Page 27 - Propane Vehicle Essentials and Safety Practices
P. 27

Overfill Protection Device
                             (OPD)
                                                • Allows propane to enter the
                                                  fuel tank
                                                                                                            Lesson 3.6
                                                • Contains a double check valve
                                                                                                   Fixed Liquid Level Gauge
                                                • Designed to allow 80 percent
                                                  liquid fill






                 17                                                                18








                                   Fixed Liquid Level Gauge


                              CAUTION: this valve vents propane vapors when opened

                                             • Mechanical bleeder                                           Lesson 3.7
                                             • Utilized to verify 80% fill                            Liquid Supply Valve
                                             • Not needed during fueling
                                              process





                 19                                                                20




                                                                                                                                                       5
   22   23   24   25   26   27   28   29   30   31   32