For centrifugal pumps, check for correct operating pressure and leaks. At the end of the season, clean the pump and flush it with a 50% solution (half water) of permanent type automobile antifreeze containing a rust inhibitor.
Ma pampu ozungulira, onani ngati ali pa mpweya woyenera kugwiritsa ntchito komanso onani kudontha. Pomaliza pa nyengo yolima, tsukani pampu ndikuthiramo madzi othandizira kuti musachite dzimbiri