Engine body
025
038
031
r
0
7 6
Fig. 78. Check measuring of measuring plastic
5
3.
Remove the cap and measure the width on the
pressed out measuring plastic at the widest point.
Use the scale which accompanies the measuring
plastic (Fig. 78).
Fig. 79a. Fitting of main bearing cap MD2O10,
MD2020, MD2030
1. Big-end bearing cap with 4. Main bearing cap of
bevelling
cast iron
5. Main bearing cap of
aluminium
Max. permissible big-end bearing clearance:
2.
3.
Groove
0.2
mm (.0078 in).
Top main bearing half
with oil groove
Replace the big-end bearing if the bearing clear-
ance exceeds the permissible value. If necessary
the journals can be ground to an undersize and
oversize bearings fitted. Big-end bearings are avail-
able in two oversizes.
NOTE! Check the bearing clearance again before
assembly if the journals have been ground.
Fitting of the crankshaft
1.
Check the cleaning of the crankshaft channels and
bearing surfaces, cylinder block and cap. Check
also that the bearing cups and their mating surfac-
es have no burrs or upset ends.
4
2.
3.
Place the main bearing in position in the cap.
Check that the lubrication holes in the top bear-
ing cups come opposite the oil channels.
Fig. 79b. Fitting of main bearing cap MD2040
Big-end bearing cap with 3. Top main bearing half
1.
bevelling
Groove
with oil groove
4. Thrust washers
Oil in the bearing and main bearing journals and fit
the caps on the crankshaft.
2.
Note : The bevelled edge (1, Fig. 79a and 79b)
should be turned forwards on all caps.
5.
Carefully lift the crankshaft in position in the cylin-
der block.
4.
Fit the cap which is provided with a groove as per
2,
Fig. 79a and 79b.
Note: The bearing cups provided with an oil groove
Fig. 79a and 79b) should be placed in the top
Note: Tape the crankshaft gear before the crank-
shaft is lifted in. The cogs can otherwise damage
the bearing surfaces in the cylinder block.
(3,
cap.
MD2O10, MD2020, MD2030: Fit aluminium caps
(with integrated thrust washers) at the far end (fly-
wheel side).
MD2040: Place both thrust washers in the lower
cap at the far end (flywheel side) and with the oil
groove turned towards the crankshaft.
49
| Categories | Volvo Penta Manuals |
|---|---|
| Tags | Volvo Penta MD2010, Volvo Penta MD2020, Volvo Penta MD2030, Volvo Penta MD2040 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(4 votes, average: 4.25 out of 5)
Marine readers have rated Volvo Penta MD2010 MD2020 MD2030 MD2040 Workshop Manual 4.3 out of 5.0 based on 4 product reviews. GOOD AND GOODER S=GOODEST. IS BESTER
jeg skal bruge manualen , til at samle min Volvo penta md 2030 igen.
Ö, hur dka jag veta om det är bra innan jag set produkten.
Pages 58 and 59 are missing from Volvo Penta MD2010 MD2020 MD2030 MD2040 Workshop Manual. I need only these pages at present!