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5.4 HOW TO LOOK AT THE ANGLE INDICATOR
• When hanging a load, decide the length of the boom (number of boom sections) and
boom angle, beforehand. Compare the rated total load to the weight of the baggage
hung. Make sure that the total weight of the hoisting accessories, baggage and
slinging tools do not exceed that rated total load.
The angle indicator is attached to the left
and right sides of the No.1 boom and is
composed of a “indicator” and “pointer
scale” as shown on the right.
The angle indicator should be used as
follows:
• Read the angle shown by the indicator.
This value is the “boom angle” at the
time.