{"id":6198,"date":"2023-04-26T10:41:26","date_gmt":"2023-04-26T09:41:26","guid":{"rendered":"http:\/\/www.railway-models-and-art.co.uk\/blog\/?p=6198"},"modified":"2023-04-26T10:41:26","modified_gmt":"2023-04-26T09:41:26","slug":"mok-8f-8425-replacement-brake-clevis","status":"publish","type":"post","link":"https:\/\/www.railway-models-and-art.co.uk\/blog\/?p=6198","title":{"rendered":"MOK 8F 8425 &#8211; Replacement Brake Clevis"},"content":{"rendered":"\n<p>In between times I have managed a little more on the 8F. The next job was reassembling the brakes. One thing that has bugged me for a few years is that one of the clevis castings&nbsp;hadn&#8217;t fully formed when casting.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/04\/IMG_1002.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"853\" src=\"http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/04\/IMG_1002-1024x853.jpg\" alt=\"\" class=\"wp-image-6199\" srcset=\"https:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/04\/IMG_1002-1024x853.jpg 1024w, https:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/04\/IMG_1002-300x250.jpg 300w, https:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/04\/IMG_1002-768x640.jpg 768w, https:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/04\/IMG_1002-360x300.jpg 360w, https:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/04\/IMG_1002.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">Misformed Clevis casting<\/figcaption><\/figure>\n\n\n\n<p>It would&nbsp;have been easy enough to just solder it on and have done with it but I remembered fellow modeller Tony Geary making some clevises to add detail to the brakes on one of his builds so I decided to have a go at one myself.<\/p>\n\n\n\n<p>I started&nbsp;with some square bar and turned a round spigot on the end. Then I reduced the next few millimetres down to the size of the arms of the clevis using a small Dremel burr as a milling&nbsp;cutter<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/04\/IMG_0001_1.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"934\" height=\"1024\" src=\"http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/04\/IMG_0001_1-934x1024.jpg\" alt=\"\" class=\"wp-image-6200\" srcset=\"https:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/04\/IMG_0001_1-934x1024.jpg 934w, https:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/04\/IMG_0001_1-274x300.jpg 274w, https:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/04\/IMG_0001_1-768x842.jpg 768w, https:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/04\/IMG_0001_1.jpg 1167w\" sizes=\"auto, (max-width: 934px) 100vw, 934px\" \/><\/a><figcaption class=\"wp-element-caption\">Dremel Type Burr<\/figcaption><\/figure>\n\n\n\n<p>a bit of&nbsp;hand filing gave me the basic shape<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/04\/IMG_1001.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"853\" src=\"http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/04\/IMG_1001-1024x853.jpg\" alt=\"\" class=\"wp-image-6201\" srcset=\"https:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/04\/IMG_1001-1024x853.jpg 1024w, https:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/04\/IMG_1001-300x250.jpg 300w, https:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/04\/IMG_1001-768x640.jpg 768w, https:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/04\/IMG_1001-360x300.jpg 360w, https:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/04\/IMG_1001.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">Basic Replacements<\/figcaption><\/figure>\n\n\n\n<p>Then I drilled a couple of holes in either end of a stub of brass bar and temporarily soldered the two parts into it.<br>This allowed me to cut the slots. I do have a full sized slitting saw for the mill but a couple of years ago while in one of the cheapo trading stores I bought a set of slitting saws for a Dremel&nbsp;type tool (notice a theme here?). I think they were a fiver for the full set.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/platform1mrc.com\/p1mrc\/index.php?attachments\/img_0971-jpg.39320\/\" alt=\"IMG_0971.JPG\"\/><\/figure>\n\n\n\n<p>I fitted it into the mill with a 0.8mm blade (the pack has several different thicknesses from 0.4 &#8211; 0.8mm) and I was really surprised at how little run out it had.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/platform1mrc.com\/p1mrc\/index.php?attachments\/img_0001-jpg.39316\/\" alt=\"IMG_0001.JPG\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/platform1mrc.com\/p1mrc\/index.php?attachments\/img_0002-jpg.39318\/\" alt=\"IMG_0002.JPG\"\/><\/figure>\n\n\n\n<p>This is the end slit and then finally the finished clevis<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/platform1mrc.com\/p1mrc\/index.php?attachments\/img_0002_1-jpg.39319\/\" alt=\"IMG_0002_1.JPG\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>In between times I have managed a little more on the 8F. The next job was reassembling the brakes. One thing that has bugged me for a few years is that one of the clevis castings&nbsp;hadn&#8217;t fully formed when casting. &hellip; <a href=\"https:\/\/www.railway-models-and-art.co.uk\/blog\/?p=6198\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[6],"tags":[],"class_list":["post-6198","post","type-post","status-publish","format-standard","hentry","category-mok-8f"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/6198","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6198"}],"version-history":[{"count":2,"href":"https:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/6198\/revisions"}],"predecessor-version":[{"id":6204,"href":"https:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/6198\/revisions\/6204"}],"wp:attachment":[{"href":"https:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6198"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6198"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6198"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}