RCB 9D-9 Model "4GC"


	ROCHESTER CARBURETORS Bulletin 9D-9 January 1952
	Page 12 ROCHESTER PRODUCTS, DIVISION OF GENERAL MOTORS, ROCHESTER, NEW YORK

	MODEL 4GC CARBURETOR ASSEMBLY

	AIR HORN DISASSEMBLY
	1. Remove fuel strainer nut and fiber gasket with a 3/4" wrench. 2. Remove fuel inlet strainer with a pair of long nosed pliers. 3. Remove three retainer screws and retainers from stat cover. 4. Remove stat cover, gasket, and coil assembly. 5. Remove choke baffle plate. (Figure 7-8.) 6. Remove clips from each end of pump rod and remove pump rod. (Figure 7-9.) 7. . Remove pump lever attaching nut and lock washer. Then remove pump shaft and lever assembly. 8. Remove choke trip lever attaching screw.	9. Then remove choke trip lever, spacing washer, and choke lever and collar assembly from choke shaft. 10. Remove fast idle cam attaching screw. (Figure 7-10.) Then remove choke lever and collar assembly, choke rod, and fast idle cam as an assembly. 11. Remove two choke valve attaching screws. 12. Remove choke valve from slot in shaft. 13. Rotate choke shaft counterclockwise to free choke piston from housing. Then remove piston and choke shaft from air horn. Then remove piston and piston-pin from choke shaft.



	Figure 7-8	Figure 7-9



	Figure 7-10	Figure 7-11