ASME B30.26: Shackles used in material handling shall be inspected how often?

• A. Monthly
• B. Weekly
• C. Each day prior to use
• D. Quarterly

Answer: (C)

Shackles are critical parts of the lifting system, so they must be checked before every use because damage can develop during service that isn’t obvious until a load is applied. A daily pre-use inspection should look for deformation or cracks in the bow or eye, bending or elongation, damaged or missing pins or cotter pins, cross-threaded or damaged pins, wear around the pin hole, and any corrosion or heat damage. If any defect is found, remove it from service until it’s repaired or replaced by a qualified person. While more thorough periodic inspections by a competent person are also required at defined intervals, the daily pre-use check is essential for safety.