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7.1.7 Siphon (pos.
‡
)
Siphons and drain pipes must be inspected and cleaned regularly. When separating sludge-forming
products, the siphons and drain pipes might become blocked.
Inspection interval: Inspect when there is an obvious blockage caused by oil and emulsion residue
deposits, hardened oil, fine dusts, etc.
And at least every 4 weeks.
Directions: Clean with hot water and a grease-removing cleaning agent.
After cleaning the siphons, they must be filled again with coolant lubricant. If this is not done, then the
AFS device will not be operational. It is therefore absolutely vital to ensure that the siphons are
always full of fluid. See chapter 5.3.
Parts will have oil and coolant lubricant residue. Wastewater must be disposed of properly and in an
ecologically responsible manner.
7.2 Overview of maintenance intervals
The filter elements must be inspected every week or inspected immediately if the device’s air
extraction performance diminishes.
The AFS device must be serviced when all or some of the filter elements are clogged and dirty as detailed in
the following.
The separation and filter elements can be pulled out of the side of the device for cleaning.
The AFS device must always be disconnected from its power supply before servicing!