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9-5. Connecting with External Fuel Tank
CAUTION : FIRE
Always make sure that the engine is stopped when working on piping.
Always be sure to wipe up any spilled fuel.
After working on the piping, check that there is no fuel leakage.
Turn the 3way fuel valve lever to the "A" side.
1
(Position for using the internal tank)
Remove the plugs(R1/2") from both the external fuel
2
inlet and the external fuel return.
Connect the hoses from an external fuel tank, as
shown below.
Turn the 3way fuel valve lever to the "B" side.
3
(Position for using the external tank)
Bleed air from the external tank connecting hose.
4
Fuel can be supplied from the external tank after
5
completing the above procedures.
< Note >
If using a hose for the piping, use oil-resistant hose with an internal
diameter of 8 to 9 mm.
Set the fuel level of the external fuel tank from 0 to 3 m from the
underside of this generator.
The fuel level of the external fuel tank being lower than
this generator will result in poor engine operation or stoppage.
Turn the 3way fuel valve lever to the "A" side in order to prevent fuel
from flowing out from the external tank fuel inlet/return.
Turn the lever completely as far as possible. If the lever is not
completely pressed to either side, it might not be possible to supply
fuel causing the engine to stop.
Set the supply side so that it is 15 to 20 mm. above the underside of
the tank in order to prevent foreign material or water from being
suctioned from inside the external fuel tank.
Set the external fuel tank return side at the same height as the
supply side in order to prevent poor engine operation due to air
mixed in with the fuel.
Refer to section "9-2 Procedures during Operation" for air
bleeding.
Some air may remain in hoses or pipes immediately
after connecting the external fuel tank resulting in
unstable engine speed and engine stoppage.
Do not leave the generator unattended for unmanned
operation until you have confirmed that the engine
speed is stable.
3Way Fuel
Valve
External Fuel
Inlet
Position A
Inlet
Side
Plug(R3/8 )
Inlet
Port
Position B
External Tank
15 20mm
External Fuel
Return
Return
Side
Return
Port
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