Figure 8-3.Safety pin location.

Equipment Operator Basic - Beginning construction equipment operators manual
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stack unit loads of supplies and equipment. Standard warehouse forklifts have lifting capacities from 2,000 to 15,000 pounds and lifting heights from 100 to 210 inches. Warehouse forklifts are equipped with a telescopic mast that permits loads to be lifted beyond the height of the collapsed mast. The height the forks can raise before the inner slides move upward from the mast and increase the overall height is called free lift. 4K ROUGH-TERRAIN (RT) FORKLIFT The 4K rough-terrain (RT) forklift (fig. 8-2) is a diesel engine-driven, rubber-tired, self-contained, rider type of mechanized materials-handling vehicle. They are designed to lift loads of 4,000-pound capacity with a 24-inch load center to a maximum height of 100 inches. The lifting forks are mounted on the front of the vehicle and the engine faces the rear. Controls for operating the lifting forks (lifting, tilting, rotating, and side shifting) are located to the right when the operator is sitting in the operator’s seat. The 4K (RT) forklift is designed for the loading and unloading of flatcars, flatbed trailers, cargo aircraft, and landing craft. Additionally, the 4K (RT) is used for stocking, unstacking, and transporting heavy-crated boxes, containers, and palletized loads of heavy equipment and supplies over unprepared and unstable surfaces. This forklift is the primary forklift used in rough terrain, such as a beach, in deep sand, or where the terrain is covered with ice, snow, or mud, or where hard standing is not available. The 4K (RT) forklift can be used both indoors and outdoors and is capable of fording streams or pools of water up to 30 inches deep. This forklift can be transported by tractor-trailer or by military aircraft. The 4K forklift may be driven to project sites under its own power without any special preparation; however, when performing the prestart operational check, you should ensure the safety pin (fig. 8-3) is disengaged before operating. The safety pin prevents the forklift Figure 8-3.—Safety pin location. Figure 8-2.—4K rough-terrain (RT) forklift. 8-2

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