Engine International HS 2.8L. Manual - part 8

International HS 2.8L

Fuel System

3 7

8120081 - 05/02 - Service Manual

INTERNATIONAL ENGINES

FUEL NOZZLE-HOLDERS SET

Removal

1.

Remove high-pressure pipes set from
nozzle-holders and from fuel injection pump.

2.

Remove return pipe from nozzle-holders.

3.

Close nozzle-holders pipes and connections
to prevent against dust and strange
materials penetration.

4.

Remove fixation plate nuts from nozzle-
holders in cylinder head.

5.

Remove nozzle-holders and discard copper
washers.

6.

Protect fuel passages and nozzle
pulverization holes.

Reinstallation

1.

Check nozzles. In case it is noticed any
irregularity, seek a Distributor or an
Authorized Service of the injection system
manufacturer, to the nozzle-holder set
replacement.

2.

Internally clean all fuel piping with
compressed air. Externally check pipes
conditions and structure, replacing them if
necessary.

3.

Make sure that the nozzle-holder set and its
seat in the cylinder head are clean.

4.

Grease slightly a new copper washer and
position it in the nozzle-holder set.

International HS 2.8L

Fuel System

3 8

INTERNATIONAL ENGINES

5.

Install nozzle-holder set with the return outlet
turned outside.

6.

Fix it with the plate and nut, tightening
according to specification.

Note:

The fixation plates are slightly curved and must be installed with the convex side
upwards.

7.

Install return pipe with only one copper
washer under the head of the banjo bolt and
two copper washers between the nozzle-
holder set and the banjo. Tighten the banjo
bolt according to specification.

8.

Install high-pressure pipe, tightening the
union nuts according to specification.

TIMING

1.

Externally clean the engine. Remove valves
cover, its gasket and breather pipe.

2.

Remove high-pressure pipes set from
nozzle-holders to fuel injection pump.

3.

Remove fuel injection pump inspection cover
from timing housing cover, complete with
gasket.

4.

Install tool nr. 8130632 in flywheel housing.

International HS 2.8L

Fuel System

3 9

8120081 - 05/02 - Service Manual

INTERNATIONAL ENGINES

5.

Turn crankshaft to the valves of the cylinder
nr. 4 to be swinging (1st cylinder piston at
TDC in compression stroke).

6.

Continue turning crankshaft clockwise until fit
the center pin.

7.

Install the tool pin nr. 8130633 in the fuel
injection pump pulley.

8.

If, with the pin of timing nr. 8130632
introduced in the flywheel, the timing tool pin
nr. 8130633 can not be easily introduced in
the fuel injection pump, proceed as following:

a.

Make sure that the timing pin of the
flywheel are not introduced in the hole.

b.

Turn slightly crankshaft, enough to allow
the timing pin fitting in the pump.

c.

Remove retention plate and lock pump.

d.

Loosen the three fixation bolts of the
pump gear.

e.

Turn crankshaft to TDC until cylinder nr.
1 in compression.

f.

Check if the timing pin can be easily
introduced in the pump and in the
flywheel.

g.

Tighten fixation bolts of pump gear
according to specification.

h.

Unlock pump, install retention plate and
tighten screw.

i.

Remove pump and flywheel timing pins.

9.

Using an adequate anti-adherent compound,
install the flywheel housing plug and tighten it
according to specification.

10. Install inspection cover with gasket in the

timing housing cover and tighten bolts
according to specification.

11. Reinstall nozzle-holders pipes.

International HS 2.8L

Fuel System

4 0

INTERNATIONAL ENGINES

12. Assembly accelerator cable at fuel injection

pump.

13. Bleed fuel system. See FUEL SYSTEM -

Bleeding.

14. Install plug in housing, tightening within of

22 to 28 Nm.

Note:

Remove special tools 8130632 and 8130633.

15. Start engine and check system for leakages.