Nā mīkini kūkulu kaumahahoʻohana nui ʻia i nā mīkini mining, nā mīkini kūkulu, nā mīkini logistics a me nā mīkini ʻenekinia, e like memea ʻeli/mea hana ʻeli/mīkini hoʻopaʻa/mīkini wili kelepona/nā lako halihali/nā lako hoʻouka a pēlā aku.
Hui Mīkini Yijianghiki ke hana ʻia ke kaʻa kila kila no kēia mau mīkini. Loaʻa i ka kaʻa kila i hoʻopaʻa ʻia ka hana o ka hāpai ʻana a me ka hele ʻana, a ikaika kona hiki ke hāpai, a nui ka ikaika traction.
Eia ma lalo nā pōmaikaʻi o ka undercarriage tracked:
1. Ua lako ka undercarriage me ka mea hoʻemi huakaʻi motika wikiwiki haʻahaʻa a me ka torque kiʻekiʻe, nona ka hana hala kiʻekiʻe;
2. ʻO ke kiʻikuhi o lalo me ka ikaika kūkulu, ʻoʻoleʻa, me ka hoʻohana ʻana i ke kaʻina hana kulou;
3. Hana maikaʻi o nā lako, ka hoʻohana ʻana i ka hele wāwae ma ke ala, hiki ke hoʻokō i ka hoʻokele ʻana ma kahi a me nā hana ʻē aʻe;
4. ʻO nā wili ala a me nā mea hoʻopololei mua e hoʻohana ana i nā bearings pōpō hohonu, kahi i lubricated me ka pata i hoʻokahi manawa a manuahi mai ka mālama ʻana a me ka hoʻopiha hou ʻana i ka wā e hoʻohana ai;
5. Hana ʻia nā wili āpau i ke kila kila, e like me ke koi o ke kaʻina hana, a ma hope o ka mālama ʻana i ka quenching, maikaʻi ke kūpaʻa ʻana i ka ʻaʻahu, lōʻihi ke ola lawelawe;
6. ʻEhā mau wili he ʻākoakoa maikaʻi e hōʻoia i ka halihali ukana, ua hana ʻia ka ʻili o ka ʻākoakoa, ʻo ke koho ʻana o ka mea hoʻoluʻu e hōʻoia i ka ʻoi aku ma mua o nā koi ukana a ka mea kūʻai aku.
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