1
2
3
413--- 25
Fuel System
13---12
6. Before assembling, all parts should be carefully cleaned in
clean fuel or testing fluid.
7. Put the same thickness of shim back as were fitted earlier.
Note possible adjustment of the opening pressure. Assemble
the rest of the injector. Note the position of the spring guide
and the valve stop spacer.
8. Tighten the nozzle cap nut by hand and then to
60 Nm
.
N. Fitting injector in engine
1. Clean the injector sealing surface in the cylinder head. If
necessary use a reamer 9101 66000.
1. Washer
2. Rubber ring
3. Sealing washer
2. Fit the injector in the cylinder head using a new sealing
washer.
Note!
The spray pattern from the injector is not symmetrical
on purpose. It is therefore important that the injector is fitted
correctly in the cylinder head. The connection for the leak---off
line should be facing the valve mechanism.
3. Fit the attaching clamp and tighten the nuts evenly to
15
Nm
.
4. Connect the leak---off line together with new sealing
washers and connect the delivery pipes .
Note!
The screw studs in the cylinder head for the injectors
should only be finger tight. If tools have to be used the studs
should be tightened only lightly.
Note!
Make sure, that the injector is of a correct type. Wrong
injectors cause malfunctions and can damage the engine.
O. Fitting delivery pipes
1. Check the state of the pipes. If there are kinks, damage by
chafing, or if the tapered sealing end is damaged, the pipes
should be changed.
2. Fit the pipes without tension and check that they are at right
angles to the union.
3. Fit the clamps for the pipes.