TM 9-2350-238-10OPERATING CRANE–CONTINUEDBOOM OPERATION–CONTINUED3456Release single boom block (2)from front of vehicle.Do not continue holding controlhandle (1) in RAISE or LOWERposition after boom reaches itslimits.Pull boom cylinder control handle (3)down to RAISE position to raise boom.Slowly move boom cylinder control han-dle (3) to center position to stop boomcylinders.Push boom cylinder control handle (3)forward to LOWER position to lowerboom.REEVING BOOM WINCH WIRE ROPENormally boom winch wire rope is used withsingle boom block and clevis end is attachedto boom to provide a two-part line hoistingcapability. When used as a single line pull,wire rope is detached from the boom andremoved from single boom block.Always wear leather gloves(item 31, appx B) when handl-ing winch cable. Never allowcable to run through hands.Broken wires can cause painfulinjuries. Do not operatewinch/crane with less than fourturns of wire rope on drums.Failure to observe these warn-ings could result in injuries topersonnel.1 Start hydraulic system. Refer to page2-67.2-77
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