Liebherr LHM 420 - Manual (Page 7)

LHM 420 7
Propping arrangements
Standard supporting base 12.5 m x 12.5 m
Standard pad dimension 4 x 5.5 m x 1.8 m
Standard supporting area of pads 9.9 m 2
Optional size of supporting pads and bases on request
Quay load arrangements
Bulk Container
Uniformly distributed load 1.3 t/m 2 1.4 t/m 2
Max. load per tyre 6.1 t 5.8 t
Due to a unique undercarriage design the quay loads specified above can even
be reduced. Pad sizes, supporting base and the number of axle sets can easily
be adapted to comply with the most stringent quay load restrictions.
Technical data
Capacity and Classification
Capacity Classification
Grab operation < 52 t A8
Standard operation < 70 t A6
Container < 57 t A7
Heavy lift < 124 t A3
Main dimensions
Min. to max. outreach 10.5—48 m
Height of boom fulcrum 17.8 m
Tower cabin height (eye level) 23.8 m
Overall height (top of tower) 32.8 m
Overall length of undercarriage 20.0 m
Overall width of undercarriage 6.0 m
Bulk Container
Number of axle sets (standard) 14 16
Number of axle sets (optional) 24 24
Working speeds
Hoisting / lowering 0 — 120 m/min
Slewing 0 — 1.6 rpm
Luffing 0 — 85 m/min
Travelling 0 — 5 km/h
Hoisting heights
Above quay at minimum radius 44 m
Above quay at maximum radius 29 m
Below quay level (approx.)
14 m
Weight
Bulk Container
Total weight of crane (approx.) 342 t 371 t
1. Pactronic ® - power by Accumulator and Electronics
2. Cycoptronic ® - anti-sway system
3. Teach-In ® - semi-automatic point to point system
4. Vertical Line Finder ® - diagonal pull preventing system
5. Sycratronic ® - synchronizing crane control system
6. SCULI ® - crane analyzer with various features
7. Dynamic anti-collision system
8. Economy software - for optimised fuel consumption
9. Modem for data transfer and telediagnosis
10. Data recorder
11. Machine data recording
12. Video monitoring system
13. Radio remote control
14. Autopropping undercarriage
15. Cyclone air-intake system for the engine
16. Low temperature package
17. Tropical temperature package
18. Customer-specific painting & logo
19. Additional (driven) axle sets
20. Axle sets equipped with foamed tyres
21. Different supporting bases and pad sizes
22. And many more as per customers requirements
Optional equipment