Crane operation
11.4 Settings and displays for crane operation
11 - 112 3 112 993 en Operating manual GMK 6400
12.07.2013
Coolant too hot
The coolant in the engine is hotter than approx. 95°C (205°F).
Current temperature display;
à p. 10 - 11.
Possible cause and solution;
à p. 14 - 20.
Coolant level too low
• Immediately top up the coolant so that the engine does not overheat;
à Maintenance manual.
Oil pressure too low
A warning buzzer sounds at the same time.
• Set down the load as soon as possible and turn off the engine
• Check the oil level; à Maintenance manual
• Add oil if necessary If the error message persists, refer to Manitowoc
Crane Care
Engine electronic system
Malfunction in the engine electronics:
– Immediately switch off the motor;
à Malfunctions in the engine, p. 7 - 27
S
Risk of damage if warning messages are not observed
Observe the following information in good time and take the appropriate
remedial measures if a warning message appears. This prevents these mal-
functions from causing malfunctions in the truck crane.
S
Risk of damage to the engine if the oil pressure drops
Turn off the engine as soon as possible and look for the cause if the lamp
lights up or the warning buzzer sounds.
Never restart the engine before you have found the cause and eliminated
the problem;
à p. 14 - 12, à p. 7 - 27
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