5.1 Switch-over system
A switch-over system (marked in the product key through the addition /U) is a redundant Separ filter
structure. The redundant system ensures uninterrupted operation of the filter system (e.g. during
maintenance work on the filter).
Example of a switch-over system
4
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Both filters have a common fuel inlet and a common fuel outlet. Using the switch-over lever, the
filter through which the fuel should pass can be changed. The other respective filter is now no longer
part of the fuel circulation and can be emptied and opened for maintenance purposes (see Chapter
9). Operation of the switch-over system in other lever positions to those shown in the following
diagram is not permitted (move the lever only to the right or to the left as far as it will go)!
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