Manitowoc GROVE GMK5150L, Operating Manual

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Malfunctions in driving mode
8.3 Warning and error messages
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GMK5150L
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Steering circuit warning
Malfunction in the associated steering circuit 1, 2 or 3 (emergency steering
pump).
•
Stop as quickly as possible, taking account of the current traffic situation.
•
Switch the engine off.
If oil has leaked out
•
Warn any vehicles on the road behind you.
•
Do not continue driving. Contact
Manitowoc Crane Care
.
If no oil has leaked out
•
Check the hydraulic oil level;
à
Maintenance manual .
•
Start the engine.
– If all 3 lamps ( 1 ) light up:
•
Switch the engine off. Contact
Manitowoc Crane Care
.
– If at least 2 lamps ( 1 ) light up:
•
Drive at a speed greater than about 10 km/h (6 mph).
– If only one lamp is still lit, drive slowly to the next repair shop.
The steering may be sluggish.
– If two lamps are still lit, stop immediately. Contact
Manitowoc Crane Care
.
G
Risk of accidents if the steering circuits fail
If one or more lamps light up, stop the truck crane immediately and switch
off the engine!
Check whether oil has been lost. Depending on the size of a leak, the oil
supply in a steering circuit may be lost within a couple minutes.