Schwamborn STS 400 Gebrauchs- Und Wartungsanleitung Seite 21

15. FILTER CLEANING DEVICE AND SUCTION MODE
TO MAKE CLEANING EFFECTIVE THE VACUUM CLEANER
MUST BE IN OPERATION.
15.1 MANUAL FILTER CLEANING
Close the suction nozzle (A) and operate the lever (B) with quick movements to clean the filter.
If necessary repeat the process.
B
A