HITACHI DCG 306, DCH 306, DCJ 306 & DCP 306 2 Barrel: Overhaul: Disassembly
- Main jets and needle valves on both primary and secondary sides are accessible from outside carburetor. Remove for service as necessary.
- Remove throttle return spring, accelerator pump lever and connecting rod. Remove spring hanger and choke linkage (if equipped) and remove choke housing. Remove carburetor main body cover using care not to damage float.
- Remove accelerator piston, return spring and check ball. Remove float, needle valve and filter. Remove air bleeds and emulsion tubes. Remove slow jets and power valve. Remove drain plugs and main jets. Remove servo diaphragm by-pass jet and air bleed.
- Remove throttle body from main body with (3) set screws. Do not remove anti-dieseling solenoid except to replace. Throttle body should not be disassembled unless a throttle valve or rod is being replaced.