RAM TRUCK 2500 2017 Owner's Manual Supplement page 24

22 MAINTAINING YOUR VEHICLE
MAINTENANCE PROCEDURES
Container Pressure, Inspection, And Testing
Pressure
The vehicle Service Pressure: 24,821 kPa (3,600 psig).
WARNING!
• Do not attempt to force open or tamper with the fuel
fill receptacle. A sudden release of natural gas may
occur, possibly causing injury.
• Your vehicle fuel system has a maximum capacity of
3600 pounds per square inch gauge (24.8 MPa) com-
pensated to a temperature of 70°F (21°C). Exceeding
the fuel system capacity may result in fuel system
damage and possibly cause injury.
• Your vehicle should not be fueled if damage to the
container has occurred. The damaged container
should be retested and inspected as per the Mainte-
nance section prior to be being placed back into
service.
See instructions on fuel container for inspection and service
life.
Inspection
It is recommended that the fuel system components be
inspected periodically for leaks and/or excessive wear.
Container Retest Requirements (United States)
Each CNG fuel container must be visually inspected after a
motor vehicle accident or fire and at least every 36 months
or 36,000 miles, whichever comes first, for damage and
deterioration, in accordance with the Federal Motor Vehicle
Safety Standard number 304 compressed natural gas fuel
containers.
The inspection shall be performed only by a qualified
person in accordance with the container manufacturers
established re-inspection criteria and the appropriate Com-
pressed Gas Association, Inc. guideline. Retest dates must
be marked on a label securely affixed to the container and
over-coated with epoxy near the original test date. Reheat
treatment or repair of rejected containers is not authorized.