Liebherr LHM 420 User Manual

5 (1)
Liebherr LHM 420 User Manual

Mobile Harbour Crane

LHM 420

 

 

Main dimensions

Bulk operation

 

Load diagram

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

160

 

 

 

 

 

 

 

 

 

 

 

 

 

 

140

 

 

 

 

 

 

 

 

 

 

 

 

 

 

120

 

 

on

 

 

 

 

 

 

 

 

 

 

(t)

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the ropes

 

 

 

 

 

 

 

 

 

 

Capacity

80

 

 

motor grab

 

 

 

 

 

 

 

 

 

 

60

 

 

4-rope grab

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

5

10

15

20

25

30

35

40

45

50

55

 

 

 

 

 

 

 

 

 

Outreach (m)

 

 

 

 

 

32.8 m

Boom fulcrum 17.8 m

 

Eye level 23.8 m

 

 

 

 

 

 

 

 

Above quay max. 44 m (depending on grab)

 

 

 

 

 

 

 

 

80.000 DWT

 

 

 

Below quay approx. 14 m

 

 

 

 

12.5 m

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 

LHM 420

 

 

 

 

 

 

 

 

 

 

 

 

 

Bulk operation

Maximum crane capacity 124 t

 

 

Maximum crane capacity 84 t

 

 

 

Hook operation

Grab operation

 

 

Hook operation

 

Grab operation

Outreach

on the ropes

4-rope grab

motor grab

 

Outreach

on the ropes

 

4-rope grab

motor grab

(m)

(t)

(t)

(t)

 

(m)

(t)

 

(t)

(t)

10.5

124.0

75.0

90.0

10.5

84.0

 

45.0

52.0

11

124.0

75.0

90.0

11

84.0

 

45.0

52.0

12

124.0

75.0

90.0

12

84.0

 

45.0

52.0

13

117.6

75.0

90.0

13

84.0

 

45.0

52.0

14

111.5

75.0

90.0

14

84.0

 

45.0

52.0

15

105.6

75.0

90.0

15

84.0

 

45.0

52.0

16

100.1

75.0

90.0

16

84.0

 

45.0

52.0

18

90.0

75.0

81.0

18

84.0

 

45.0

52.0

19

85.3

75.0

76.8

19

84.0

 

45.0

52.0

20

81.0

72.9

72.9

20

81.0

 

45.0

52.0

22

73.1

65.8

65.8

22

73.1

 

45.0

52.0

24

66.2

59.6

59.6

24

66.2

 

45.0

52.0

26

60.2

54.2

54.2

26

60.2

 

45.0

52.0

28

55.1

49.5

49.5

28

55.1

 

45.0

49.5

30

50.6

45.5

45.5

30

50.6

 

45.0

45.5

31

48.6

43.7

43.7

31

48.6

 

43.7

43.7

34

43.4

39.1

39.1

34

43.4

 

39.1

39.1

36

40.5

36.5

36.5

36

40.5

 

36.5

36.5

38

38.0

34.2

34.2

38

38.0

 

34.2

34.2

40

35.7

32.1

32.1

40

35.7

 

32.1

32.1

42

33.5

30.2

30.2

42

33.5

 

30.2

30.2

44

31.4

28.3

28.3

44

31.4

 

28.3

28.3

46

29.3

26.3

26.3

46

29.3

 

26.3

26.3

48

27.3

24.5

24.5

48

27.3

 

24.5

24.5

 

 

 

 

 

 

 

 

 

 

Weight ramshorn hook 3.8 t Weight rotator 3.0 t

Weight ramshorn hook 2.2 t Weight rotator 2.2 t

Standard configuration 

 

 

 Turnover up to 1500 t per hour

 

 

Pactronic®

 Turnover up to 2000 t per hour

The powerful hydrostatic transmission and advanced Liebherr electronics ensure short, productive working cycles during bulk handling.

During grab operation, hoisting, slewing, and luffing are driven simultaneously at maximized speed to achieve the highest (possible) turnover.

During grab filling, features such as automatic lowering and hoisting guarantee the optimum filling level of the grab.

The slack rope monitoring system ensures extended lifetime of the ropes and increases operational safety.

Reverse power is returned to the drive process through closed loop hydraulics which results in reduced fuel consumption.

The Cycoptronic® anti-sway system automatically compensates for all rotational swing, transverse and longitudinal sway of the load at maximum speeds.

To provide safe and stress-free working conditions for the operator, Liebherr offers the Cycoptronic® including TeachIn® feature, a semi-automatic system, which pilots the crane from the vessel hatch to the quay without any sway. Especially for bulk operation into hoppers, the Teach-In® system increases turnover and ensures consistent turnover rates during the entire ship unloading.

Liebherr technology is absolutely resistant to all types of dust and dirt due to the closed hydraulic system and an electronic system which is military proven and tested.

The airflow needed for cooling hydraulic and engine systems is routed external from the main machinery house. This helps keep the engine room clean and free of debris.

LHM 420  3

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