Starting/switching off the engine – for crane operation
10.4 Air intake inhibitor
Operating Manual GMK6300L 3 112 xxx en 10 - 23
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 10.4             Air intake inhibitor
If the air intake inhibitor is triggered, a flap in the air intake line will close 
and the engine will stop running. The air intake inhibitor is triggered, 
– if an emergency stop switch is actuated or
– when the maximum permissible engine speed is exceeded. In this case, 
the symbol (1) will turn red in the 
Warning submenu. The symbol stays red 
until the ignition has been turned off.
The engine can be restarted only after the air intake inhibitor has been 
released.
Releasing the air 
intake inhibitor 
The following requirements must be met in order to release the air intake 
inhibitor:
– The ignition must be switched off. 
– The emergency stop switch must be reset. 
The indicator (2) shows the current state of the 
air intake inhibitor (1).
(A) – The indicator (2) is in the 
closed position.
(B) – Turn the indicator (2) clockwise until it 
engages in the 
released position. 
You can close the air intake inhibitor manually 
with the lever (3).