Kohler KDI 3404 TM - Page 29

29
2
_04
Fig. 2.9
ST_35
ST_32
Fig. 2.10
ST_33
ST_32
ST_25
5
24
1
3
6
Fig. 2.8
Tab. 2.17
ED0053030410
TECHNICAL INFORMATION
2.9.6 Electric fuel pump (optional)
When the electric fuel pump is installed in a diesel engine,
one must:
1 - Remove any filters installed on the inlet of the electric
injection pump;
2 - Insert a pre-filter between the tank and the electric pump;
3 - The electric pump may be assembled on application at a
maximum height of 500 mm from the position of the fuel
tank.
4 - Insert a shut-off valve to prevent dry operation due to the
emptying of the intake manifold;
5 -
The supply pressure given from the electric pump must
not exceed the pressure of 0.2 bar to the input of injection
pump.
POS. DESCRIZIONE
1 Fuel tank
2 Arrival pipe from the tank
3 Prelter
4 Electric pump
5 Flow pipe to the fuel lter
6 Fuel lter
2.9.7 Guards for fuel injection circuit components
High-pressure injection circuit components are particularly
sensitive to impurities.
To prevent impurities, even microscopic ones, from accessing
the fuel input or output unions, you are required to close these
accesses by means of specic caps as soon as the various
tubes are disassembled and disconnected.
Disassembly of any component of the injection circuit must
not occur in dusty environments.
Cap guards must remain closed in their housing (ST_40) until
the moment they are to be used.
Pay special attention when using the caps and avoid any
contamination of dust or dirt of any kind.
Even after using the caps illustrated in this paragraph, all
components of the injection circuit must be placed with care
in environments that are free of any type of impurity.
Fig. 2.10, and 2.11 illustrate the caps that must be used on
components of the injection circuit.
Cap guards must be accurately washed after use and placed
back in their housing ST_40.
Important
• It is highly recommended to have this page visible during
disassembly operations of the components of the fuel
injection circuit.