SOME TEMPERATURE SENSITIVE TRIGGERS WERE NOT X-RAYED. THESE TRIGGERS COULD CONTAIN INTERNAL VOIDS THAT WOULD MAKE THE TRIGGERS SUSCEPTIBLE TO ADVANCED CREEP CAUSING FALSE ACTIVATION AND VENTING OF THE CNG.
VENTING OF THE CNG COULD RESULT IN A FIRE.
NEOPLAN WILL REPLACE THE PRD WITH THE NEWER DESIGN "GENERATION 2.5" PRESSURE RELIEF DEVICE.