Regularly Check The Condition Of Drop-out Fuses.

Regularly check the condition of drop out fuse unit to promptly detect any abnormalities in mechanical or electrical components.

Each inspection should include checking the tightness of the upper and lower connecting leads of drop out type fuse. Observe for signs of overheating or abnormal heating. Visually inspect the hook and limit device of dropout fuse of transformer to confirm for rust, deformation, or looseness. Inspect the contact components and insulators for signs of dust accumulation, corrosion, or damage.

In addition, observe the mechanical rotating parts of expulsion drop out fuse for smooth operation and the integrity of springs, hinges, and other structures. If any irregular rotation, looseness, or rust is found, record it and arrange for repair. Observe the alignment of the fuse tube and its base to confirm that the fuse tube has not been misaligned due to improper transportation or installation.