Nā ʻāpana Excavator JS30 Track roller

ʻO ke ala JS30wiliwilihe mea nui ia o ka ʻōnaehana chassis o ka excavator JS30. ʻO kāna hana nui, ʻo ia ke kākoʻo i ke kaumaha o ka excavator a puʻunaue like i ke kaumaha o ke kino mīkini ma ka papa track e hōʻoia i ka hana paʻa o ka excavator i ka wā o ka hana. Hoʻopaʻa ia i ka neʻe ʻana i ka ʻaoʻao o nā ala, pale i ka paheʻe ʻana o nā ala, a kōkua i nā ala e paheʻe mālie i ka honua ke huli ka mīkini. ʻO ka huila kākoʻo e hana pinepine ʻia me ke kino huila kila kila ikaika, axle, bearings a me nā sila a me nā mea ʻē aʻe, me ka paʻakikī kiʻekiʻe a me ke kūpaʻa abrasion, a hiki ke hoʻololi i nā kūlana hana paʻakikī o ka excavator. Nui nā hōʻailona ma ka mākeke e hāʻawi ana i nā huila counterweight no ka JS30.