Safety regulations
8
Cleanliness
Today modern components of diesel injection consist of high‐precision parts which are exposed to extreme
stresses. The high‐precision technology requires the utmost cleanliness during all work on the fuel
system.
Even a particle of dirt over 0,2 mm can lead to the failure of components.
The measures described as follows are therefore essential before work begins:
Risk of damage from penetration of dirt!
D Before working on the clean side of the fuel system clean the engine and the engine
compartment. During cleaning the fuel system must be closed.
D Carry out visual inspection for any leakage or damage to the fuel system
D Do not spray the high‐pressure cleaner direct onto the electric components, or
alternatively keep them covered
D Do not carry out any welding or sanding work in the engine compartment during
maintenance / repair
D Avoid air movements (any swirling of dust when starting engines)
D The area of the still closed fuel system must be cleaned and dried with the aid of
compressed air
D Remove detached particles of dirt such as paint chippings and insulation material with a
suitable extractor (industrial type vacuum cleaner)
D Cover areas of the engine compartment from which dust particles could be detached
with clean foil
D Wash your hands and put on clean work clothes before starting the disassembly work
When carrying out the work it is essential to comply with the following measures:
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