press down the button again for about 10 seconds while the engine is running. If large
amount of air is mixed in the fuelpiping of 60USH when external fuel tank is connected,
the air may not be vented completely just by pressing the fuel priming pumpbutton.
In such a case, loosen the air vent pluglocated at the top of the fuel filter, and then
press the fuel priming pump button until the fuel is found coming out, paying attention
not to spill it After air vent is completed, securely fasten the plug.
With the 45USI-USI2, air vent can also be performed with
the priming pump located at the top of the fdter. If air
cannot be vented completely with this button, press the
priming pump several times. The 25USI*USI2 starts air
vent automatically when the key switch is set to ON.
fuel filter element,
gasket
If the engine still rotates unstably or still fails for starting, clean up the Fuel Filter
Element located into the Fuel Pump, or replace it to new one.
Parts number of fuel filter element located into the fuel pump :
Model name
Parts number
manufacture
Parts number of manufacture
DCA-25USI-USI2
06020 42425
ISUZU
894437-0220
DCA-45USTUSI2
06020 42425
ISUZU
894437-0220
DCA-60USH
06020 42442
HINO 23401-1750A
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