Patent ID: 11873046
Assignee: ZOOMLION HEAVY INDUSTRY NA, INC.
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 10:
11. An electrical method for centering telehandler rear wheels, the telehandler including a front steering cylinder, a rear steering cylinder and a steering control unit, the steering control unit is connected to a hydraulic pump, comprising the steps of:
providing a steer mode valve having a 4W crab position, a 4W circle position, a 2W position and an intermediate position;
connecting said front steering rear cylinder and said rear steering cylinder to said steer mode valve;
providing an electronic control module that receives input from said at least one rear wheel sensor;
shifting said steer mode valve from either said 4W crab position or said 4W circle position into said intermediate position with said electronic control module;
detecting an angular position of the rear wheels connected to the rear steering cylinder with at least one steering position sensor;
straightening the rear wheels by supplying hydraulic fluid to the rear steering cylinder; and
shifting said steer mode valve to said 2W position with said electronic control module.