Volvo Penta MD6A - Page 37

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Main bearing journals
Diameter, standard
0.300 mm undersize
0.600 mm undersize
Main bearing shells
Thickness, standard
0.300 mm oversize
0.600 mm oversize
Connecting rod journals
Diameter, standard
0.300 mm undersize
0.600 mm undersize
Connecting rod shells
Thickness, standard
0.300 mm oversize
0.600 mm oversize
Connecting rods
End play at crankshaft
Camshaft
End play
Radial clearance in bearing
Camshaft diameter
Lift height of cams
Bushing, diameter
Cylinder head
Material
Intake valves
Disc diameter
Stem diameter
Valve seat angle
Cylinder head seat angle
Width of seat in cylinder head
Clearance, hot engine
Exhaust valves
Disc diameter
Stem diameter
Valve seat angle
Cylinder head seat angle
Width of seat in cylinder head
Clearance, hot engine
Valve guides
Length, intake valve
Length, exhaust valve
Bore
Height above cylinder head spring face
Clearance, valve stemguide
49.984—50.000 mm (1.9679—1.9685”)
49.684—49.700 mm (1.9560—1.9567”)
49.384—49.400 mm (1.9442—1.9449”)
1.730—1.737 mm (0.0681—0.0684”)
2.030—2.037 mm (0.0800—0.0802”)
2.330—2.337 mm (0.0917—0.0920”)
49.984—50.000 mm (1.9679—1.9685”)
49.684—49.700 mm (1.9560—1.9567”)
49.384—49.400 mm (1.9442—1.9449”)
1.730—1.737 mm (0.0681—0.0684”)
2.030—2.037 mm (0.0800—0.0802”)
2.330—2.337 mm (0.0917—0.0920”)
0.25—0.50 mm (0.0100—0.0200”)
0.160—0.300 mm (0.0063—0.0118”)
0.017—0.083 mm (0.0007—0.0033”)
43.992—44.008 mm (1.7320—1.7326”)
5.48—5.52 mm (0.2157—0.2173”)
44.025—44.075 mm (1.7333—1.7352”)
Special-alloy cast iron
28.8—29.0 mm (1.1338—1.1417”)
7.938—7.960 mm (0.3125—0.3134”)
29.25—29.50°
30°
approx. 1 mm (0.040”)
0.30 mm (0.012”)
26.3—26.5 mm (1.0354—1.0433”)
7.938—7.960 mm (0.3125—0.3133”)
29.25—29.50°
30°
approx. 1 mm (0.040”)
0.30 mm (0.012”)
43 mm (1.6930”)
49 mm (1 .9291”)
8.000—8.022 mm (0.3150—0.3158”)
10.7—11.0 mm (0.4212—0.4331”)
0.040—0.084 mm (0.0016—0.0033”)