Operation Manual
BX25,
RCK54(P)-23BX.
RCK60B-23BX.
LA240.
BT601,
WSM
ENGINE
3.
FUEL SYSTEM
(1
)
(8)
(7)
(6)
(3)
(5) (4)
3TAAAAF1
P013A
(1) Injection Nozzle
(2) Fuel Overflow Pipe
(3) Fuel Tank
(4) Fuel Filter
(5) Fuel Feed Pump
(6) Fuel Filter
(7) Injection Pump
(8) Injection Pipe
Fuel from the fuel tank (3) passes through the fuel filter (4), and then enters the injection pump (7) after impurities
such as dirt, water, etc. are removed.
The fuel pressurized by the injection pump to the opening pressure (13.7 to 14.7 MPa,
140 to 150 kgf/cm
2
,
1990
to 2133 psi),
of
the injection nozzle (1) is injected into the combustion chamber.
Part
of
the fuel fed to the injection nozzle (1) lubricates the moving parts
of
the needle valve inside the nozzle, then
returns to the fuel tank through the fuel overflow pipe (2) from the upper part
of
the nozzle holder.
1-M3