Fuel Injector Line: Description and Operation

GF07.03-P-5001P Component Description For the High Pressure Line
ENGINE 642 in MODEL 164.1 /8 up to Model Year 2008
ENGINE 642 in MODEL 203.0 /2, 221.0 /1, 251.0 /1 up to Model Year 2008
ENGINE 642 in MODEL 209.3 /4, 211.0 /2 /6, 219.3
ENGINE 642 in MODEL 461.3, 463.3 up to 31.5.12





Shown without code (494) USA version and without model 461.3

19 High-pressure pump
21 Left rail
22 Right rail
23 High pressure lines

Y76 Fuel injectors

Location
The high pressure lines are located between the following components of the high pressure circuit:
^ High-pressure pump
^ Left rail
^ Right rail
^ Fuel injectors

Task
The high pressure lines make the connection between the following components:
^ High pressure pump and left rail
^ Left rail and right rail
^ Left rail and fuel injectors
^ Right rail and fuel injectors

The high pressure lines also lead the highly compressed fuel from the high pressure pump to the The high pressure lines are located between the following components listed.

Design
The high-pressure lines are steel lines with conus-shaped seats and union nuts.