Ibhlokhi yokuphakamisa umthwalo, crank i-lever-heavy duty de ube umthwalo wakho ufikelele kubude obufanelekileyo. Ukunciphisa umthwalo, i-lever ye-ratchet kufuneka itshintshelwe kwindawo esezantsi kwaye i-lever-duty lever ikhonkxiwe ukuthoba ikhonkco.