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Filled in Ilk,:)y W A,Jones SHALL BE <br />AS <br />TYPE DESCRIPTION SPECIFIED <br />(Circle One) <br />frame attaches to the moldboard to provide a 1" bearing surface for <br />pins. <br />The non -spring horizontal support angles are to be 3" x 3" x 1/4" <br />A36 steel angles. <br />The two spring support angles are to be 3" x 3" x 1/2" A36 steel <br />angles. <br />Top moldboard angle is to be 2" x 3" x 3/8" A36 steel. <br />Bottom moldboard angle is to be 4" x 4" x 3/4" A36 steel. <br />Bottom moldboard angle is to have 1 l/16" holes punched to match <br />hole pattern of cutting edge. <br />There shall be 1/2" thick gussets welded on each end of the inside of <br />the angle and midway between all punched holes. <br />Spring support/attachment plates are 3/4" A36 steel with 3 holes for <br />attaching compression spring arms at moldboard pitch settings of <br />either 20, 10 or 5 degrees. <br />Cutting edge shall be 5/8" x 8" blade made from 1080 steel with a <br />Rockwell `B" hardness of 93-100. The blade shall have standard <br />AASHO hole spacing and is to be top punched 1-1/2" from the top <br />edge to the center of the bolt. <br />Cutting edge is to be attached with 5/8" x 2-1/2" grade 8 plow bolts <br />Plow semi -circle is to be fabricated from 3-1/2" x 3-1/2" x 1/2" A36 <br />hot rolled angle. <br />Two 1" x 3" x 5" positive stops are to be welded to semi -circle and <br />set to allow moldboard to swing 35 degrees in either direction. <br />The push frame is to be 4" x 4" x 3/8" A36 wall square tubing 84" <br />in length. This tubing is to have eight 4" x 4-1/2" x 1/2" A36 <br />attaching ears, which are to form a four -point pivot to affix the <br />moldboard onto the push frame attached with four 1-1/4" stress <br />proof plated pins. <br />There are to be two jack support channels 8" x 18" A36 steel which <br />have six 3/4" holes for mounting various optional shoe assemblies. <br />►� . <br />