7.2.5.2 Overhaul Ball Assembly
The overhaul ball assembly is the single part auxiliary hoist system hook and weight assembly used in lifting.
The weight of the overhaul ball assembly shall be sufficient for the boom length to prevent slack wire rope when the
auxiliary hoist drum is unwinding at maximum speed.
Cast iron material may be employed to add weight to overhaul balls. The overhaul ball assembly shall meet the
material requirements of 11.1.7.
7.2.5.3 Load Block
Loads on this component are the maximum onboard and offboard SWL.
The rating label(s) shall contain the load block maximum rated load, service temperature and assembly weight. The
label shall be permanently affixed to the hook block and overhaul ball.
7.2.5.4 Load Hook
The load hook is a fitting incorporated in the hook block and overhaul ball to facilitate connection of the load to the