come nearer the boom than 40 cm (1 ft 4 in) or be provided with
a reliable stop that prevents this from happening.
15.2.7. Excavators that are used for lifting with lifting gear should be provided with a plate on the boom bearing a clearly
legible and durable text giving the maximum permissible load on
the lifting gear fitted.
15.2.8. The maximum load referred to in paragraph
15.2.7
should apply to the most unfavourable position as regards stability
in which the excavator can be used for lifting when it stands on a horizontal firm base.
15.2.9. Excavators that are equipped for use as mobile cranes should be inspected and tested as required for lifting appliances. Steam shovels
15.2.10. Official regulations concerning the construction, installation, operation, testing and examination of steam boilers
for steam shovels should be established.
15.2.11. In particular boilers should: