| 摘要 |
PURPOSE:To increase output power of an engine only when necessary, by increasing a speed of the engine at operative time of a turning control lever and a boom control lever in the captioned device used for an oil hydraulic work machine of hydraulic shovels or the like. CONSTITUTION:A signal generated in accordance with operation of a throttle lever 6, signal given from a maximum output speed setting means 7, signal given from a turning control level operating means 11, and a signal given from a boom control lever operation detecting means 12 are applied to a fuel injection pump controller 5. When a turning lever 8 is urged further a boom control lever 10 is urged in the direction of lifting a boom, speed of an engine is increased. In this way, the speed of the engine is increased only when a large engine output is requested. |
