Automatic warning for agricultural machinery - pilot control consists of selenoid valve, two-way valve and lifting cylinder

摘要

The warning-signal especially for a combine harvester, supervises the separate functions of the machinery. The pilot control consists of a lifting cylinder mounted between the machine-housing and an engaging lever on the drive-regulating lever, and loaded by means of a two-way valve and a solenoid valve. A control light is operated by a switch situated in the breakdown part of the machine. A signalling horn is switched on by means of a silicon diode. Simultaneously, a solenoid valve and lifting cylinder are operated to bring the drive regulator lever to a stop position. The pilot control consists of a direct current lifting magnet and associated circuit.