Safety regulations
7
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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