Patent ID: 6030169
Filing Date: 2000-02-29
Classification: B60K,E02F

Abstract:
A power machine having a frame with an operator compartment, an engine, traction members for driving the machine, and a plurality of power actuators, and further comprising:an electrical power circuit;a hydraulic power circuit coupled to the plurality of power actuators through a plurality of actuator valves;a first ignition switch in the operator compartment operably coupled to the engine;an attachment having an attachment actuator coupled to the hydraulic power circuit to receive hydraulic fluid under pressure;a first hydraulic control input mechanism disposed within the operator compartment and coupled to the hydraulic power circuit to control provision of hydraulic fluid to the attachment; andan attachment control device disposed outside the operator compartment and including a second ignition switch operably coupled to the engine and a second hydraulic control input coupled to the hydraulic power circuit to control provision of hydraulic fluid to the attachment;wherein the attachment control device is configured such that the second hydraulic control input is non-functional when the engine is started with the first ignition switch.