- Load-bearing steel components
(e.g. the undercarriage, upper car-
riage, boom, auxiliary boom, sup-
porting boom, kinematic triangle,
mast sections, masthead, winch
trestles and the connection be-
tween the piston eyes and the hy-
draulic cylinders and piston rods)
should undergo visual inspection
prior to mounting to check for fis-
sures and other damage.