CERTAIN MOBILE DRILL RIG CAB AND CHASSIS FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, 'AIR BRAKE SYSTEMS.' ON CERTAIN VEHICLES BUILT WITH 4 AND 5 AXLE CONFIGURATION WITH GROSS VEHICLE WEIGHT RATINGS OF 80,000 TO 120,000 POUNDS, DURING TESTING THE AIR BRAKE SYSTEM THAT RELATES TO APPLICATION TIMING, RELEASE TIMING AND RESERVOIR VOLUME DID NOT PASS THE TEST RESULTS.
RiskTHE VEHICLE COULD EXPERIENCE REDUCED BRAKING PERFORMANCE AS A RESULT. IF THIS WARNING IS NOT HEEDED, A VEHICLE CRASH COULD OCCUR.
FixSELECT FITTINGS, HOSES AND ONE RESERVOIR IN THE AIR BRAKE SYSTEM WILL BE REPLACED. CRANE CARRIER WILL SUPPLY ALL NECESSARY PARTS AND INSTALLATION INSTRUCTIONS AND WILL REIMBURSE THE REPAIRING FACILITY. THE RECALL BEGAN ON MAY 26, 2005. OWNERS MAY CONTACT CRANE AT 918-832-7305.