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Malfunctions during crane operation
14.5 Emergency operations and programs
Operating manual
3 302 709 en
14 - 35
GMK5150L
1
2
.0
1.
201
8
H
In the
Telescoping
emergency programme, all functions for retracting the
main boom remain enabled as long as there are no other errors (hydraulic
or mechanical).
The speed is restricted to approximately 30% of the maximum speed.
Error at the
length indicator
First register the current status of the telescoping mechanism.
•
Check the positions of the locking pins as
usual, i.e. at the symbols (
1
) and (
2
).
•
Check that the display (
3
) shows the RCL
measured value for the extended length of
the telescoping cylinder.
s
G
Risk of damage to the main boom
Never telescope the main boom if at the same time there is an error at both
the length indicator and the proximity switch.
It would then not be possible for you to monitor operations, and compo-
nents in the main boom could be damaged, or a situation could arise in
which the main boom can no longer be extended or retracted.
Summary of Contents for GROVE GMK5150L
Page 1: ...Operating manual 3 302 709 en 12 01 2018 ...
Page 6: ...12 01 2018 2 3 302 706 en Additional page GMK Blank page ...
Page 8: ...31 08 2018 2 3 302 808 en Additional pages GMK Blank page ...
Page 12: ...22 11 2018 4 3 302 834 en us Correction sheet GMK5150 GMK5150L Blank page ...
Page 14: ...28 11 2018 2 3 302 839 en Additional pages GMK Blank page ...
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Page 45: ...Operating manual 3 302 709 en GMK5150L 12 01 2018 15 15 Index ...
Page 46: ...3 302 709 en Operating manual GMK5150L 12 01 2018 ...
Page 48: ...Overview 1 1 Accidents 1 2 3 302 709 en Operating manual GMK5150L 12 01 2018 Blank page ...
Page 50: ...Overview 1 4 Terms used 1 4 3 302 709 en Operating manual GMK5150L 12 01 2018 1 4 Terms used ...
Page 52: ...Overview 1 4 Terms used 1 6 3 302 709 en Operating manual GMK5150L 12 01 2018 Blank page ...
Page 1020: ...Index 15 2 3 302 709 en Operating manual GMK5150L 12 01 2018 Blank page ...
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