Rigging work
12.9 Rigging work on the main boom
Operating manual GMK 6400 3 112 993 en 12 - 119
12.07.2013
12.9.4 Possible reeving methods on the main boom
Possible reevings on lattice extensions and the auxiliary single-sheave
boom top;
à Lattice extension operating instructions.
H
The maximum lifting capacity of individual hook blocks does not corre-
spond to the maximum lifting capacity of the GMK 6400 together with this
hook block. The lifting capacity of the GMK 6400 depends on the rope pull,
the reeving and friction force. It is lower than the lifting capacity of the hook
block.
H
Please note that the maximum lifting capacities already include the weight
of the hook block and the lifting gear. You must subtract these weights in
order to obtain the actual payload.
H
The indicated lifting capacities apply to the wire cable of the main hoist.
When using the auxiliary hoist, you have to increase the reeving for the
same lifting capacity due to the reduced wire cable (wire cable of the hoists;
à p. 1 - 17).
With 7 head
sheaves
7 sheave hook block
Maximum lifting capacity of the hook block:
200 t (440 900 lbs)
Max. lifting capacity with the GMK 6400
s
Reeving Maximum lifting capacity
A 14x 157.0 t (346 100 lbs)
B 13x 145.8 t (321 400 lbs)
C 12x 134.6 t (296 700 lbs)
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