This International Standard specifies requirements for indicator lights to show the status of freight-container-handling spreaders and grappler arms.
This International Standard 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
- counterbalanced lift trucks, with masts, as defined in 3.1.3.1.1 of ISO 5053:1987,
- single side-loading trucks as defined in 3.1.3.1.7 of ISO 5053:1987,
- rough terrain trucks, with masts, as defined in 3.1.3.1.8 of ISO 5053:1987, or
- variable-reach trucks.