Document DvO6eZQrj18bJEO6BLj5pE63O

Fic 25--18 --Some details of boom-indicating device that shows the safe load with the boom at any angle Notes (a) Verify all dimensions of the crane before fabricating the indicator (b) After assem bling the indicator, ascertain from the manufacturer of the crane the radii at which each additional 1000 pounds may be lifted safely Raise or lower the boom to give the desired radius and paint the figures on the dial at the proper point (c) Note that the boom radius is measured from the center pin of the crane, and not from the boom hinge pm From Consolidated. Edison Company of New York and from Handbook of Rigging, W Rosmagel ( 1950, McGraw-HtU Book Company) Fic 25-19 --Guard on loco motive crane prevents a man from being caught m the shear between the cab and the car body The guard is pivoted under the corner of the cab, and the slide at the farther comer follows the continuous guide track When the cab is parallel to length of the bed, guard is entirely un der the cab, as cab swings out, the guard is extended 688