TM 5-3810-306-102.Depress swing brake foot pedal on left side of thecab under front console to stop boom swing.3.When swinging has stopped, push the SWINGBRAKE control to engage swing lock.RAISING AND LOWERING BOOMWARNINGBefore raising the boom, ensure thearea above and beneath the boom isclear of all objects and personnel.1.To raise boom, pull BOOM lift control lever backtoward you and hold until boom reaches desiredangle.WARNINGBefore lowering the boom, make certainthe area beneath the boom is clear of allobjects and personnel.WARNINGWhen lowering the boom, let out hoistcable to prevent twoblocking the boomnose and the hook block.CAUTIONThe closer the load is carried to theboom nose, the more important itbecomes to let out hoist cable as theboom is lowered.2.To lower boom, push BOOM lift control leverforward, away from you, and hold until boom reachesdesired angle.Boom Lift Control Pedal.NOTEThe boom may also be raised orlowered using the boom lift controlpedal.1.Depress toe of pedal to lower boom angle.2.Depress heel of pedal to raise boom.TELESCOPING (EXTENDING) BOOMWARNINGWhen extending the boom, let out hoistcable to prevent twoblocking the boomnose and hook block.2-49
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