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Malfunctions in driving mode
7.7 Troubleshooting
7 - 32
3 112 993 en
Operating manual GMK 6400
1
2
.0
7.
201
3
7.7.6
Steering malfunctions
Malfunction
Cause
Remedy
Steering wheel hard to
turn, grating noises when
steering
Oil level in the hydraulic oil
tank too low
Check hydraulic oil level;
à
Maintenance manual
Symbol
d
or
e
is red
Oil level in the hydraulic oil
tank too low
Stop and check whether oil
has run out
Steering circuit has failed,
e.g. pump faulty
Symbol
d
and
e
are red
Both steering circuits have
failed
The truck crane cannot be
driven any further, since it
can no longer be steered.
Separate steering cannot
be activated
Current speed over approx.
5 km/h (3 mph)
Slow down or stop the
truck crane
Separate steering cannot
be switched off
Current speed over approx.
5 km/h (3 mph)
Separate steering not
working
Fuse F7/1, F7/2 or F7/3
blown
Replace blown fuse;
Separate steering not
working and the
ECOS
dis-
play shows an error mes-
sage
ECOS malfunction
Read out error messages
(
p. 7 - 35) and notify
Manitowoc Crane Care
Summary of Contents for GROVE GMK 6400
Page 1: ...3 112 993 en 12 07 2013 Operating manual Part 1 Driving ...
Page 9: ...Correction sheet GMK6400 3 302 804 en 7 27 08 2018 Hook tackle Reeving A 1x ...
Page 10: ...27 08 2018 8 3 302 804 en Correction sheet GMK6400 Blank page ...
Page 12: ...06 06 2014 2 3 113 115 en Correction sheet GMK6400 Blank page ...
Page 18: ...22 01 2014 6 3 113 060 en Additional page GMK6400 Blank page ...
Page 26: ...3 112 993 en Operating manual GMK 6400 12 07 2013 Blank page ...
Page 28: ...3 112 993 en Operating manual GMK 6400 12 07 2013 ...
Page 32: ...Overview 1 4 Terms used 1 4 3 112 993 en Operating manual GMK 6400 12 07 2013 1 4 Terms used ...
Page 34: ...Overview 1 4 Terms used 1 6 3 112 993 en Operating manual GMK 6400 12 07 2013 Blank page ...
Page 64: ...3 112 993 en Operating manual GMK 6400 12 07 2013 ...
Page 76: ...3 112 993 en Operating manual GMK 6400 12 07 2013 ...
Page 142: ...3 112 993 en Operating manual GMK 6400 12 07 2013 ...
Page 338: ...3 112 993 en Operating manual GMK 6400 12 07 2013 ...
Page 383: ...Operating manual GMK 6400 3 112 993 en 12 07 2013 8 8 Index ...
Page 384: ...3 112 993 en Operating manual GMK 6400 12 07 2013 ...
Page 386: ...Index 8 2 3 112 993 en Operating manual GMK 6400 12 07 2013 Blank page ...
Page 404: ...Index 8 20 3 112 993 en Operating manual GMK 6400 12 07 2013 ...
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Page 407: ...3 112 993 en 12 07 2013 Operating manual Part 2 Crane operation ...
Page 415: ...Correction sheet GMK6400 3 302 804 en 7 27 08 2018 Hook tackle Reeving A 1x ...
Page 416: ...27 08 2018 8 3 302 804 en Correction sheet GMK6400 Blank page ...
Page 418: ...06 06 2014 2 3 113 115 en Correction sheet GMK6400 Blank page ...
Page 424: ...22 01 2014 6 3 113 060 en Additional page GMK6400 Blank page ...
Page 432: ...3 112 993 en Operating manual GMK 6400 12 07 2013 Blank page ...
Page 434: ...3 112 993 en Operating manual GMK 6400 12 07 2013 ...
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Page 868: ...3 112 993 en Operating manual GMK 6400 12 07 2013 ...
Page 937: ...Operating manual GMK 6400 3 112 993 en 12 07 2013 15 15 Index ...
Page 938: ...3 112 993 en Operating manual GMK 6400 12 07 2013 ...
Page 940: ...Index 15 2 3 112 993 en Operating manual GMK 6400 12 07 2013 Blank page ...
Page 958: ...Index 15 20 3 112 993 en Operating manual GMK 6400 12 07 2013 ...
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