Maintenance and Service
Diesel engine
The filter cartridges may only be removed when the diesel engine is shut down. The
safest, quickest and cleanest way of maintaining the filter cartridges is exchanging
them for new cartridges.
The main element may, as described below, be cleaned. Since minor damage is often
very difficult or impossible to detect, always use new filter cartridges to protect the
diesel engine. We do not assume any warranty for cleaned elements and the conse-
quences caused by them.
ENVIRONMENT
When replacing the filter cartridge, the old cartridge must be disposed of in accor-
dance with the local environmental regulations.
– Open filter housing.
– Carefully remove the main cartridge (1) from the inner pipe by rotating it gently and
make sure that it cannot be damaged.
– Thoroughly clean the inside of the housing with the moist cloth, especially the seal-
ing surface for the filter cartridge. Be very careful so that no dirt get into the pure air
side of the filter.
– Never wash or brush out the main element. When blowing out, take the great care
that no dust reaches the internal side of the main element.
– Blow out using a compressed air gun. A pipe angled at 90° at the lower end must
be fitted onto this gun (see illustration).
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