F4GE N SERIES
4-CYLINDER ENGINES WITH BOSCH VE 4/12 F ROTARY MECHANICAL PUMP
General information
Fuel feed system is composed by:
- Fuel tank (placed on the machine)
- Fuel delivery and back-flow to tank
- Fuel pre-filter (if available, it is usually placed close to the engine on the machine frame)
- Priming pump, assembled to the engine and driven by the camshaft
- Fuel filter (assembled to the engine in different positions according to equipment application and duty)
- Fuel feed rotary pump
- Injector feed pipeline (from fuel feed pump to injectors)
- Injectors
Figure 1
1
7
1. Injector feed pipes - 2. Fuel exhaust pipes from injectors - 3. Fuel feed rotary pump - 4. Connector for LDA pressure
gauge pipe within suction collector - 5. KSB thermal bulb - 6. Electro-valve - 7. Injector.
Print P2D32N010 E
3
SECTION 2 - FUEL
2
4
5
3
6
74168
Base - February 2009