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18 <br /> <br />4.4.5 Installing Cable Anchor Bracket <br /> <br />The eight ½" cable anchor bracket shoulder bolts are attached to the W-beam guardrail end <br />section with two ½" structural washers, one on each side of the guardrail, and a ½" structural nut. <br />Be sure the shoulder bolts are placed with the shoulders of the bolts installed on the backside of <br />the guardrail, away from traffic, as shown in Figure 7. <br /> <br />For ease of installation, attach the cable anchor bracket shoulder bolts to the rail "finger tight" <br />only. Then align the openings on the cable anchor bracket with the shoulder bolts and tap the <br />cable anchor bracket onto the shoulder portion of the bolts using a hammer. Tighten the bolts <br />with a wrench when the bracket is in place. The welded plate on the cable anchor bracket should <br />be toward Post #2, as shown in Figure 7. Be sure the bracket is fully seated on the shoulder <br />portion of the bolts. <br /> <br /> <br />4.4.6 Installing the MSKT Impact Head <br /> <br />The eight cable anchor bracket shoulder bolts & the cable anchor bracket should be attached to <br />the W-beam guardrail end section prior to attaching the MSKT impact head to the first post. The <br />MSKT impact head will be installed with the rail exit slot on the back side away from traffic. <br /> <br />Place the impact head with the feeder guide chute over the end of the W-beam guardrail. The <br />impact head should be positioned so that the protruding tube (called the post breaker) is on the <br />backside of the guardrail, away from traffic as shown in Figures 4 & 8. Slide the impact head <br />forward until the post angle attachments on the impact head are aligned with the holes in post #1 <br />(6" x 6" x ⅛" tube) as shown in Figure 8. There are two sets of holes in post #1. This is a <br />Universal Post. Use the top set of holes for the 31” MSKT terminal. The bottom set of holes are <br />used for 28" rail heights. Attach the impact head to the first post with two 5/16" x 1" hex bolts, <br />nut and (2) washers, one each for the top and bottom post angle attachments. <br /> <br />NOTE: It is recommended that the face of the impact head be delineated with an object marker <br />that meets State specifications for better night visibility. However, the impact face object marker <br />may not be included as part of the shipped materials for the terminal unless specifically <br />requested in the contract plans or by the customer. <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />