In order to lift a load,the gantry should be? - ANSWER Rasised
Lattice boom gets it straight from the? - ANSWER Struts or lattice
Which pins should never be removed when pendant lines are attached to the boom? - AN-
SWER Bottom pins before where pendants are attached.
What percentage is the manufacture rated capacity of a lattice boom crawler crane? - AN-
SWER 75%
Traveling down a hill with a load on a crawler crane will cause? - ANSWER The radius to
increase
A crawler crane is strongest over which quadrant? - ANSWER Ends of tracks
A crawler crane is more stable due to ground conditions over which quadrant? - ANSWER
Side
What can be left on the ground when raising long lattice boom to increase stability? - AN-
SWER Block and ball
The boom angle on a lattice boom crane is____________ after the load is lifted. - AN-
SWER Angle between the centerline of the boom and horizontal
1