Zoomlion ZCC1100, Operator'S Manual, Page: 230 / 291

Operator’s Manual for Crawler Crane
Assembly
and
Dismantli
ng
5-24
c) When central counterweight is aligned with the undercarriage central section, attach the
hooks at the upper side of central counterweight to the attachment points on the
undercarriage central section. See the figure 5-25.
Figure 5-25 Attachment of upper hook of central counterweight
d) Slowly extend mounting cylinder to make central counterweight rotate around the upper
attachment points until the central counterweight is in contact with the undercarriage
central section completely.
e) After the central counterweight is assembled, keep the connection between the mounting
cylinder and central counterweight. See the figure 5-26.
f) Unwind derricking rope properly, and then retract mounting cylinder slowly. At this time,
main boom pivot section is pulled down to a proper position with the help of mounting
cylinder. See the figure 5-27.
g) When main boom pivot section can be lowered by itself, remove the rope between
mounting cylinder and central counterweight. Then the assembly of central counterweight
on one side of crane is finished.
For reference only.
Operators manual should be consulted and adhered to.