TM 9-2350-256-10(c)Tighten lock screw (3) to keep it in place.(d)Lower vehicle slowly and ensure block lines up with bumper spring mounting (4).(3)Loadlimitsandcarryingspeeds:On level, hard surface (gravel):Load size of 6 to 15 tons (5.4 to 13.6 metric tons)Vehicle speed of 3 mph (4.8 km/h)On level, hard surface (smooth):Load size of 15 to 20 tons (13.6 to 18.1 metric tons)Vehicle speed of 2 mph (3.2 km/h)h.Main Winch Operation.(1)Precautions.CAUTION·Never use main winch with less than three wraps on drum.·Minimum engine speed for winching operations is 1500 rpm. Maximum speedis 1800 rpm.(a)Observer will be in view of both operators to direct operations.2-145
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