A service truck crane (knuckle boom crane) is mounted on a truck bed. Before lifting, which setup step is most critical for safe operation?
-
A
Deploy and level the outriggers on stable ground and verify all outrigger pads are fully seated
-
B
Engage the truck's parking brake only — outriggers are optional for light lifts
-
C
Raise the truck body's dump box to counterbalance the crane load
-
D
Point the truck so the crane rotates away from the cab