Kohler KDI 2504TM

2
TECHNICAL INFORMATION
EN 22
The fuel supply system is under low pressure from the tank
1
to
the high-pressure fuel injection pump
5
.
NOTE
: The representation of fuel tank is purely indicative.
Component not necessarily supplied by
KOHLER
.
T
ab 2.12
POS.
DESCRIPTION
1
Fuel tank
2
Fuel supply hose from the tank to the injection pump
3
Fuel filter
4
Electrical fuel feed pump
5
Injection pump
6
Injector high-pressure hose from the injection pump to
the injectors
7
Injectors
Fig 2.4
2.9.2 Fuel return circuit
T
he fuel return circuit is under low pressure.
NOTE
: The representation of fuel tank is purely indicative.
Component not necessarily supplied by
KOHLER
.
T
ab 2.13
POS.
DESCRIPTION
1
Injectors
2
Injectors fuel return pipe
3
Injection pump
4
Fuel tank
5
Fuel return pipe to the tank
Fig 2.5
2.9.3 Injection pump
P
ressure into the injection pump must be positive in all
operating conditions.
The injection pump is operated by means of the pump
control gear and sends high-pressure fuel to the injectors.
NOTE: In the event of leakage from the high pressure
circuit do not intervene with the engine running, but turn it
off and wait 5 - 10 minutes before checking the leak.
T
ab 2.14
Fig 2.6