Fuel Line Changeover Valve (3-Way Valve) - Shindaiwa DGA12DM Owner's And Operator's Manual

5-4. Fuel Line Changeover Valve (3-way valve)

CAUTION : Fire

Always stop the engine when performing any work on the fuel line.

Always wipe any drip of Diesel fuel or engine oil. Do not use this equipment,
when a leak is found. Repair the equipment before use.

Be sure to confirm that there is no leakage in the piping.
By switching the 3-way valve, you can use fuel from external fuel tank.
In this case, the built-in tank fuel cannot be used.
(1) Using fuel from built-in fuel tank
The lever for 3-way valve is set to A when the equipment is shipped.
Outer fuel inlet and return are closed with plugs (PT1/2).
Use fuel as they are.
< Note >

After having used the outer fuel and removed piping, be sure to set the lever to A position and fix the
plugs.
(2) Using fuel from external fuel tank
Connect hoses from the external fuel tank to the external fuel intake and the external fuel return ports,
and set the lever for 3-way valve to B position.
You can now supply the fuel from the external gas tank.
For detailed instructions, refer to 『9-5.Connecting to External Fuel Tank』
A side Lever Position
B side Lever Position
13
External Fuel Inlet
External Fuel Return
3-way Valve
3-way Valve