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• Feed System <br /> 1. Hydraulic motor shall be mounted at the top of the <br /> mast and drives a 60# double roller chain <br /> - connected to the drill head. <br /> 2. Feed rate is 0-30 ft. per minute. <br /> 3. Pull up force is 6000 lbs. <br /> 4 . Pull down force is 6000 lbs. <br /> 5. Net stroke shall be 74 inches. Allow for 6 foot <br /> auger lengths to be used. <br /> Mast <br /> 1. Single piece welded structural steel rectangular <br /> mast has -replaceable steel slide angles. <br /> J 2. Replaceable mylatron wear pads. <br /> 3. Mast must hydraulically raise and lower with a <br /> double acting cylinder. <br /> Hydraulic Foot <br /> • 1 . Hydraulic foot for stabilizing the drill rig. <br /> Mast Pivot <br /> 1. Mast pivot should have up to a 20 degree pivotal <br /> right or left of center in a vertical position. <br /> Rig Frame <br /> 1 . Welded structure constructed 3 inch channel. <br /> 2. A frame that will support the mast engine and <br /> hydraulic system. <br /> Hydraulic Slide Base <br /> 1. All welded steel slide frame. <br /> 2. A double acting hydraulic cylinder, 3 inch <br /> diameter X 16 inch stroke, 1-3/8 inch rod has a <br /> threaded clevis on the rod end. <br /> Auger Guide <br /> 1. A clam shell cycle auger guide to prevent auger <br /> from walking. <br />