SAFARI

16 4 PL FUEL SYSTEM EVAPORATIVE EMISSION CONTROL SYSTEM: The car is fitted with an evaporative system to meet all requirements of evaporative emission. The system is designed to prevent fuel vapours formed within the tank and fuel system from escaping into the atmosphere.Theevaporativeemission systemconsists of : a) Restrictor b) Vapour Separator c) Tank pressure valve d) Carbon canister e) Canister Purge valve a) Restrictor : Fig. 18 The restrictor is welded on top portion of the fuel tank assy. The restrictor allows the flow of gasoline vapours only and not liquid fuel in both directions. b) Vapour Separator : Fig. 19 Theseparator ismadeof highgradeof polypropylene and is mounted near to the filler neck area on the rearwheel arch. Avapour liquidseparator allowsonly liquid free vapour to pass from fuel tank restrictor to the carbon canister through tank pressure valve.The vapours getting condensed / liquid fuel goes to the filler neck. Removal : 1.Toavoiddamage to the vapour hoseswhiledisconnect- ing slideback the clamps and pull the hoses. 2.Remove quick connector’s joints carefully. 3. Loosen vapour separatormounting screws. Inspection : Check for crack or deformation of vapour separator. Replace if necessary. Assembly : 1. Vapour hoses connections varies for each type of hose. Necessary care to be taken to connect and clamp each hose correctly. Use suitable tool for fitment of clamp. 2. Do not kink or twist hose when they are routed. 3. For hoseconnection tovapour separator followsche- matic circuit figure. 4. The middle port to be connected to the restriction on fuel tank. 5. The port on top (port of float valve) to be connected tounderbodyvapour linesgoingtotankpressurevalve. 6. The bottomport tobe connected to fuel filler neck tube. Fig. Fuel Tank Restricter Tank Fig. 20 Fig. 19 18 To Canister To Tank Drain To Tank Restricter