Throttle Body Cover (Model 220)

Place throttle body on Holding Fixture (J-9789-118 or BT 30-15) to prevent damage to throttle valve. Remove screws holding cover to throttle body, noting location of 2 short screws. Remove throttle body cover. See Figure . Throttle body cover and pressure regulator are serviced as an assembly. DO NOT  remove screws attaching pressure regulator to cover.