Malfunctions during crane operation
14.5 Emergency operations and programs
Operating manual 3 302 690 en 14 - 41
GMK4100L-1
23.11.2017
Locking points for the telescopic sections
The telescopic section must not be set down for locking or unlocking it.
The cutout (1) must be clear. That is why you have to extend the telescoping
cylinder about 25 mm further than for a return run.
Exception: At fixed length 0%, the value is the same as for an empty drive.
The following table shows the extended length for locking and unlocking
the telescopic sections.
Table for locking/unlocking the telescopic sections
Telescopic
section
Locking point at
fixed length
Extended length of
telescoping cylinder
in % in mm (in ft)
Telescopic
section
I
0
50
92
100
5
4,140
7,592
8,249
(0.02)
(13.58)
(24.91)
(27.06)
Telescopic
section
II
0
50
92
100
274
4,445
7,928
8,590
(0.90)
(14.58)
(26.01)
(28.18)
Telescopic
section
III
0
50
92
100
536
4,699
8,174
8,836
(1.76)
(15.42)
(26.82)
(28.99)
Telescopic
section
IV
0
50
92
100
799
4,924
8,367
9,023
(2.62)
(16.15)
(27.45)
(29.60)
Telescopic
section
V
0
50
92
100
1,061
5,062
8,402
9,039
(3.48)
(16.61)
(27.57)
(29.66)
Telescopic
section
VI
0
50
92
100
1,281
5,171
8,417
9,035
(4.20)
(16.97)
(27.61)
(29.64)
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