6. After the system has been primed, the engine can be restarted.
If the engine still shows power losses, replace the element.
9.3 Back-flushing process
If the filter element is clogged by dirt particles and currently there is no way to replace the element,
back-flushing can be used as an alternative. Hereby a part of the collected dirt again can be washed
out. Depending on the degree of contamination the performance of the filter element can be
restored.
1. Turn off the engine.
2. Open the bleed screw on the filter lid.
3. Place a container under the drain valve.
4. Open the drain valve by push or pull of the handle and turn it to a vertical position.
5. The clean fuel, which is located on the clean above the filter element, then flows back
through the filter element and cleans the element from water droplets and fine dirt.
6. Drain as much fuel from the filter so that the dirt is flushed out of the bowl.
7. Rotate the drain valve several times to ensure that no contamination blocks closing of
the drain. Make sure that the drain valve is engaged in "closed" position.
8. Close the drain valve.
9. Close the bleed screw.
10. Prime the fuel system.
11. The engine can be re-started again.
If the engine still continues to show power loss, repeat the process or replace the element (s. chap
9.4).
9.4 Element replacement
The filter element of the SWK-2000 should be changed if resistance exceeds engine manufacturer’s
specification, but at least once a year.
Replacement of the element:
1. Turn off the engine. In case of switchable filters switch lever to the other filter.
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