ON CERTAIN DRILL RIGS AND WELL SERVICE RIGS EQUIPPED WITH BENDIX ANTILOCK BRAKE SYSTEM (ABS), THE AIR BRAKE VALVING INSTALLED ON THE DRIVE AXLES OF CERTAIN TRI-DRIVE AXLE IS INADEQUATE AND IT DOES NOT HAVE THE CORRECT AIR VALVE CONFIGURATION FOR THE RAPID RELEASE AND REAPPLICATION OF AIR NECESSARY FOR THE ABS TO FUNCTION.
RiskREDUCED BRAKING PERFORMANCE COULD INCREASE THE RISK OF A VEHICLE CRASH.
FixDEALERS WILL INSTALL TWO RELAY AIR VALVES SO THAT THE VALVES WILL FACILITATE THE RAPID EXHAUST OF AIR REQUIRED FOR THE ABS SYSTEM TO FUNCTION OPTIMALLY FREE OF CHARGE. THE RECALL BEGAN ON FEBRUARY 11, 2005. OWNERS MAY CONTACT CRANE CARRIER AT 918-832-7305.