Zigawo za Excavator JS30 Track roller
Chithunzi cha JS30wodzigudubuzandi gawo lofunikira la makina a chassis a JS30 excavator. Ntchito yake yayikulu ndikuthandizira kulemera kwa chofukula ndikugawa mofanana kulemera kwa thupi la makina pa njanji mbale kuti zitsimikizire kugwira ntchito mokhazikika kwa chofufutira panthawi ya ntchito. Imalepheretsa kusuntha kwa mayendedwe a njanji, imalepheretsa njanji kuti zisasunthike, ndipo zimathandiza kuti njanji ziziyenda bwino pansi pamene makina akutembenuka. Gudumu lothandizira nthawi zambiri limapangidwa ndi gudumu lachitsulo champhamvu kwambiri, chitsulo, zitsulo ndi zisindikizo ndi zigawo zina, zokhala ndi kuuma kwakukulu ndi kukana kwa abrasion, ndipo zimatha kugwirizanitsa ndi zovuta zogwirira ntchito zofukula. Pali mitundu ingapo pamsika yomwe imapereka mawilo olemera a JS30.