Engine body
Fitting of cylinder head
1st tightening
MD2O10. MD2020
MD2030
MD2040
10 Nm (7.40 ft.lbs)
20 Nm (14.80 ft.lbs)
30 Nm (22.10 ft.lbs
1.
Clean the surface of the cylinder head and cylinder
block. Remove any rust or soot from the screw ho-
les and threads for the cylinder head screws.
2nd tightening
2.
3.
Fit on the new cylinder head gasket.
MD2O10, MD2020
MD2030
MD2040
20 Nm (14.80 ft.lbs)
35 Nm (25.80 ft.lbs)
70 Nm (51.70 ft.lbs)
Apply grease containing molybdenum disulphide
on the cylinder head screws.
NOTE! The screws are surface treated and must
not be cleaned with a steel brush.
Final tightening
MD2O10, MD2020
MD2030
MD2040
35-40 Nm (26-30 ft.lbs)
50-53 Nm (37-39 ft.lbs)
90-95 Nm (66-70 ft.lbs)
Note: If the cylinder head is painted the mating sur-
faces for cylinder head screws must be free from
paint, otherwise the clamping force in the screw
union will be adversely affected.
4.
Check that the tubular pins (guides) are fitted in the
block. Place the two rear cylinder head screws in
the cylinder head and fit the head.
e
Fig. 32. Fitting of the rocker mechanism (MD2040)
6.
7.
Fit the pull rods (2), valve caps (3, MD2040 and
later versions of 2010, 2020,2030) and rocker
mechanism (1).
Adjust the valve clearance as per directions on
page 34. Fit the valve cover.
Fig. 30. Tightening diagram, MD2O10
Fig. 33. Fitting of oil pressure pipe (cylinder block -
cylinder head / rocker mechanism)
Fig. 31. Tightening diagram MD2020, MD2030, MD2040
8.
Fit the oil pressure pipe between the block and
cylinder head (rocker mechanism on MD2040).
5.
Tighten the cylinder head screws in three stages as
per the following. See tightening diagrams Fig. 30-
31.
Tightening torque 10-13 Nm (7.4-9.6 ft.lbs).
32
| Categories | Volvo Penta Manuals |
|---|---|
| Tags | Volvo Penta MD2010, Volvo Penta MD2020, Volvo Penta MD2030, Volvo Penta MD2040 |
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Pages 58 and 59 are missing from Volvo Penta MD2010 MD2020 MD2030 MD2040 Workshop Manual. I need only these pages at present!