Engine International HS 2.8L. Manual - part 7

International HS 2.8L

Fuel System

3 3

8120081 - 05/02 - Service Manual

INTERNATIONAL ENGINES

6.

Reinstall valves cover to avoid particulates
penetration.

7.

Remove flywheel-housing plug.

8.

Install tool nr. 8130632 in the flywheel
housing, without inserting center pin.

9.

Continue turning crankshaft clockwise until
that center pin fits in the flywheel timing hole.

10. Remove fuel injection pump inspection cover

from timing housing cover, complete with the
gasket.

11. Install the pin of the tool nr. 8130633 in the

fuel injection pump pulley.

15. Install tool nr. 8130633 with an 8 mm washer

and 1,5 to 2 mm thickness, under each bolt
head, beyond existent washer.

12. Remove limiter bolt tightening it to lock the

pump.

13. Remove from the motor pulley the fixation

bolts of pump hub and plate.

14. Remove pump pulley pin.

International HS 2.8L

Fuel System

3 4

INTERNATIONAL ENGINES

16. Remove accelerator cable at the fuel

injection pump.

17. Disconnect connector from electric stop

control solenoid.

18. Remove banjo bolts from fuel return pipes

and “boost control”, reinstalling them after the
pipes disconnection.

Reinstallation

1.

Remove pump plugs.

2.

(Only for a new pump). Install the tool pin nr.
8130633 in the fuel injection pump, turning
the pump the necessary to introduce the pin.
Remove the limiter and tighten the bolt to lock
the pump.

19. Remove the two bolts from the pump

assembly support (*).

20. Loosen the pump support bolts in the block 1,

enough to move the support.

21. Loosen pump fixation nuts in the flange and

remove pump and gasket.

22. Install plugs in pipes connections.

23. Reinstall limiter, if a new pump is being

installed.

*

*

International HS 2.8L

Fuel System

3 5

8120081 - 05/02 - Service Manual

INTERNATIONAL ENGINES

3.

Remove special tool pin from the pump.

4.

Clean pump and timing housing contact
surfaces.

5.

Install pump in timing housing with a new
gasket and fix it with nuts tightening
according to specification.

6.

Fix pump to timing housing with nuts,
tightening within 22 to 28 Nm, clockwise, and
finishing the tightening in the lower nut.

7.

Tighten the support fixation bolts to the block
and pump bolts to the support, and tighten
within 22 to 28 Nm.

8.

Connect return and fuel pipes with new
washers and fix them with banjo bolts
tightening according to specification.

9.

Connect “boost control” pipe and fix it with
banjo bolt tightening it according to
specification.

10. Connect stop control solenoid wiring.

11. Connect accelerator cable.

12. Remove tool nr. 8130633.

13. Install gear lock plate.

14. Install the tool pin nr. 8130633.

15. Fix pulley with bolts.

16. Install retention plate in fuel injection pump.

17. Remove the pins of the special tools nr.

8130632 and 8130633.

18. Turn crankshaft two complete turns, check if

the pin of the tool nr. 8130633 can be totally
and easily introduced in the pump. Check at
the same time that the tool pin nr. 8130632
also can to be introduced in the hole of the
flywheel.

19. If, with the timing pin nr. 8130632 introduced

on the flywheel, the timing pin of the tool nr.
8130633 is not able to be easily introduced in
the fuel injection pump, make the timing
procedures, see TIMING.

International HS 2.8L

Fuel System

3 6

INTERNATIONAL ENGINES

20. Using adequate anti-adherent compound,

install the flywheel housing plug and tighten it
according to specification.

21. Install inspection cover with a new gasket on

timing housing cover and tighten bolts
according to specification.

22. Reinstall nozzle-holders pipes.

23. Assembly accelerator cables at fuel injection

pump.

Note:

Remove special tool.

24. Bleed fuel system, see FUEL SYSTEM -

Bleeding.

25. Start engine and check system for leakages.

IDLE SPEED ADJUSTMENT

1.

Check and adjust accelerator cable.

2.

Start engine and let it work until reach normal
operation temperature always varying its
speed.

3.

Using an appropriate tachometer, check idle
speed value.

4.

Loosen counter-nut in fuel injection pump, if
adjustment is necessary.

5.

Turn adjustment screw clockwise to increase
engine speed, or counter clockwise to
decrease it. Operate engine at a higher
speed during a few seconds and check idle
speed again.

6.

Once correct speed is get, tighten screw and
counter-nut.

Note:

The idle speed is the only adjustment allowed in service. Any other additional
adjustment must be made by a Bosch authorized representative.