– Renew seal of injector bore. Use assembly sleeve -T10377-
for this.
– To avoid damaging O-ring, carefully slide new, oiled O-ring
onto fuel return connection.
Engine codes CJDA, CJDD
Caution
When removing securing nuts from injector there is a risk
that the relevant nut will fall into the cylinder head. Proceed
very carefully to prevent unnecessary dismantling or fur-
ther damage.
– Fit injector cover.
– Slide clamping piece onto injector and note its installation
position
.
– Insert injector into injector bore.
– Carefully position securing nuts of clamping piece by hand
.
– Turn injector cover onto installation position and bolt. Speci-
.
Engine codes CPYA, CPYB, CPYC, CPYD, CPYE
– Insert injector into injector bore.
Continuation for all engine codes
.
Note
After renewing one or more injectors, the “injector delivery cali-
bration values (IDC)” and “injector voltage calibration values
(IVC)” for the new injectors must be stored in the engine control
unit
.
– Bleed fuel system
Note
The high-pressure connections must not be opened for bleed-
ing.
– Run engine at idling speed for several minutes and then
switch off.
– Switch off ignition.
– Check the complete fuel system including the 4 return line
.
Renew the affected component if leakage still occurs after tight-
ening to the correct torque.
Note
The return lines can only be renewed together with the pressure
retention valve as one unit.
3
Industriemotoren - Industrial Engines 2009
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Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
374
Repair Group 23 - Mixture preparation - injection