both of the fixed bolt and coherent key groove must be checked regular

　　Professional famous brands komatsu bucket teeth pins production supplier said consumers also needs maintain a good habit to right maintain and check the actual abrasion state for both fixed bolt and coherent key groove timely too, such as the cam shaft axle key groove, connection axle key groove, the half round key groove and the connection axle fixed bolt, professional famous brands komatsu bucket teeth pins production supplier said all of them must be maintained with the regular period.

　　Especially of these coherent key groove and fixed bolt must be continue applied for a long time, so professional famous brands komatsu bucket teeth pins production supplier said most of them would easily has the abrasion damage, such as the width of the key groove would become larger than before, the half round key groove can’t be good fixed as before and the original fuel supply advance angle is changed at the same time. Professional famous brands komatsu bucket teeth pins production supplier said the most serious phenomenon is the key groove would be roll down and lead to lose efficiency driven force transmission motion.