Engine International HS 2.8L. Manual - part 14

International HS 2.8L

Engine Block

6 4

INTERNATIONAL ENGINES

ENGINE BLOCK

Removal

Warning:

Drain lubricant oil.

Warning:

Remove tank cap and loosen
water hoses from radiator.

Warning:

Remove drain plug and drain
cooling system.

1.

Loosen electric cables from starter motor,
lubricant oil pressure and engine temperature
gauges.

Disassembly

1.

Disconnect inlet pipes and fuel return.

2.

Remove engine from equipment.

3.

Install support on the engine and install it in
the engine stand.

4.

Remove fan.

5.

Remove crankshaft pulley.

6.

Remove water pump.

7.

Remove accessories.

8.

Remove cylinder head.

9.

Remove fuel lift pump.

10. Remove lubricant oil filter and cooler.

11. Remove distribution cover, pulleys and

housing.

12. Remove fuel injection pump.

13. Remove camshaft.

14. Remove flywheel and flywheel housing.

15. Remove oil pan.

16. Remove timing housing.

17. Remove alternator with vacuum pump and

power steering pump.

International HS 2.8L

Engine Block

6 5

8120081 - 05/02 - Service Manual

INTERNATIONAL ENGINES

18. Remove accessories support.

19. Remove rear seal and crankshaft.

20. Remove pistons and connecting rods.

Cleaning and inspection

1.

Remove oil gallery rear plug.

2.

Remove all water gallery plugs and lubricant
oil filter support.

3.

Flush block with water at 80°C (176 °F)
under pressure and a chemical grease
remover. Keep block in an immersion bathing
with a solution of the same type for 12 hours
and dry with compressed air.

 4. Clean block galleries, flush again with hot

water under pressure and dry with
compressed air. Make sure that the
passages of water and lubricant oil are
unobstructed.

5.

Check for cracks or other damages in the
block. Measure cylinders bore, see
CYLINDER.

6.

Assembly water gallery plugs applying Loctite
601. Fix aluminum washer and oil lubricating
rear plug applying Loctite 271.

CAMSHAFT BUSHING AND BEARING

Removal

1.

Quit camshaft bearings bushing using tool nr.
8130635 and tool nr. 8130636.

International HS 2.8L

Engine Block

6 6

INTERNATIONAL ENGINES

Cleaning, inspection and assembly

1.

Check camshaft bushing housing bores.

2.

Remove camshaft rear seal.

2.

Position bushing in engine block.

3.

Assembly bushing, making sure that
lubrication hole is aligned with the hole in the
block.

4.

Assembly camshaft rear seal, applying
Loctite 601.

CYLINDER

Verification

1.

Check cylinder inner diameter and out-of-
roundness. If dimensions found are higher
than specified, replace the engine block.
Maximum bore allowed for service.

International HS 2.8L

Engine Block

6 7

8120081 - 05/02 - Service Manual

INTERNATIONAL ENGINES

CYLINDER FINISHING

Mandrill and burnishing

1.

Adjust the machine to operate at 293 rpm
and advance of 0.15 to 0.30 mm / turn. The
final bore must be gotten in only one pass of
the broach.

2.

First step must be made with burnishing
batons of granulation 80 to 100 mash. In
finishing for final bore, it has to be used
batons of granulation 320 mash. In the two
steps, the grain quality of all the batons must
be CG (carbide of green silicon, hardness N).

3.

During burnishing, use oil Honilo 407
(Castrol).

4.

Finishing must be uniform on all cylinder
extension. All mandrill marks must be
removed. The cylinder surface must not be
polished. The rugosity must be within the
specified values.

Cleaning and inspection

1.

Remove incrustated particulate in the inner
surface of cylinder after the burnishing.

2.

Check cylinder bore and out-of-roundness.