Komatsu 4D95LE-2 - FUEL INJECTION NOZZLE

95-2 SERIES
11-28
1
STRUCTURE AND FUNCTION FUEL SYSTEM
FUEL INJECTION NOZZLE
FOR DIRECT FUEL INJECTION TYPE
4D95LE-2
1. Connector
2. Nozzle holder
3. Adjustment shim
4. Nozzle spring
5. Spring seat (there are two types)
6. Retaining cap
7. Nozzle body
8. Needle valve
A. Fuel inlet port (from injection pump)
B. Fuel spray (inside cylinder)
C. Fuel return port (to fuel tank)
Specifications
• Type: Bosch multiple-hole cylindrical type
• Injection pressure (cracking pressure):
19.6 MPa {200 kg/cm
2
}
• Cracking pressure adjustment:
shim adjustment