Rubuta ci gaba ga wannan sakin layi - A ranar 10 ga Oktoba, 1890, rundunar sojan ruwa ta kafa kwamandan gwaji na Torpedo don ci gaba da bunkasa sashin torpedo na rundunar jiragen ruwa; wannan aikin da aka yi a baya ta hanyar Torpedo Workshop a Friedrichsort. "Greif" an haɗa shi da umurnin a ranar 1 ga Nuwamba don taimakawa wajen gudanar da gwaje-gwaje a Kiel Bay. An dakatar da wannan aikin a ranar 2 ga Afrilu 1891 lokacin da "Greif" ya shiga Wilhelm II don gaishe da ƙuƙwalwar ƙuƙwalwa, sannan ya dawo daga Gabashin Afirka na Jamus, inda tawayen Abushiri
kwanan nan aka danne. A ranar 10 ga Yuni, "Greif" ya shiga cikin bushewa a "Kaiserliche Werft" a Kiel don sabuntawa, wanda ya haɗa da maye gurbin babban batir. An kammala aikin a ranar 21 ga watan Agusta, sannan gwaje-gwajen teku a Danzig Bay har zuwa Nuwamba. Shekarar 1892 ta wuce ba tare da wani abin da ya faru ba, tare da abin da kawai ya faru shi ne halartar "Greif" a cikin horar da jiragen ruwa daga ranar 30 ga Agusta zuwa 5 ga Satumba.