Zoomlion ZCC1100H, Operator'S Manual

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Operator’s Manual for Crawler Crane
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5-68
c) Check hoisting limit switch for H2
Support and hold the hoisting limit switch weight for H2 to ensure that the switch is
triggered, and then check that the icon “upper limit switch on H2” on the screen will flash
and the buzzer will sound.
d) Check anemometer
One person rotates the vane of anemometer quickly by hand, and the other checks
whether there is the wind speed value shown on the screen on the load moment limiter in
the cab.
5.5.4 Erecting main boom
5.5.4.1 Requirements for erecting the main boom
a) The crane is leveled.
b) The counterweight plates have been attached.
c) Select appropriate boom configurations according to the load to be lifted, working radius,
lifting height, load capacity charts and lifting height curve; ensure that boom sections have
been connected and secured.
d) All limit switches have been correctly fitted and are fully operational.
e) All pinned connections have been secured.
f) The hoisting rope is properly placed in the rope pulleys, and is secured with rope guard
tube to prevent against jumping out from rope groove.
g) No person is present in the danger zone.
h) There are no loose parts on main boom or fixed jib.
i) In winter, main boom, fixed jib and associated components (hoisting limit switches, cable
drums, warning light on the boom head, anemometer etc.) must be kept free of ice and
snow.
DANGER
Ineffective limit switches and falling parts may cause accident.
5.5.4.2 Raising main boom
–
Move right control lever to the left to spool up derricking winch, and main boom anchoring
rods will be tensioned gradually.
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Continue to spool up derricking winch to raise main boom.
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After raising main boom to required position, move right control lever to the neutral position
to stop raising main boom. See the figure 5-62.
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During boom raising process, reel off hoisting winch properly.