NANO

FUEL SYSTEM TABLE OF CONTENTS 1 INTRODUCTION ....................................................................................................................1 A. CNG LAYOUT (ON VEHICLE ) .................................................................................................... 2 2. CNG FUEL SYSTEM COMPONENTS ...........................................................................3 A. CNG CYLINDER................................................................................................................3 B. CYLINDER VALVE ............................................................................................................5 C. LOW PRESSURE CNG FILTER......................................................................................10 D. PRESSURE GAUGE .......................................................................................................13 E. PRESSURE REGULATOR..............................................................................................14 F. HIGH PRESSURE (H.P) SENSOR..................................................................................19 G. CNG RECEPTACLE VALVE ...........................................................................................21 3 . CNG TUBE FITTINGS / JOINTS TIGHTENING INSTRUCTIONS ......................................24 A. SWAGING PROCEDURE................................................................................................24 B. PROCEDURE FOR NPT THREAD ASSEMBLY .............................................................26 4. CNG LEAK DETECTION TESTING ....................................................................................28 5. TROUBLE SHOOTING ........................................................................................................29