Engine body
Assembly of piston, piston rings
and connecting rod
6.
Check the big-end clearance. See "Inspection of
crankshaft" and "Inspection of main and big-end
bearings" on pages 46 and 47.
Note: Check that pistons of the correct oversize are
used if the cylinders have been milled to oversize.
7.
Check the piston ring gap in the cylinder bore (Fig.
1.
2.
Fit one circlip in the piston.
41
on page 35) and that the rings do not jam in the
piston ring grooves.
Oil in the gudgeon pin and bushing.
Fig. 49. Assembly of piston and connecting rod
(MD2010, MD2020)
Fig. 51. Placement of piston rings
1.
TOP marking
2.
Oil scraper with expander spring (MD2O10-2030)
Fig. 50. Assembly of piston and connecting rod
(MD2030, MD2040)
3.
Heat up the piston to approx. 100°C (212°F). Place
the piston and connecting rod so that the markings
correspond with Fig. 49 or 50.
MD2O10, MD2020: With the marking on the con-
necting rods side upwards the arrow on the piston
top should be turned in the same direction as per
Fig. 49.
Fig. 52. Fitting of oil ring (MD2040)
MD2030, MD2040: The marking on the connecting
rod and the "SHIBAURA" mark in the piston should
be turned in the same direction as per Fig. 50.
1.
Top scraper ring
3. Bottom scraper ring
2. Expander
Push in the gudgeon pin.
8.
Fit the piston rings on the piston with a piston ring
tong.
NOTE! The gudgeon pin should be able to be
pressed in easily. It must not be knocked in.
Note: The rings should be turned as per Fig. 51.
MD2O10, MD2020,
: Fit the oil ring first
4.
5.
Fit the other circlip.
(with the marking turned upwards). The opening in
the expander spring should be placed 180° from the
oil ring gap.
Check that the connecting rod goes easily in the
gudgeon pin bearing.
38
Categories | Volvo Penta Manuals |
---|---|
Tags | Volvo Penta MD2010, Volvo Penta MD2020, Volvo Penta MD2030, Volvo Penta MD2040 |
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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!