Putzmeister BSA 1409 D4, Руководство по эксплуатации

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Safetyregulations
238
BP03_082_1901EN
The end hose must hang freely each time you start pumping, when
you start pumping again after blockages, and during washing out
procedures. Noone should stand within the danger zone of the end
hose. The diameter of the danger zone is twice the end hose
length. Do not guide the end hose when pumping is started. There
is a risk of accident from the end hose swinging out or stones being
ejected.
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If a longer end hose is used, the diameter of the danger zone is
also increased (see also page213).
End hoses with a length of more than 4m must not be guided by
hand.
The end hose must not impede the movement of the placing boom;
in particular, the end hose must not catch on the reinforcement or
formwork. There is a risk of death if the machine topples over or the
end hose shoots out on further movement of the placing boom.
2.12.2 End hose