TM 9-2320-364-102-137Table 2-5. Operators Preventive Maintenance Checksand Services (Monthly) - CONT.LocationItemNo.IntervalItem toCheck/ServiceProcedureNot Fully MissionCapable if:Ensure that area is clear of personnel before moving SWINGcontrol lever. Boom should be swung slow enough so crane operator has complete control. If operator cannot see load during operation, operate crane from REMOTE CONTROL UNIT. Boom moving out of control could cause serious injury or death.∑Boom must be above truck side for clearance to avoid damage to truck or boom.∑Boom must be horizontal or above for clearance over LHS hookarm to avoid damage to boom or hook arm.NOTERotation of crane is limited to 180 degrees.97MonthlyCrane Control Levers -(Cont).(h) Move SWING control lever (9)to CCW position to move boom (7)counterclockwise. Check thatboom does not move clockwise.Boom will notswing or moves inwrong direction.