HITACHI 4-Barrel: Overhaul: Inspection
- Wash all parts in clean solvent, blow fuel passages with compressed air and remove dirt. Never use wire for cleaning jets. Inspect air horn, main body and throttle body for cracks or breakage.
- Inspect choke shaft and throttle shaft for wear, linkage and connecting rods for bends, and return springs for damage. Inspect float, needle valve and seat and strainer for damage. Check air vent solenoid valve for proper operation.