Yanmar — Drain the Fuel Tank and Replace Outlet Fuel Filter
Maintenance
From a Yanmar service manual covering: YDG2700, YDG2700EV-6EH, YDG2700EV-G6EH, YDG2700EV-GEH, YDG3700, YDG3700EV-6El, YDG3700EV-GEI, YDG5500, YDG5500EV-6El. Check it applies to your exact model before use.
Applies to: Yanmar YDG2700, Yanmar YDG2700EV-6EH, Yanmar YDG2700EV-G6EH, Yanmar YDG3700, Yanmar YDG5500, Yanmar L70V engine, Yanmar L100V engine, Yanmar L4sV L70V L100V engine
Before you start
- Diesel fuel is flammable and explosive under certain conditions. Wipe up all spills immediately.
Procedure
- Position an approved container under the fuel tank to collect the fuel.
- Remove the fuel cap.
- Remove the fuel tank drain plug and gasket to drain the fuel.
- Remove clamps and disconnect fuel supply and return lines.
- Remove the fuel tank mounting bolts and remove the fuel tank.
- Remove the three fuel filter nuts and pull the fuel filter out through bottom of the tank.
- Install a new filter into the tank using a new O-ring.
- Reinstall the three fuel filter nuts and tighten securely.
- Reinstall the drain plug and gasket.
- Reinstall the fuel tank and secure with mounting bolts.
- Reconnect the fuel supply and return lines.
- Fill the fuel tank with fuel and inspect for leaks.
Full service-parts list: Yanmar YDG2700EV-G6EH →
Source: Yanmar service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.