19 18 17 201901 s 21 23 y t 22 1 s i 24 y V W 6 8 1 2 s 4 5 7 C XZW Fig 8 Carburetor Bad 1 Pump Lever 8 Idle Mixture Adjusting Retaining Screw Screw Spring 2 Accelerator Actuating 9 Curb Idle Adjusting Pump Lever Screw Spring 3 Pump Rod 10 Idle Mixture 4 Clip Adjusting Screw 5 Float Bowl 11 Curb Idle 6 Diaphragm Hose Adjusting Screw 7 Accelerator Pump RetuM Spring 12 Fast Idle Cam Make sure all jets and passages are clean Do not use wires or drills for cleaning fuel passages or air bleeds 3 Check all parts for wear If wear is noted defective parts must be replaced NOTE ESPECIALLY THE FOLLOWING A Check float needle and seat for wear If wear is noted the assembly must be replaced B Check float hinge pin for wear and float for dents or distortion Check floats for fuel leaks by shaking 15 14 16 13 12 11 10 8 i Exploded View 13 Throttle Valve 19 Venturi Cluster Lever and Shaft Gasket 14 Throttle Valve 20 Main Well Insert Retaining Screws 21 Main Metering Jet 15 Throttle Valve 22 Power Enrichment 16 Fast Idle Cam Needle Mounting Screw 23 Vapor Vent 17 Venturi Cluster Retaining Screw 18 Pump Discharge Needle 24 Vapor Vent Valve C Check throttle shaft for wear and out of round in the throttle body section of the bowl casting D hlspect idle adjusting needles for burrs or grooves and misalignment Such a condition requires replacement E Aspect pump plunger rubber replace pump if damaged or worn F Iaspect pump well in fuel bowl for wear or being scored G Check that main well nozzle and idle tube is not bent Should be exactly 90 from cluster