{"id":1318,"date":"2016-03-11T09:06:03","date_gmt":"2016-03-10T19:06:03","guid":{"rendered":"http:\/\/commons.pratt.edu\/open-source\/?p=866"},"modified":"2016-03-11T09:06:03","modified_gmt":"2016-03-10T19:06:03","slug":"building-an-automotive-power-brake-bleeder","status":"publish","type":"post","link":"https:\/\/www.kornequipped.com\/blog\/?p=1318","title":{"rendered":"Building an Automotive Power Brake Bleeder"},"content":{"rendered":"\n<p>I love working on old cars but some of the tools are too expensive for what they are made of&#8230;.<\/p>\n\n\n\n<p>I saw a few articles on how to make&nbsp; pressure bleeders from garden sprayers. The commercial bleeders sell for $50 to $200+ but the sprayer is only $12. Everybody keeps the pump but I&#8217;d rather use shop air..<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/es.pratt.edu\/Commons\/Images\/3d_tips\/bleeder\/IMG_1182.JPG\" alt=\"\" \/><\/figure>\n\n\n\n<p>First thing is to remove the pump<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/es.pratt.edu\/Commons\/Images\/3d_tips\/bleeder\/IMG_1162.JPG\" alt=\"\" \/><\/figure>\n\n\n\n<p>Break it down<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/es.pratt.edu\/Commons\/Images\/3d_tips\/bleeder\/IMG_1164.JPG\" alt=\"\" \/><\/figure>\n\n\n\n<p>And clean up all the grease left behind.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/es.pratt.edu\/Commons\/Images\/3d_tips\/bleeder\/IMG_1165.JPG\" alt=\"\" \/><\/figure>\n\n\n\n<p>Then measure all the pieces&#8230;.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/es.pratt.edu\/Commons\/Images\/3d_tips\/bleeder\/IMG_1166.JPG\" alt=\"\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/es.pratt.edu\/Commons\/Images\/3d_tips\/bleeder\/IMG_1167.JPG\" alt=\"\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/es.pratt.edu\/Commons\/Images\/3d_tips\/bleeder\/IMG_1171.JPG\" alt=\"\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/es.pratt.edu\/Commons\/Images\/3d_tips\/bleeder\/IMG_1172.JPG\" alt=\"\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/es.pratt.edu\/Commons\/Images\/3d_tips\/bleeder\/IMG_1173.JPG\" alt=\"\" \/><\/figure>\n\n\n\n<p>then model and print the&nbsp; new top<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<pre class=\"wp-block-preformatted\">\/\/****************************************************************\n\/\/*&nbsp; Name&nbsp;&nbsp;&nbsp; : Brake Bleeder Top&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;    &nbsp;&nbsp;&nbsp; *\n\/\/*&nbsp; Author&nbsp; : Robert Joseph Korn&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; *\n\/\/*&nbsp; Notice&nbsp; : Copyright (c) 2016 Open Valley Consulting Corp&nbsp;&nbsp;&nbsp; *\n\/\/*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; : All Rights Reserved&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; *\n\/\/*&nbsp; Date&nbsp;&nbsp;&nbsp; : 2\/10\/16&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; *\n\/\/*&nbsp; Version : 1.0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; *\n\/\/*&nbsp; Notes&nbsp;&nbsp; :&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; *\n\/\/****************************************************************\n\n$fn=50;\n\ndifference(){\n\n     union(){\n\n          cylinder(d=44, h=4, center=true);\n          cube([50,13,4], center=true);\n          translate([0,0,14]) cylinder(d=42, h=30, $fn=6, center=true);\n\n     }\n\n     difference(){\n          cylinder(d=60, h=100, center=true);\n          cylinder(d=50, h=100, center=true);\n     }\n\n     cylinder(d=11.5, h=100, center=true);\n}<\/pre>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/es.pratt.edu\/Commons\/Images\/3d_tips\/bleeder\/IMG_1174.JPG\" alt=\"\" \/><\/figure>\n\n\n\n<p>Fits good&#8230;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/es.pratt.edu\/Commons\/Images\/3d_tips\/bleeder\/IMG_1175.JPG\" alt=\"\" \/><\/figure>\n\n\n\n<p>and the caps clears!<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/es.pratt.edu\/Commons\/Images\/3d_tips\/bleeder\/IMG_1176.JPG\" alt=\"\" \/><\/figure>\n\n\n\n<p>Now model a new piston sized plug.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<pre class=\"wp-block-preformatted\">\/\/****************************************************************\n\/\/*&nbsp; Name&nbsp;&nbsp;&nbsp; : Brake Bleeder Bottom&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; *\n\/\/*&nbsp; Author&nbsp; : Robert Joseph Korn&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; *\n\/\/*&nbsp; Notice&nbsp; : Copyright (c) 2016 Open Valley Consulting Corp&nbsp;&nbsp;&nbsp; *\n\/\/*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; : All Rights Reserved&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; *\n\/\/*&nbsp; Date&nbsp;&nbsp;&nbsp; : 2\/10\/16&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; *\n\/\/*&nbsp; Version : 1.0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; *\n\/\/*&nbsp; Notes&nbsp;&nbsp; :&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; *\n\/\/****************************************************************\n\n$fn=50;\n\ndifference(){\n\n     union(){\n\n          cylinder(d=44, h=6, center=true);\n          translate([0,0,14]) cylinder(d=33, h=25, center=true);\n\n     }\n\n     union(){\n          translate([0,0,20])difference(){\n          cylinder(d=33, h=5, center=true);\n          cylinder(d=26, h=5, center=true);\n     }\n\n     translate([0,0,20])rotate_extrude(convexity = 10, $fn = 100)\n     translate([13, 0, 0])circle(r = 2.5, $fn = 100);\n     translate([0,0,12])cylinder(d1=12, d2=10, h=30, center=true);\n\n     }\n}<\/pre>\n<\/blockquote>\n\n\n\n<p>I used the old O-ring and a piece of 1\/8 steel tubing to pressure test it.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/es.pratt.edu\/Commons\/Images\/3d_tips\/bleeder\/IMG_1177.JPG\" alt=\"\" \/><\/figure>\n\n\n\n<p>I also cut the tube short. No need to blow bubbles in the fluid and if the regulator leaks you wont get fluid in it&#8230;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/es.pratt.edu\/Commons\/Images\/3d_tips\/bleeder\/IMG_1178.JPG\" alt=\"\" \/><\/figure>\n\n\n\n<p>I used a fixed regulator to keep the pressure at 5psi. Any more and the safety valve does its job.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/es.pratt.edu\/Commons\/Images\/3d_tips\/bleeder\/IMG_1179.JPG\" alt=\"\" \/><\/figure>\n\n\n\n<p>Next part it getting some master cylinder caps from the junk yard to make the unit complete&#8230;&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I love working on old cars but some of the tools are too expensive for what they are made of&#8230;. I saw a few articles on how to make&nbsp; pressure bleeders from garden sprayers. The commercial bleeders sell for $50 to $200+ but the sprayer is only $12. Everybody keeps the pump but I&#8217;d rather [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,7],"tags":[],"class_list":["post-1318","post","type-post","status-publish","format-standard","hentry","category-3d-printing","category-automotive"],"_links":{"self":[{"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1318","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1318"}],"version-history":[{"count":0,"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1318\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1318"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1318"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1318"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}