Kubota EA330-E4 Series - FUEL SYSTEM

ENGINE
EA330-E4, WSM
1-M16
6. FUEL SYSTEM
[1] GENERAL
Fuel from the fuel tank (10) passes through the fuel filter (8), and then enters the injection pump (4) after impurities
such as dirt, water, etc. are removed.
The fuel pressurized by the injection pump to the opening pressure (13.73 to 14.70 MPa, 140.0 to 150.0 kgf/cm
2
,
1992 to 2133 psi), of the injection nozzle (2) is injected into the combustion chamber.
Part of the fuel fed to the injection nozzle (2) lubricates the moving parts of the plunger inside the nozzle, then
returns to the fuel tank through the fuel overflow pipe (1) from the upper part of the nozzle holder.
9Y1211018ENM0028US0
(1) Fuel Overflow Pipe
(2) Injection Nozzle
(3) Injection Pipe
(4) Injection Pump
(5) Air Vent Pipe 1
(6) Air Vent Pipe 2
(7) Fuel Pipe 2
(8) Fuel Filter
(9) Fuel Pipe 1
(10) Fuel Tank
KiSC issued 05, 2015 A