1.7.1 Engine codes CJDA, CJDD
1 - 8 Nm
2 - High-pressure line, 28
Nm
q
Between high-pres-
sure pump and fuel
rail.
3 - Fuel return lines
q
With pressure reten-
tion valve
q
Check pressure re-
tention valve
q
Note various ver-
sions
.
4 - 8 Nm
5 - High-pressure lines,
28 Nm
q
Between fuel rail
and injectors
Caution
The high-pressure
lines may be re-used
after the following
checks:
◆
Check taper seat
of respective high-
pressure line for
deformation and
cracks.
◆
The inside of the
line must not be
deformed, con-
stricted or dam-
aged.
◆
Corroded lines
should no longer
be used.
q
Do not interchange.
q
.
6 - Fuel pressure regulating valve -N276-, 80 Nm.
q
Checking return flow rate
q
Checking fuel pressure regulating valve
q
7 - Fuel rail
8 - Fuel supply line
Industriemotoren - Industrial Engines 2009
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Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
3
1 Repairing diesel direct injection system
363