Bleed Air From Fuel Filter

Down on the farm mark shows you the fastest way he knows of to bleed a diesel fuel system after it has been run out of fuel no tools all you need is a.

Bleed air from fuel filter.

The filter can be found by tracing the fuel lines back to where they reach the engine filter. When you change the fuel filter or run out of fuel in a diesel vehicle you must bleed the air bubbles out of the fuel system and then prime it to get a new supply of fuel circulating. Here are the steps to take in bleeding air from a diesel fuel system. Others have filters with replaceable cartridges.

When you change a diesel fuel filter run out of fuel or disturb the fuel system air is trapped. Step 1 twist the valve on the fuel petcock located at the bottom of the fuel tank in a clockwise direction to shut off the fuel supply to the engine. Whenever the fuel system has been opened up for service lines disconnected or filters removed it will be necessary to bleed air from the system. Escaping fuel air mixture operate the hand primer lever until you have air free fuel coming from the bleed screw s then close the air vent fittings.

Clean outside of filter housing. On dual fuel filter system bleed air only from final filter. Engines with mechanical and de10 fuel systems. In cases where a fuel injection pump is involved follow the fuel lines until you arrive at the pump.

There s one catch to changing the fuel filter however. A majority of diesel fuel injectors and filters have a screw specifically designed to bleed the fuel lines. Fuel pump primer lever. When you try to start the engine this air acts as a lock preventing the normal supply of fuel into the cylinder.

You should hear the escaping air as you operate the hand primer lever eventually each stroke of the lift pump primer lever should deliver a clean air free shot of fuel. Fuel filter bleed screw.