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Malfunctions during crane operation
14.6 Hydraulic emergency operation with the hand pump
Operating manual
3 302 709 en
14 - 55
GMK5150L
1
2
.0
1.
201
8
For lowering
You must additionally switch a valve to continuous operation for lowering.
Switching on continuous operation
•
Unscrew the cap (
2
) from valve Y1104 –
Lowering
(
1
).
•
Remove the plug (
4
).
•
Screw the cap with pin (
3
) on to the valve –
continuous operation is now switched on.
Switching off continuous operation
•
Unscrew the cap (
2
) from the valve (
1
).
•
Screw the cap on so that the pin (
3
) can be
seen.
•
Insert the plug (
4
).
S
Danger due to falling loads
Switch off continuous operation immediately after emergency activation.
Check that the pin can be seen on the cap.
Thus you prevent loads falling down immediately after lifting in subse-
quent crane operation.
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 ...
Page 16: ...3 302 709 en Operating manual GMK5150L 12 01 2018 ...
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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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