FIELD: construction.
SUBSTANCE: spraying unit for road-building machine, including reservoir for liquid, contains several nozzles, each of which includes direct action valve. Spraying unit also includes controller functionally connected to each of direct action valves, designed to control opening and closing of direct action valves, and switch functionally connected to controller.
EFFECT: switch can be actuated by operator of road-building machine for selective control of operation of one or several valves of direct action in order to create required spraying of liquid supplied from reservoir for liquid.
16 cl, 10 dwg
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