Overview
1.5 Technical data
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GMK4090
xx.xx.xxxx
Main boom
Lattice extension
à Lattice extension operating manual
Operating speeds The indicated operating speeds apply to an engine speed of approx.
2,300 min
-1
(rpm).
Noise emission Emission sound pressure level at the workplace
At the crane cab seat: 77 db
Main boom lengths: 11.0 m to 51 m (36.1 ft to 167 ft)
Main boom head: 6 sheaves or 7 sheaves
1)
Cylinder: One single-level telescoping cylinder with
locking/unlocking mechanism
Power unit group
Telescoping mechanism:
M 1 (to ISO 4301 - 2)
1)
Additional equipment
Hoists: Rope speed when lifting and lowering
Normal speed: maximum 60 m/min (200 ft/min)
High-speed
mode:
maximum 120 m/min (394 ft/min)
Slewing gear: 0 to 1.7 revolutions per minute
Telescoping mech-
anism:
Extending the main boom from 11.0 to 51.0 m (36.1 ft
to 167 ft)
about 335 s In automatic mode during uninter-
rupted locking and telescoping
processes
Derricking gear: Derricking between -2.7° and 82°
High-speed
mode:
Raising about 45 s
Lowering the
boom
about 100 s
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