According to ASME B30.26, where should multiple sling legs be attached when using a shackle?

When using a shackle to attach multiple sling legs, they should be attached to the bow of the shackle. The bow of the shackle is designed to accommodate multiple connections and allows for a stable loading of the shackle. This configuration helps ensure that the load is evenly distributed across the sling legs, thus reducing the risk of slippage or failure.

Attaching sling legs at the bow also provides the necessary angle of the sling, which is crucial for effective lifting operations, as it allows the load to be properly secured. The bow of the shackle has a larger radius and is engineered to bear the load effectively, providing the greatest safety margin during lifting tasks.

In contrast, connecting sling legs at the eye of the shackle is not as effective since it may not allow for a secure distribution of the load. Attaching at the side of the shackle or the pin can lead to improper load distribution, increased wear on the equipment, or even failure of the connection under heavy loads. Therefore, correctly understanding where to attach sling legs is vital for safety and operational integrity in rigging work.