Our F-86F-35 has two hydraulic systems, normal and alternative, to power the ailerons and controllable horizontally tail.
Flight Control Normal Hydraulic System
Flight Control Alternate Hydraulic System (Backup System)
When the normal system pressure falls below 650 psi an automatic electric switch that allows you to transfer control to the alternative system, a warning light will indicate that happened occurs, (Alternate On Warning Light).
If automatic transfer fails, you should perform manually(Flight Control Switch). While, the alternative hydraulic pump is connected