Flush the pump with a solution that will chemically neutralize the liquid pumped. Check all diaphragms and check valves for corrosion and wear as well as for water or oil leaks
Tsukani chopopera ndi madzi omwe angaphe ululu wa mankhwala omwe akupopedwa. Onani zosefera zonse komanso ma zotchinga madzi ngati akuchita dzimbiri ndikudyeka komanso kudontha kwa madzi ndi mafuta