Komatsu SAA6D140E-3 - Fuel System; Fuel System Diagram

11-56
140-3 SERIES
STRUCTURE AND FUNCTION, MAINTENANCE STANDARD FUEL SYSTEM DIAGRAM
FUEL SYSTEM DIAGRAM
CRI SYSTEM
★ CRI is short for Common Rail Injection.
Hereinafter called CRI.
1.
Fuel tank
3.
Fuel filter
2.
Fuel supply pump assembly
4.
Overflow valve
2A.
PCV
5.
Common rail
2B.
High-pressure pump
6.
Pressure limiter
2C.
Priming pump
7.
Flow damper
2D.
Feed pump
8.
Injector assembly
2E.
Bypass valve
9.
Fuel cooler
2F.
G revolution sensor
10.
ECU (Engine Control Unit)
11.
NE revolution sensor