Driving
5.3 Driving and turning off the truck crane
5 - 48 3 112 993 en Operating manual GMK 6400
12.07.2013
Hydraulic oil too hot
The hydraulic oil is hotter than 80°C (176°F).
Current temperature display;
à p. 4 - 22.
Possible cause and solution;
à p. 7 - 33.
Replace the hydraulic oil filter
Replace the appropriate hydraulic oil filter as quickly as possible;
à Maintenance manual.
Oil pressure too low
A warning buzzer sounds at the same time.
• Stop the truck crane as quickly as possible while observing the traffic
situation and turn off the engine.
• Check the oil level; à Maintenance manual.
Air intake inhibitor triggered
The air intake inhibitor was triggered because the maximum permissible
engine speed was exceeded. It is only possible to start the engine after the
air intake inhibitor has been released manually;
à p. 4 - 27.
Voltage monitoring
The voltage in the carrier electrical system is too high or too low.
Current voltage display;
à p. 4 - 22.
S
Danger of overheating
There is a fault if the hydraulic oil temperature exceeds 80°C (176°F). Stop
the truck crane at the next opportunity and try to find the cause.
Stop the truck crane immediately and turn off the vehicle engine if the tem-
perature of the hydraulic oil rises to over 100°C (212°F).
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. 7 - 27.
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