Float Bowl

Remove air horn gasket. Lift up on float hinge pin to remove float assembly from bowl. Remove hinge pin from float arm. Withdraw float needle from seat.
Remove accelerator pump lever retaining screw. Hold pump rod and power piston assembly down. Disconnect link from power piston rod. Disconnect pump link from pump rod.
Remove accelerator pump rod, pump assembly and return spring. Remove pump rod seal.
Remove power piston assembly, power piston rod, metering rod and spring assembly, and power piston spring. Separate metering rod and spring assembly from power piston metering rod hanger.
Use needle nose pliers to remove "T" guide and pump discharge spring. Turn bowl over and remove pump discharge ball and idle tube. Remove main metering jets from bottom of fuel bowl.
Remove float needle seat and gasket. Remove fuel inlet nut, filter and spring. No further disassembly is required.

Fig 1: Exploded View of Rochester 1MEF Single Barrel Carburetor

Courtesy of GENERAL MOTORS CORP.