Main Body
Take out attaching screws and remove primary and secondary venturi clusters and gaskets (discard gaskets). Remove both primary metering jets and secondary metering jets from bowl. Remove power valve and gasket, remove pump return spring from pump cylinder. Remove "T" shaped pump discharge spring guide (use needle nose pliers), and spring, invert casting to drop out pump inlet and outlet check balls
CAUTION:
(Inlet ball is aluminum, outlet ball is steel and larger size - keep check balls separate for correct installation).
If necessary, remove retainer and pump inlet screen from bottom of bowl. Take out two self-tapping screws and remove hot idle compensator valve from secondary side
CAUTION:
(Use care not to bend or distort bi-metal strip).