Float Bowl Disassembly

Remove air horn gasket by lifting out of dowel locating pins and lifting tab of gasket from beneath power piston hanger, being careful not to distort springs holding main metering rods.
Remove pump plunger and return spring from pump well. Remove power piston and metering rods by depressing piston stem and allowing it to snap free. Repeat until piston force dislodges retainer. Remove power Piston spring from well.
CAUTION: Do not use pliers on metering rod hanger to remove power piston.
Remove metering rods from power piston by disconnecting tension spring from top of each rod and rotating out of hanger.
Remove plastic filler block located over float valve. Remove float assembly and fuel inlet needle by pulling up on retaining pin. Remove inlet seat and gasket. Remove aneroid cavity from float bowl if equipped.
NOTE: The APT metering rod adjustment screw is preset at the factory, and no attempt should be made to alter its setting. If a new float bowl is required, it will contain a preset APT metering screw.
Remove primary main metering jets. Remove pump discharge check ball retainer and check ball. Remove rear vacuum break attaching screws and rotate vacuum break assembly to remove vacuum break rod from slot in plunger head.
Align a 0.159" (No. 21) drill on choke cover retaining rivet and drill only enough to remove rivet head. Repeat for remaining 2 rivets. Remove choke cover and coil assembly. Remove choke housing retaining screw located inside choke housing. Slide complete choke assembly from float bowl.
Remove fuel inlet nut, gasket and filter. Remove throttle body-to-float bowl attaching screws and throttle body. Remove secondary throttle valve lockout lever from float bowl and lower choke lever from inside float bowl cavity (invert bowl to remove). Remove plastic tube seal from choke housing.