This document specifies requirements for indicator lights to show the status of freight-container-handling spreaders and grappler arms.
It is applicable to:
a) container-handling spreaders with twistlocks for handling unladen and/or laden freight containers,
b) grappler (bottom lift) arms for handling semi-trailers and swap bodies,
when fitted to:
— counterbalance lift trucks, with masts, as defined in ISO 5053-1:2015, 3.3,
— rough terrain trucks, with masts, as defined in ISO 5053-1:2015, 3.7,
— non-stacking low-lift straddle carriers, as defined in ISO 5053-1:2015, 3.18,
— stacking high-lift straddle carriers, as defined in ISO 5053-1:2015, 3.19,
— variable-reach trucks, as defined in ISO 5053-1:2015, 3.20,
— rough-terrain variable-reach trucks, as defined in ISO 5053-1:2015, 3.21,
— variable-reach container handlers, "reach stackers", as defined in ISO 5053-1:2015, 3.23,
— counterbalance container handlers, as defined in ISO 5053-1:2015, 3.24.