(1) Lelee ya na penetrant agba: gbanye isi cylinder n'ime kerosene ma ọ bụ ihe na-acha agba agba (oke nke 65% kerosene, mmanụ transformer 30%, 5% turpentine na obere mmanụ na-acha uhie uhie), wepụ ya mgbe awa 2 gachara. , ma hichapụ ntụpọ mmanụ akọrọ n'elu, kpuchie ya na obere oyi akwa nke ntụ ntụ ọcha, wee kpoo ya, ọ bụrụ na enwere mgbawa, ahịrị ojii (ma ọ bụ agba). gosi.

(2) Nnwale nrụgide mmiri: wụnye isi cylinder na gasket na ngọngọ cylinder, wụnye efere mkpuchi n'ihu mgbidi cylinder ahụ, ma jikọọ ọkpọkọ mmiri na hydraulic press iji mechie ụzọ mmiri ndị ọzọ, wee pịa bọtịnụ. mmiri n'ime cylinder Isi na cylinder isi. Ihe a chọrọ bụ: n'okpuru nrụgide mmiri nke 200 ~ 400 kPa, debe ya maka ihe na-erughị 5s, na enweghị nkwụsị. Ọ bụrụ na mmiri na-asọpụta, a ga-enwe mgbawa.

(3) Nnwale nrụgide mmanụ: Tinye mmanụ ụgbọala ma ọ bụ kerosene n'ime jaket mmiri nke ihe mgbochi cylinder na isi cylinder, wee lelee maka nkwụsịtụ mgbe ọkara elekere gasịrị.

(4) Nnwale nrụgide ikuku: Mgbe a na-eji ule ikuku ikuku mee nyocha, isi cylinder ga-emikpu n'ime mmiri mmadụ, ebe a ga-enyocha ebe mgbawa ahụ site na afụ na-apụta na mmiri. Ị nwere ike iji ikuku abịakọrọ nke 138 ~ 207 kPa na-agafe na ọwa ka a nyochaa ya, debe nrụgide maka 30 s, ma chọpụta ma enwere ikuku ikuku n'oge a.