NCCCO Crane

Which area do truck cranes without a 5th outrigger generally have no lifting capacity unless the manufacturer states otherwise? - The fron What is the definition of "operating radius?" - The distance from the center of rotation of the crane to the center of gravity of the load What applies to the capacities below the bold line shown on a load chart? - They are based on the stability of the crane In which quadrant are rough terrain crane capacities generally greater? - Over the front According to federal requirements, under what conditions is it okay for a person to ride the headache ball? - It is never okay By what percentage do most manufacturers require a crane's load chart capacity to be reduced by for duty cycle operations such as high-volume concrete placement? - 20%. From which two points should the boom be measured? - From the boom hinge pins to the center of the boom tip sheave What is the preferred method of installing wire rope from a reel onto a hoist drum? - the rope runs from the top of the reel to the top of the drum Over which quadrant are truck crane capacities usually greater? - Over the rear. According to OSHA, which accessible area of an operating crane must always be barricaded? - The swing radius of the rear of the rotating superstructure