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Operator’s Manual for Crawler Crane
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Operator’s Manual for Crawler Crane
ZCC1100H Crawler Crane 2-3
2.1.4.2 Classification of the crane
The crane group of the crane is A1, operating class is U2 and the load collective class is Q1.
All important components of the crane are designed and manufactured for normal assembly
operation. Operating conditions or types of use other than assembly operation require the
permission of the manufacturer and normally lead to a reduction in the lifting capacities.
Otherwise, the life of the crane will reduce. The classification of various mechanisms is shown
in table 2-1.
Table 2-1 Classification of various mechanisms
No.
Working
mechanism
Operating class
Load collective
class
Crane group
1 Hoisting winch T3/T5 L2/L3 M4/M6
2
Slewing
mechanism
T2 L2 M2
3
Derricking
mechanism
T2 L2 M2
4 Travel gear T2 L1 M1
Note:
Among hoisting winches, the group of winch with free-fall function is M6, and group of normal winch is M4.
2.1.4.3 Service life
Classification of the crane is based on a total operating life (service life) of 20 years under the
following conditions:
a) The crane is operated as an assembly crane. The load capacity charts specified for the
crane are for assembly operation only. General cargo handling or grab operation can only
be permitted following express permission from the manufacturer under suitable
conditions.
b) The entire number of the crane
’s load cycles
A
“load cycle” encompasses processes which begin when a load is lifted and end when the
crane is ready to lift the next load, including the time of crane operation and normal break.
The entire number of the crane
’s load cycles with operating class U2 is 32000 – 63000 (for
example: 8
– 20 strokes / day on 200 days / year).
c) The load collective class of the crane
The load spectrum coefficient of the crane with load collective class Q1
125 . 0

p
K
(lift
the rated load rarely, but the medium-duty load frequently), the calculation of load
spectrum coefficient is expressed as follows:


















3
max Q
Qi
T
i
P
P
P
C
C
K
For reference only.
Operators manual should be consulted and adhered to.