Technician Safety Information

WARNING:
- DO NOT MODIFY THE SYSTEM CONFIGURATION OR COMPONENTS OR REPLACE COMPONENTS WITH PARTS NOT SPECIALLY DESIGNED FOR USE WITH NATURAL GAS. FORD MOTOR COMPANY HAS SPECIALLY DESIGNED THE MATERIALS, COMPONENTS AND SYSTEM CONFIGURATION FOR THE 5.4L ECONOLINE NATURAL GAS VEHICLE, AND EACH PARTICULAR SYSTEM IS PRECISELY CALIBRATED FOR EFFICIENT OPERATION. THE USE OF DIFFERENT PARTS OR MATERIALS CAN PRODUCE AN UNTESTED CONFIGURATION THAT CAN RESULT IN FIRE OR PERSONAL INJURY OR CAUSE ENGINE DAMAGE.
- IT IS IMPORTANT THAT YOUR NATURAL GAS VEHICLE BE PROPERLY MAINTAINED BY FORD NATURAL GAS TRAINED PERSONNEL. IF A CONCERN OCCURS, IT IS IMPORTANT THAT PROPERLY TRAINED PERSONNEL DIAGNOSE THE CAUSE. IF THE CONCERN RELATES TO THE FUEL SYSTEM, PROPER PART REPLACEMENT IS IMPERATIVE TO KEEP YOUR VEHICLE OPERATING AT NORMAL PERFORMANCE. NATURAL GAS COMPONENTS AND GASOLINE FUEL COMPONENTS ARE NOT INTERCHANGEABLE. IF YOUR VEHICLE IS NOT SERVICED IN ACCORDANCE WITH NATURAL GAS-FUELED VEHICLE PROCEDURES, DAMAGE CAN OCCUR AND YOUR WARRANTY MAY BE INVALIDATED.
- FUEL SUPPLY LINES ARE ALWAYS PRESSURIZED. WHEN SERVICING FUEL-RELATED COMPONENTS, DO NOT SMOKE OR CARRY LIGHTED TOBACCO OR AN OPEN FLAME OF ANY TYPE. FLAMMABLE MIXTURES MAY BE PRESENT AND CAN IGNITE, RESULTING IN PERSONAL INJURY.
- THE FUEL SYSTEM IS ALWAYS PRESSURIZED TO 655 KPA (95 PSI) DOWNSTREAM OF THE FUEL PRESSURE REGULATOR AND UP TO 20,700 KPA (3000 PSI) UPSTREAM OF THE FUEL PRESSURE REGULATOR. USE CARE WHEN SERVICING THE FUEL SYSTEM OR PERSONAL INJURY CAN OCCUR.
- THE FUEL CHARGING SYSTEM ON NATURAL GAS VEHICLES IS PRESSURIZED TO 655 KPA (95 PSI). FUEL PRESSURE MUST BE RELIEVED PRIOR TO ANY FUEL SYSTEM SERVICE.
- THE FUEL SUPPLY LINES WILL REMAIN PRESSURIZED AFTER ENGINE SHUTDOWN. WHEN SERVICING FUEL-RELATED COMPONENTS, DO NOT SMOKE OR CARRY LIGHTED TOBACCO OR ANY OPEN FLAME OF ANY TYPE. FLAMMABLE GASES MAY BE PRESENT AND IGNITE, RESULTING IN POSSIBLE PERSONAL INJURY.
- DO NOT MODIFY THE SYSTEM CONFIGURATION OR COMPONENTS, OR REPLACE COMPONENTS WITH PARTS NOT SPECIALLY DESIGNED FOR USE WITH NATURAL GAS. FORD MOTOR COMPANY HAS SPECIALLY DESIGNED THE MATERIALS, COMPONENTS AND SYSTEM CONFIGURATION FOR THE 5.4L ECONOLINE NATURAL GAS VEHICLES, AND EACH PARTICULAR SYSTEM IS PRECISELY CALIBRATED FOR EFFICIENT OPERATION. THE USE OF DIFFERENT PARTS OR MATERIALS CAN PRODUCE AN UNTESTED CONFIGURATION THAT COULD RESULT IN FIRE OR PERSONAL INJURY, OR CAUSE ENGINE DAMAGE.
- FUEL LINE VENTING IS REQUIRED PRIOR TO FUEL SYSTEM COMPONENT SERVICE.
- EYE AND EAR PROTECTION ARE REQUIRED TO BE WORN DURING VENTING OR REMOVAL AND INSTALLATION OF FUEL SYSTEM COMPONENTS.
- THE STATUS (STUCK OPEN, STUCK CLOSED, DOES NOT OPERATE OR GOOD) OF EACH FUEL TANK SOLENOID VALVE MUST BE IDENTIFIED PRIOR TO VENTING THE FUEL TANKS.
- MAKE SURE THAT THE JACKSCREW IN THE MANUAL OVERRIDE TOOL IS RETRACTED FULLY (COUNTERCLOCKWISE) PRIOR TO INSTALLATION INTO THE FUEL TANK SOLENOID VALVE. INSTALLATION OF THE OVERRIDE TOOL IN THE VENTING POSITION WILL CAUSE NATURAL GAS TO BE IMMEDIATELY RELEASED.