Tighten all nuts and bolts if disc harrow is new after first two-hour initial working. After every 50 hours of use, grease all greasing points and tighten all nuts and bolts
Mangitsani zomangira zonse ngati khasu ndilatsopano pakutha pa maola awiri likugwira ntchito. Pakutha pa maola 50 aliwonse likugwira ntchito, pakani mafuta mmalo onse oyenera kupaka mafuta ndikumangitsa zomangira zonse