Safety regulations
9
5. Special instructions when working on the common rail system
Accident protection
D Risk of injury!
Fuel jets can cut through skin.
The atomisation of fuel creates a fire risk.
− When the engine is running never loosen the screw connections on the fuel’s high-
pressure side of the common rail system (injection line from the high-pressure pump
to the rail, on the rail and on the cylinder head to the injector)
− Keep away from the engine when it is running
D Risk of injury!
When the engine is running the lines are constantly under a fuel pressure of up
to 1600 bar.
− Wait at least a minute until the pressure in the rail has dropped before loosening a
screw connection
− If necessary check the pressure drop in the rail with MAN-Cats
D Risk of injury!
− People with pacemaker must keep at least 20 cm away from the running engine
− Do not touch live parts on the electric connection of the injectors when the engine is
running
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