Swing-away lattice
3.5 Operation with swing-away lattice
Lattice extension operating instructions 3 112 441 en 3 - 87
GMK 4100/4100-L/5095
11.01.2008
3.5 Operation with swing-away lattice
H
When operating the swing-away lattice, the maximum speed for the differ-
ent power units is limited to 70%,
à Operating instructions GMK 4100/4100-
L/5095
.
The hoisting, lowering, slewing, derricking and telescoping operations are
carried out in the same way as when operating with the main boom. This
section only contains information that you need for a rigged or installed
swing-away lattice.
3.5.1 Setting the SLI
H
If a hook block is reeved on the main boom during operation with the lattice
extension, the loads specified in the
Lifting capacity tables are reduced and
the SLI switches off earlier accordingly.
The values which have to be deducted from the lifting capacities depend on
the length of the lattice extension and the weight of the hook block. A table
with the values can be found in the
Lifting capacity tables in the section titled
Notes on working with the swing-away lattice extension.
When operating
with the swing-
away lattice
Components which have to be entered additionally on the SLI:
s
S
Risk of damage to the main boom
During operation with the 10 m (33 ft) swing-away lattice at an angle of 0°
in the steepest boom position, the head sheaves on the main boom can be
damaged if a hook block is raised or lowered.
Reduce the hoist speed so that the hook block is raised slowly past the head
sheaves.
With derricking swing-away lattice: the length
With inclinable swing-away lattice: the length and the angle
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