Connecting rod journals
Diameter, standard mm (in.)
Diameter, undersized, 0,250 mm (in.)
Diameter, undersized, 0,500 mm (in.)
50,987 - 51,000
50,737 - 50,750
50,487 - 50,500
(2.0074 - 2.0079)
(1.9975 - 1.9980)
(1.9877 - 1.9882)
Big end bearing shells
Thickness, standard mm (in.)
Oversized, 0,250 mm (in.)
Oversized, 0,500 mm (in.)
1,768 - 1,780
1,893 - 1,905
2,018 - 2,030
(0.0696 - 0.0701)
(0.0745 - 0.0750)
(0.0794 - 0.0799)
Connecting rod
Axial clearance (end float) at crankshaft mm (in.)
0,05 - 0,20
(0.0020 - 0.0079)
Camshaft
Axial clearance (end float) mm (in.)
Radial clearance in bearings mm (in.)
Camshaft diameter mm (in.)
Camshaft diameter mm (in.)
Lifting height mm (in.)
0,54 - 0,82
(0.0213 - 0.0323)
(0.0010 - 0.0030)
(1 .5738 - 1 .5748)
(1.8494 - 1.8504)
(0,2283)
0,025 - 0,075
39,975 - 40,000
46,975 - 47,000
5,8
Bearing diameter mm (in.)
Bearing diameter mm (in.)
40,025 - 40,050
47,025 - 47,050
(1.5758 - 1.5768)
(1.8514 - 1.8524)
Inlet valve
Valve disc diameter mm (in.)
Valve stem diameter mm (in.)
Valve seat angle
Seat angle in cylinder head
Seat width in cylinder. head mm (in.)
Tappet clearance, hot mm (in.)
34,9 - 35,1
7,955 - 7,970
45,5°
45°
ca 1
(1.3740 - 1.3819)
(0.31 32 - 0.31 38)
(see fig. page 15)
(0.0394)
(0.0118)
0,30
Outlet valve
Valve disc diameter mm (in.)
Valve stem diameter mm (in.)
Valve seat angle
27,9 - 28,1
7,925 - 7,940
44,5°
(1.0984 - 1.1063)
(0.3120 - 0.3126)
(see fig. page 15)
Seat angle in cylinder head
Seat width in cylinder head mm (in.)
Tappet clearance, hot mm (in.)
45°
ca 1
0,35
(0.0394)
(0.0 138)
Valve guides
Length, inlet valve mm (in.)
52
(2.0472)
Length, exhaust valve mm (in.)
Inner diameter mm (in.)
Height above cylinder block’s spring face mm (in.)
Clearance, valve stem-valve guide: inlet valve mm (in.)
Clearance, valve stem-valve guide: outlet valve mm (in.)
52
(2.0472)
8,000 - 8,015
10,65 - 11,35
0,030 - 0,060
0,060 - 0,090
(0.3150 - 0.3156)
(0.4193 - 0.4469)
(0.00 12 - 0.0024)
(0 .0024 - 0 .0035)
Valve springs
Length unloaded mm (in.)
Loaded with a force of 170 N (17 kp) (37,5 lb) mm (in.)
Loaded with a force of 300 N (30 kp) (66 lb) mm (in.)
42,5
32
24
(1.6732)
(1.2598)
(0.9449)
Lubrication system
3
Engine oil capacity ex. filter (Imp. qts. = US qts.)
Engine oil capacity inc. filter (Imp. qts. = US qts.)
Oil quality according to API system
2,0 din
(1.7 = 2.1)
(1.8 = 2.2)
(DS)
2,1 din3
CD
0
1st alternative. Above + 10 C (5Q0 F) Volvo Penta oil
Double grade
SAE 20W/30
SAE l0W
SAE 20
Below + 10 C (500F) Volvo Penta oil Single grade
0
0
0
2nd alternative. Viscosity above + 10 Cj50 F)
Viscosity below + 100 (50~ F)
Oil pressure, hot engine, idling kplcm 2(p.s.i.)
Oil pressure, hot engine, full throttle kplcm 2(p.s.i.)
SAE 10
2
1,5 - 2,5 kplcm
2
(21 - 36)
(57 - 71)
4,0 - 5,0 kplcm
31
| Categories | Volvo Penta Manuals |
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| Tags | Volvo Penta MD5A |
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(1 votes, average: 5 out of 5)
Marine readers have rated Volvo Penta MD5A Marine Diesel Engine Workshop Manual 5.0 out of 5.0 based on 1 product reviews. Very useful download. Thanks VM.