Ngenxa yokuba umthamo wobushushu obuthile wamanzi mkhulu, ukunyuka kwamaqondo obushushu emva kokufunxa ubushushu bebhloko yesilinda abukho kakhulu, ngoko ke ubushushu be-injini ngesekethe yolwelo lwamanzi okupholisa, ukusetyenziswa kwamanzi njengesixhobo sokuhambisa ubushushu, emva koko ngommandla omkhulu we-sinki yobushushu kwindlela yokuhambisa ubushushu, ukuze kugcinwe ubushushu obufanelekileyo bokusebenza kwe-injini ye-diesel generator.
Xa ubushushu bamanzi enjini ye-diesel generator buphezulu, impompo yamanzi impompa amanzi ngokuphindaphindiweyo ukunciphisa ubushushu be-injini, (Itanki yamanzi yenziwe ityhubhu yobhedu engenanto. Amanzi obushushu obuphezulu angena kwitanki yamanzi ngokupholisa umoya kunye nokujikeleza kwi-injini yodonga lwesilinda) ukukhusela i-injini, ukuba ubushushu bamanzi ebusika buphantsi kakhulu, ngeli xesha, kuya kunqanda ukujikeleza kwamanzi kwi-injini ye-diesel.
I-diesel generator set water tank idlala indima ebaluleke kakhulu kuwo wonke umzimba we-generator, ukuba itanki yamanzi isetyenziswe ngendlela engafanelekanga, iya kubangela umonakalo kwi-injini ye-diesel kunye nejenereyitha, kwaye iya kubangela ukuba injini ye-diesel ichithwe kwiimeko ezinzima, ngoko ke, abasebenzisi kufuneka bafunde ukusebenzisa ngokuchanekileyo i-dizeli generator set water tank.