Retreat rise control control equipment null of job

摘要

PURPOSE:To prevent damage of machine by making a working machine connected to a tractor not rise rapidly when a machine body is backed. CONSTITUTION:A tractor is equipped with a control device of backing and rising of working machine constituted in such a way that when the tractor is operated backward, a working machine connected to the tractor rises and the control device is actuated if, after action of application to an electric source, a set value by a rising position setting device is coincident with a value of a ground height detector attached to a lift arm.