Sistimi ea ho tsamaea ea excavator e entsoe haholo ka foreimi ea pina, maeto a ho qetela a assy a nang le gearbox, sprocket, track roller, idler, kopano ea li-cylinder, carrier roller, kopano ea seeta sa pina, clamp ea terene joalo-joalo.
Ha moepolli a tsamaea, 'mele o mong le o mong oa lebili o bilika pel'a pina, koloi e tsamaeang e khanna sprocket,' me sprocket e fetola pinana ho lemoha ho tsamaea.