Tukin mota abu ne mai mahimmanci a cikin kula da mota. A cikin amfani da motoci, lokacin ingancin duk samfuran roba da zoben rufewa shine shekaru uku, gami da takalmin ƙura na rabin axle ball keji. Tsufa na halitta da fatattaka za su faru a cikin aiwatar da ci gaba da mikewa da extrusion. Tabbas, zai lalace saboda wasu yanayi mara kyau. Idan an gyara shi kuma ana kiyaye shi akai-akai kuma ana duba shi sosai, ana iya kawar da haɗarin da ke ɓoye cikin lokaci. Idan an samu karyewar kurar rabin axle, to za a maye gurbin kurar nan da nan, in ba haka ba za a sanya rabin axle a cikin kejin ball na rabin axle idan rabin axle bai wuce kilomita dubu uku ko biyar ba. Dangane da lalacewar na'urorin sa, ba za a iya maye gurbinsa kawai ba. Misali, rabin shaft, a matsayin babban ɓangaren tuƙi, yana cike da mai mai mai mai a cikin takalmin ƙura. Idan akwai lalacewa, zai kuma haifar da zubar da man shafawa. Sabili da haka, lokacin da aka maye gurbin takalmin ƙura, dole ne a ƙara shi da man shafawa. Bugu da kari, idan abin hawa yana tafiya na dogon lokaci, maikonsa zai lalace a zahiri. Bayan tsaftacewa sosai, ya kamata a sabunta man shafawansa kuma a gudanar da daidaitaccen kulawa akai-akai, don hana haɗari. Kayayyakin da ake buƙata don ƙwanƙwasa da maye sun haɗa da: (1) ƙura na ciki da na waje na rufewa a ɓangarorin biyu. Idan sun kasance tsufa na al'ada, suna buƙatar maye gurbin su a lokaci guda, musamman ma murfin ƙurar cage na waje wanda aka yi wa babban kusurwar tuƙi na dogon lokaci; (2) Babban goro na quincunx don gyara rabin shaft ɗin kayan haɗi ne mai yuwuwa, amma kuma yana iya samun hakora masu zamewa. A lokuta masu tsanani, yana iya haifar da hakora masu zamewa a bakin dunƙule bakin kejin ball na waje na rabin shaft, kuma kejin ƙwallon ƙwallon kuma zai buƙaci maye gurbinsa; (3) Man shafawa, nauyin kimanin 500g; (4) Cika shingen axle tare da maiko, kuma ba za a iya amfani da man shafawa na calcium ba a cikin wannan tsari; (5) Ƙauran takalmin ƙura; (6) A yayin aiwatar da rarrabuwa da haɗuwa, dole ne mu mai da hankali sosai don haɓaka amfani da kayan aikin abin hawa na asali, kuma kada mu lalata ɓarna. Ƙwararrun kulawar rabin shaft da ƙwarewar rarrabuwa kai tsaye suna ƙayyade zaren keji na waje don rarrabuwar goro, kuma suna da wani tasiri akan matakin riƙewar kwaya da kanta. Domin goro da aka dunƙule yana cikin madaidaicin zaren kejin ƙwallon ƙwallon, an hana a kwance shi da karfi. A lokaci guda, idan ba a yi la'akari da maye gurbin mai a cikin akwatin raƙuman ruwa ba, ana buƙatar riƙe hannun waje a cikin akwatin raƙuman ruwa ba tare da fitar da shi ba. Bayan an kwance faifan hannun riga na waje na kejin na ciki, ana iya buɗe kejin na ciki, kuma za a iya fitar da beads ɗin igiyar igiyar samsung da ke cikin kejin ciki da kuma takalmin ƙura na kejin ciki.