Doosan D50C-5 - Common Rail Assembly

D439E Service Manual 4. Fuel system
199
Common Rail Assembly
Removal
1. Remove the high-pressure pipe (1~4) connecting
fall and Injector.
2. Remove tile injector pipe (1) connecting high-
pres- sure pipe to common rail.
3. Remove return fuel hose (2).
4. Remove the rail pressure sensor (4).
CAUTION
Take care so that the fuel remaining in the rail
may not leak.
5. Loosen the common r811 pressure sensor
mounting bolt (3) and remove the common rail
assembly.
Installation
1. Install the mounting bolt of the common rail
assembly.
Tightening torque : 2.2~3.3kgf.m
2. Fasten high-pressure fuel pipe.
Tightening torque : 4.0—5.0kgf.rn