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Discussion Topic:
35-36 brake rod adjustment
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3w2 |
04-28-2022 @ 12:36 PM
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Senior
Posts: 877
Joined: Oct 2009
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You're right, the two illustrations provide conflicting advice. I believe that the second one, which also originated with Ford, to be incorrect and that the final adjustment should leave the rod under slight tension when at rest.
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Jcoles |
04-28-2022 @ 9:12 AM
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Member
Posts: 12
Joined: Jan 2012
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For stock mechanical brakes, when making the adjustment of the brake-rod clevis to the brake-shoe operating lever, this statement appears in the Ford 1932- 1936 Engine and Chassis Repair Manual: "... push the brake shoe operating lever toward the rod enough to remove the slack from the ever and adjust the length of the pull rod so that it will be 1/32" short of the pin hole in the brake shoe lever, as shown in Figs. 78, 79, and 80. Install the pin and repeat the operation on the other three rods. This 1/32" adjustment places a slight tension on the rod and provides a maximum pedal adjustment." However, most illustrations I've seen of this procedure seem to be contradictory. In the above referenced publication, figure 78 (first picture below) agrees with the statement (brake rod clevis hole 1/32" short of the lever, resulting in slight tension on the rod assembly when the pin is installed). But figures 79 and 80 in that publication seem to show the opposite, where the hole in the clevis is 1/32" forward of the hole in the lever, and would create a slack rod assembly when the pin is installed. Another illustration of the clevis being installed forward of the lever is on page 88 of the 1935-36 Ford Book (second picture). Since I've not seen any discussion of this (apparent) difference, I'm wondering if I might have overlooked something. Right or wrong, in the past I've adjusted the rod by turning the clevis so that the pin aligns with the clevis and lever holes, then turn clevis a tad more so that there is a slight tension in the assembly. Insights as to what others have seen are appreciated.
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