Yanmar 4JH4E - Fuel Injection Nozzle

6. Fuel Injection equipment
237
6.4 Fuel injection nozzle
(1) Nozzle specifications
(2) Fuel injection nozzle structure
Item 3JH4E/4JH4E 4JH4-TE 4JH4-HTE
Nozzle type YDLLA-P
Hole angle 159 156
Number of nozzle holes-hole diameter (mm) 5-ø0.18 6-ø0.16 6-ø0.18
Injection nozzle opening pressure MPa (kgf/cm
2
)
21.1-22.1 (215-225)
Nozzle stamp mark 159P185VAD1 156-P166VCC0 156P186VCC0
Nozzle valve
Nozzle body
Nozzle hole
Hole angle
010352-00E
010628-00E 010353-00
E
2-valve head (3JH4E and 4JH4E)
4-valve head (4JH4-TE and 4JH4-HTE)