What do you check when making a visual check on coupling?

When performing a visual check on coupling, inspect for any signs of wear, damage, or misalignment between the coupling components. Look for cracks, corrosion, or excessive play that could indicate potential failure. Ensure that all fasteners are properly secured and that there are no leaks or unusual vibrations present during operation. Additionally, verify that the coupling is correctly aligned with the connected shafts to prevent undue stress.