Zoomlion ZCC1100, Operator'S Manual, Page: 276 / 291

Operator’s Manual for Crawler Crane
Assembly
and
Dismantli
ng
5-70
5.5.5 Lowering and dismantling main boom
5.5.5.1 Lowering main boom
–
Move right control lever to the right to reel off derricking winch, and main boom will be
lowered gradually.
–
Make load hook come into contact with the ground first when the boom angle is more than
30°.
–
Continue to reel off derricking winch until main boom head is lowered on the ground.
–
Move right control lever to the neutral position to stop operation.
5.5.5.2 Dismantling boom sections and anchoring rods
After the anchoring rods are lowered down on the nylon support plate on the relevant boom
sections, remove the pin spindles on anchoring rods, and then secure the anchoring rods on
the supports with pin spindles for transportation.
a) Dismantle boom sections using an auxiliary crane.
b) Lower A-frame down on the slewing table.
CAUTION
(1) Dismantling of main boom is carried out in the reverse order of assembly.
(2) Warnings and safety precautions for assembly should be observed during
dismantling operation.
For reference only.
Operators manual should be consulted and adhered to.