Working vehicle and method for controlling the working vehicle

A control method for controlling a working vehicle having a hydraulic actuator, an operating member configured to operate the hydraulic actuator, a pilot valve configured to output pilot pressure in conformance with operation of the operating member, an actuator control valve configured to control the hydraulic actuator in conformance with the pilot pressure output from the pilot valve, a lock member configured to be switched between a lock position and a release position, an operation console configured to move together with the lock member, the operation console supporting the operating member and the lock member, and a lock valve configured to be switched between a release condition in which supply of pilot pressure to the actuator control valve is allowed, and a lock condition in which supply of pilot pressure to the actuator control valve is shut off, the control method comprising:

• switching the lock valve from the lock condition to the release condition when the lock member switches from the lock position to the release position;
• detecting an elapsed time from when the lock member switches from the lock position to the release position until the pilot pressure rises to a predetermined pressure;
• determining whether or not the elapsed time is greater than or equal to a first predetermined time;
• determining whether or not a continuous time duration during which the pilot pressure is greater than or equal to the predetermined pressure is less than or equal to a second predetermined time;
• maintaining the lock valve in the release condition when the elapsed time is greater than or equal to the first predetermined time;
• switching the lock valve to the lock condition when the elapsed time is less than the first predetermined time, and the continuous time duration is greater than the second predetermined time;
• and
• maintaining the lock valve in the release condition when the elapsed time is less than the first predetermined time, and the continuous time duration is less than or equal to the second predetermined time.

A control method for controlling a working vehicle, comprising:

• switching a lock valve from a lock condition prohibiting operation of a hydraulic actuator to a release condition allowing operation of the hydraulic actuator when a lock member is switched from a lock position to a release position together with an operation console supporting the lock member and a operating member configured to operate the hydraulic actuator;
• switching the lock valve to the lock condition in a case that
• pilot pressure in conformance with operation of the operating member rises up to a predetermined pressure within a first predetermined time from a point in time at which the lock member switches from the lock position to the release position, and
• the pilot pressure is maintained greater than or equal to the predetermined pressure for a time longer than a second predetermined time;
• and
• maintaining the lock valve in the release condition in a case that
• the pilot pressure rises up to the predetermined pressure within the first predetermined time from the point in time at which the lock member switches from the lock position to the release position, and
• a continuous time duration for which the pilot pressure is maintained greater than or equal to the predetermined pressure is less than or equal to the second predetermined time.