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PETROL F U EL SYS TEM , . ... ,.. . ... . 0 0 13. Dismantle the cold start assembly but D O 14. If necessary, dismantle the throttle spindle lever N O T remove the discs from the spindle. assemblies from both carburctters. m m Slow-running adjustment screws D o not attempt to remove these screws or break the tamper-proof seals. See Cautionary note under ‘Tune Remove temperature compensator 15. Release the two screws and withdraw the temperature compensator unit complete. 16. Remove t h e large and small rubber washers. CLEANING AND INSPECTION 0 W Cleaning 17. When passages d o not metal tools (files, scrapers, drills etc.) which could dimensional changes i n t h e drillings or jets. Cleaning of all components should be effected using clean fuel and, where necessary, a ; 0 .- 0 VI Joint washers and seals 18. New gaskets and seals should be used throughout carburetter rebuild. A complete of gaskets is available for replacement purposes. Inspect metering needle; it is machined to very close limits and should be handled with care. 19. Examine the faces for scores which would lead to leakage taking place when assembled. Diaphragm 20. Examine the diaphragm for deterioration, damage and punctures. Do not use any cleaning chemicals on the diaphragm only clean lint free rag. 0 > m .- 3 3 Float assembly 21. Examine the two plastic floats and check 22. Check t h e spindle and retaining clips for wear. 23. Inspect the needle valve assembly for wear. Renew the valve if there is any tendency for the needle to punctures and damage. Cold start assembly 24. Examine all the cold start components for wear and corrosion and the machined faces for scores. . . continued 9 |