is very clear on this. Operation H1-10B, to assemble, step 5, "Refit the wheel cylinder to the anchor plate. Leave the wheel cylinder fixing nuts one turn slack so that the cylinder is free to float on the anchor plate". The cruddy Haynes manual of course says none of this. I suspect that your wheel cylinders are bolted tight eccentrically. |
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19th May 2023 3:47pm |
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| suboffroader Member Since: 19 Mar 2014 Location: leicestershire Posts: 18 
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I'll take a look this weekend and post my results
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20th May 2023 7:15am |
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| suboffroader Member Since: 19 Mar 2014 Location: leicestershire Posts: 18
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Thank blackwolf ,
I had another look yesterday, slackened the wheel cylinders off however no sideways movement is possible. It looks like the back plate holes have been elongated to allow fitment of wheel cylinders I am now confident that both the cylinders and shoes are designed for another back plate Dose anyone know the part numbers for the cylinders required and the shoes? |
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21st May 2023 7:00am |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17450
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I was about to start listing the part numbers but realised that it would be quicker, easier, and more useful to post an image of the pages from the parts book, see below.
Bearing in mind that for each side you are likely to need parts 5, 19, 24, 27, 28 together with the requisite fasteners etc, and I suspect that some of these are in the "unobtanium" category (and other in the "ridiculous price" category) you might want to consider replacing the rear brakes with the later and more conventional type, which have a fixed cylinder and twin snail-cams, just like the front brakes. These should be the parts list in the illustration for the Series IIA, although the numbers may have been superseded by now. The fact that you probably already have the later cylinders and shoes may influence your decision. Hope this helps.  Click image to enlarge |
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21st May 2023 9:00am |
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| Devon-Rover Member Since: 22 Jan 2015 Location: South Devon Posts: 917 
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It might not work but I would be looking at adjustments before getting radical with the parts cannon.
Yes the Backplates as kindly shown above are handed. The Cylinders are at the just before One o'clock so the pipe from the axle runs along and into the "lower" port of the cylinder and the bleed nipple is higher. if you get my description. Aftermarket shoes are a minefield it seems they can be right or require a good chamfer of the leading edge to get them to be adjusted up nicely so you get a good contact on the drum. Without physically looking at it, It does though sound like you could take a little off the leading edges and this would allow you to bring the adjuster up further before the shoe touches. Also can be found on Fb, Ytube, Insta & Twitter @4WDSouthwest |
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21st May 2023 9:52am |
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| suboffroader Member Since: 19 Mar 2014 Location: leicestershire Posts: 18
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hi
as mentioned parts are in the £££ or unobtainable category, (wheel cylinders £90 - £110 each) thus i have decided to move to later the later type as the wheel cylinder and shoes are more affordable and easier to obtain. now i just need to find a pair of back plates |
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22nd May 2023 8:17am |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17450
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I think this is a sensible decision, the later design is generally more satisfactory.
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22nd May 2023 9:39am |
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