Hiki i kā mākou hale hana ke hana i kahi ākea o ka loulou track e pili ana i ka pitch mai 90mm a 226mm, kūpono lākou no nā ʻano mīkini kolo o ka excavator, bulldozer, nā mīkini mahiʻai a me nā mīkini kūikawā.
ʻO nā kaulahao ala maloʻo, nā kaulahao excavator i hoʻopaʻa ʻia a greased, nā kaulahao lubricated no nā noi hana kiʻekiʻe.
Ua hana ʻia ka loulou track i ka mālama paʻakikī medium-frequency, e hōʻoiaʻiʻo ana i kona ikaika kiʻekiʻe a me ke kūpaʻa abrasion.
Hana ʻia ka pine i ka hoʻomaʻamaʻa ʻana a me ka mālama ʻana i ka hoʻopaʻa ʻana i ka ʻili, kahi e hōʻoia ai i ka paʻakikī o ke kumu a me ka pale ʻana o nā sunaces waho.
Hoʻohana ʻia ka lāʻau i ka carbonization a me ka mālama ʻana i ka hoʻopaʻa ʻana i ka medium-frequency quenching, kahi e hōʻoia ai i ka paʻakikī kūpono o ke kumu a me ka pale ʻana o ka ʻili o loko a me waho.