TEREX IS RECALLING 4,060 TC, TCX, XM, RM, RMX, OM, TM, HA, 6-SERIES, AND FC SERIES AERIAL DEVICES EQUIPPED WITH HYDRAULIC ROTARY SELECTOR VALVES, P/NOS 68698, 459713, 463130, 476618, AND 9118243, MANUFACTURED BETWEEN JANUARY 1996 AND JANUARY 1, 2008. THE VALVE IS USED ON CLOSED CENTER, HYDRAULIC SYSTEM, AERIAL DEVICES. FAILURE CAN OCCUR WHEN THE VEHICLE IS PARKED AND THE AERIAL DEVICE IS OPERATING. THE AERIAL DEVICES ARE INSTALLED ON TRUCKS TO TRANSPORT THE AERIAL DEVICE TO THE WORK SITE TO FACILITATE WORKING ON ELECTRICAL POWER LINES AND COMMUNICATION LINES.