Volvo Penta MB2A, MD2 Marine Diesel Engine Parts Manual - PDF DOWNLOAD

21

Camshaft and Valve Mechanism

MB2A

Upd:7/18/2022

49462

7742060 -21 -54146515 MB2A, MD2

Camshaft and Valve Mechanism

21

MB2A REF PART NO. QTY 1 (855159) 1 Camshaft 2 (3578416) 1 Key 3 (3578393) 2 Washer 4 (3579028) 1 Rocker arm shaft 5 (3579033) 2 Exhaust valve 6 (3579032) 2 Inlet valve 7 (3578006) 2 Valve guide 8 2 ring 9 (3578007) 2 Valve guide 10 2 ring 11 (3578037) 4 Spring seat 12 (3578035) 4 Valve spring 13 (3578293) 2 Washer 14 (3578036) 2 Washer 15 (3579034) 2 Rotator 16 (3578038) 4 Valve cone 17 (3579030) 1 Spacer washer 18 (3579031) 2 Spacer tube 19 (3579027) 4 Rocker arm 20 (3579065) 4 Adjusting screw 21 (3578380) 4 Lock nut 22 (855193) 1 Gear pulley 23 (3578028) 1 Tooth belt 24 (3579135) 1 Washer 25 (3579142) 1 Screw 26 (3579127) 1 Rubber cap 27 (3579029) 1 Spring

DESCRIPTION

7742060- 21- 54146515

49462

MB2A, MD2

SEE SEC.

54146522

Upd:7/18/2022

Crankshaft and Related Parts

21 MB2A

Upd:7/18/2022

49459

7742060 -21 -54146522 MB2A, MD2

Crankshaft and Related Parts

21

MB2A REF PART NO. QTY 1 (3579020) 1 Crankshaft 2 (3579041) 4 Main bearing 3 (3579024) 1 Sealing ring 4 (3579025) 1 Sealing ring 5 (3579021) 2 Bearing 6 (3578527) 2 Key 7 (3579019) 2 Connecting rod 8 (3579022) 4 Screw 9 (3578386) 4 Washer 10 (3579023) 2 Striker plate 11 (3579018) 2 Piston 12 (3579276) 2 Piston pin 13 (3579064) 4 Lock ring 14 (3579017) 2 Piston ring kit 15 (3579137) 2 Guide sleeve 16 (3579118) 1 Bracket 17 (855169) 3 Flange screw 18 (3579122) 2 Flange 19 (3579121) 1 Pulley 20 (3579134) 1 Lock washer 21 (3579133) 1 Nut 22 (3578028) 1 Tooth belt 23 (3579382) 1 Flywheel 24 (3579111) 1 Nut

7742060- 21- 54146522 MB2A, MD2

DESCRIPTION

SEE SEC.

NOTES

54146520

See group 3

54146515 (3579107) see group 3

49459

Upd:7/18/2022

Cylinder Block

21 MB2A

Upd:7/18/2022

49457

7742060 -21 -54146520 MB2A, MD2

Cylinder Block

21

MB2A REF PART NO. QTY 1 (855160) 1 Cylinder block 2 (3579072) 4 Locating pin 3 (3579067) 5 Screw (3579069) 1 Screw (3579070) 4 Screw 4 (3579041) 4 Main bearing 5 855161 1 Gasket 6 (3578992) 2 Locating pin 7 (3579053) 1 Housing 8 (3579139) 2 Hose 9 (3579140) 1 Hose 10 3579094 3 Clamp 11 (3578415) 2 Clamp 12 (3579119) 1 Lower section 13 (855197) 1 O-ring 14 (3579120) 1 Valve 15 (3579059) 2 Screw 16 (855201) 2 Spacer tube 17 (3579118) 1 Bracket

7742060- 21- 54146520 MB2A, MD2

DESCRIPTION

SEE SEC.

NOTES

L=25mm L=35mm L=45mm 54146522 54146517 54146516 54146517

See group 3

49457

Upd:7/18/2022

Cylinder Head

21 MB2A

Upd:7/18/2022

49455

7742060 -21 -54146516 MB2A, MD2

Cylinder Head

21

MB2A REF PART NO. QTY 1 (855162) 1 Cylinder head 2 (855163) 1 Valve cover 3 3579040 1 Gasket 4 (3578429) 1 Sealing ring 5 (3578992) 2 Locating pin 6 3579073 1 O-ring 7 3579392 1 Cylinder head gasket 8 (3579075) 2 Spark plug 9 (3578368) 1 Screw (3578369) 1 Screw (3579066) 1 Screw (3578472) 1 Screw (3578473) 2 Screw 10 (3578385) 6 Washer 11 (855169) 4 Flange screw 12 3579288 1 Gasket

7742060- 21- 54146516 MB2A, MD2

DESCRIPTION

SEE SEC.

NOTES

54146520 (3579038) See group 3 L=70mm L=94mm L=55mm L=50mm L=65mm

See group 2B

49455

Upd:7/18/2022

21

Engine and Installation Components

MB2A

Upd:7/18/2022

49461

7742060 -21 -54146521 MB2A, MD2

Engine and Installation Components

21

MB2A REF QTY 1 1 cylinder block 2 1 crankshaft and related parts 3 1 camshaft and valve mechanism 4 1 cylinder head 5 1 lubricating system 6 1 engine mounts 7 1 manual starter

7742060- 21- 54146521 MB2A, MD2

DESCRIPTION

49461

SEE SEC. 54146520 54146522 54146515 54146516 54146517 54146518 54146519

Upd:7/18/2022

Engine Suspension

21 MB2A

Upd:7/18/2022

49456

7742060 -21 -54146518 MB2A, MD2

Engine Suspension

21

MB2A REF PART NO. QTY 1 (855032) 1 Engine mounting (855035) 1 Engine mounting 2 955272 10 Hexagon screw 3 941906 10 Spring washer 4 (855050) 4 Rubber element 5 (949508) 4 Screw 6 955783 2 Hexagon nut 7 941908 6 Spring washer 8 (855029) 2 Brace 9 955295 4 Hexagon screw 10 960141 4 Washer 11 (855030) 2 Elbow 12 955295 8 Hexagon screw 13 941907 8 Spring washer 14 (855031) 2 Engine mounting 15 (855005) 1 Engine bed 16 (855046) 1 Sealing ring 17 (855097) 1 Cover plate

DESCRIPTION

7742060- 21- 54146518

49456

MB2A, MD2

NOTES S.B

Upd:7/18/2022

Lubricating System

21 MB2A

Upd:7/18/2022

49460

7742060 -21 -54146517 MB2A, MD2

Lubricating System

21

MB2A REF PART NO. QTY 1 (3579044) 1 Oil pump 2 1 housing 3 1 cover 4 (3578566) 1 O-ring 5 (3579077) 1 O-ring 6 1 shaft 7 1 rotor, inner 8 1 rotor, outer 9 941905 2 Spring washer 10 956076 2 Cross recessed screw 11 (3578394) 3 Washer 12 (3578458) 3 Screw 13 (3579043) 1 Gasket 14 (3579045) 1 Flange 15 (3579046) 1 Gasket 16 (3579052) 1 Spring 17 (3579051) 1 Valve 18 (3579059) 2 Screw 19 (3579076) 1 Clamp 20 (3579047) 1 Oil filter 21 855161 1 Gasket 22 (855004) 1 Intermediate housing 23 (3579258) 1 Sealing ring 24 (3578436) 1 O-ring 25 (3578396) 7 Washer 26 (3578462) 7 Screw 27 (3578516) 2 Guide sleeve 28 (3579053) 1 Housing 29 (3579054) 1 Gasket 30 (855201) 4 Spacer tube 31 (3579059) 4 Screw 32 (3578046) 1 Oil dipstick 33 (3578435) 1 O-ring 34 (3578045) 1 Cover 35 (855155) 1 Pressure monitor 36 (3578952) 1 Washer 37 (855200) 1 Screw 38 3579057 1 Gasket

7742060- 21- 54146517 MB2A, MD2

DESCRIPTION

SEE SEC.

NOTES

(3578460)

54146520 (3579257)

54146520 (3579124)

See group 3 See group 3 See group 3 See group 2B

49460

Upd:7/18/2022

Manual Starter

21 MB2A

1 19 16 18

15

17

14 2

3

22

8 4

4 4

6 9 5 7 10

13

11 12

21

20

Upd:7/18/2022

49458

7742060 -21 -54146519 MB2A, MD2

Manual Starter

21

MB2A REF PART NO. QTY 1 (3579098) 1 Housing 2 (3578153) 1 Return spring 3 (3578144) 1 Cable pulley 4 (3578146) 3 Pawl 5 (3578148) 1 Brake plate 6 (3578149) 1 Spring 7 (3578150) 1 Washer 8 (3578152) 1 Spring 9 (3578154) 1 Spacer tube 10 (3578511) 1 Washer 11 (3578456) 1 Screw 12 (3579103) 1 Catch 13 3578367 3 Screw 14 (3578158) 1 Lock ring 15 (3578157) 1 Spring 16 (3579099) 1 Cover plate 17 (3578155) 1 Stop sleeve 18 (3578159) 1 Handle 19 3578367 3 Screw 20 (855036) 1 Protecting casing 21 945358 1 Flange screw 22 (3578161) 1 Starter cord (855227) 1 Starter cord

7742060- 21- 54146519 MB2A, MD2

DESCRIPTION

NOTES

(3579102)

(3578734)

L=1500mm, MO-58335 L=3000mm, MO 58336-

49458

Upd:7/18/2022

Fuel System

23 MB2A

Upd:7/18/2022

49463

7742060 -23 -54146525 MB2A, MD2

Fuel System

23

MB2A REF PART NO. QTY 1 (855186) 1 Carburetor 2 (3579289) 1 Gasket 3 1 o-ring 4 (3578494) 2 Screw 5 (3579291) 1 Float 6 1 shaft 7 (3579290) 1 Float needle 8 (3579296) 1 Mixer tube 9 (855216) 1 Main jet 10 (855185) 1 Screw 11 1 o-ring 12 (3579292) 1 Adjusting screw 13 (3579294) 1 Screw kit 14 3579297 1 Gasket 15 (855018) 1 Flame shield 16 855019 1 Gasket 17 (3579284) 2 Screw 18 942003 1 Hollow screw 19 855054 1 Banjo nipple 20 957171 2 Gasket 21 (855015) 1 Hose 22 (855013) 1 Cover 23 (855107) 1 Inlet manifold 24 955275 3 Hexagon screw 25 941906 3 Spring washer 26 (855172) 1 Fuel pump 27 1 housing 28 (855177) 1 Diaphragm 29 (855175) 1 Spring 30 (855176) 1 Collar 31 (855178) 1 Strainer 32 1 housing 33 (855184) 4 Screw 34 (855170) 1 Spring 35 (855171) 1 Link 36 (3578437) 1 O-ring 37 (855179) 1 Housing 38 (855181) 1 Hollow screw 39 (855182) 4 Gasket 40 (855180) 1 Fuel pipe 41 (855183) 1 Hollow screw 42 (3578487) 2 Screw 43 948958 X Hose 44 (3578412) 2 Clamp 45 (855056) 1 Feed pump 46 954322 2 Fitting nut 47 X pipe 48 841054 1 Fuel filter 49 1 housing 50 841162 1 Filter 51 (826409) 1 Cover 52 190962 1 Nipple 53 954322 1 Fitting nut 54 831630 1 Fuel hose

DESCRIPTION

7742060- 23- 54146525

49463

MB2A, MD2

NOTES

(3579286)

(3579086) L=360mm

(946160)

Upd:7/18/2022

Cooling System, Induction- and Exhaust Manifold

26 MB2A

36

34 35 33

37 38

28

38

28

25 29 28 28

39 39

26

28

27

28 30

4

3

2 5

1

6

7

11 10

12

24

31 32

9

8

49

48

22 43 13 23 52

21

50

15 14

16 18

48 40

17 19

51

45 46

48

42

20 44

47

43 40A 41

Upd:7/18/2022

49467

7742060 -26 -54146524 MB2A, MD2

Cooling System, Induction- and Exhaust Manifold

26

MB2A REF PART NO. QTY 1 (3579090) 1 Inlet manifold 2 (3579089) 1 Gasket 3 (3579287) 1 Plate 4 3579288 1 Gasket 5 (3578119) 1 Thermostat 6 (3578120) 1 Gasket 7 (3579317) 1 Orifice sleeve 8 3579297 1 Gasket 9 (855169) 6 Flange screw 10 (3579163) 1 Clamp 11 (3579093) 1 Screw 12 3579057 1 Gasket 13 (855115) 1 Muffler 14 955282 3 Hexagon screw 15 941906 3 Spring washer 16 (3555397) 1 Water pump housing 17 3551603 1 O-ring 18 (855212) 1 Key 19 (3555413) 1 Impeller 20 (3555414) 1 Plate 21 963694 2 Hex. socket screw 22 (855045) 1 Coolant pipe 23 3554880 2 Pipe seal 24 (192055) X Hose 25 942700 X Hose 26 942700 X Hose 27 942700 X Hose 28 945651 6 Hose clamp 29 (855060) 1 T-pipe 30 (855049) 1 Faucet 31 (897744) 1 Plug 32 897745 1 Gasket 33 (828535) 1 Vacuum valve 34 1 cover 35 1 Diaphragm 36 828424 1 Gasket 37 1 union pipe 38 945651 2 Hose clamp 39 942700 X Hose 40 (855141) 1 Muffler 40A (855144) 1 Exhaust hose 41 828061 2 Retainer 42 961678 4 Hose clamp 43 828461 X Hose 44 (855118) 1 Grommet 45 1 grommet 46 (855114) 1 Nut 47 961670 2 Hose clamp 48 961670 6 Hose clamp 49 (3578412) 1 Clamp 50 (855235) 1 Suction pipe 51 X 52 3554880 1 Pipe seal

7742060- 26- 54146524 MB2A, MD2

DESCRIPTION

NOTES

62°C

See group 2C (3578075)

L=180mm L=295mm L=40mm L=125mm

(828400)

(25534)

(828403)

L=140mm

49467

Upd:7/18/2022

Engine Speed Control

27 MB2A

9 4

16

3 5

2

3

6

15 13

10 12

7

1 3

11

14

8 17

18

21 25

24

15 23

20

22 19

Upd:7/18/2022

49464

7742060 -27 -54146526 MB2A, MD2

Engine Speed Control

27

MB2A REF PART NO. QTY 1 (855112) 1 Choke attachment 2 (855111) 1 Intermediate lever 3 (855187) 3 Washer 4 3578367 1 Screw 5 (855091) 1 Anchorage 6 17253 1 Split pin 7 (855027) 1 Cable clamp 8 955224 1 Hexagon screw 9 (855156) 1 Link rod 10 (855157) 1 Choke rod 11 (855099) 1 Bracket 12 21471054 1 Bracket 13 (956073) 2 Cross recessed screw 14 (1211599) 1 Lock spring 15 X control cable 16 X control 17 (855086) 1 Choke cable 18 (855169) 2 Flange screw 19 (855032) 1 Engine mounting 20 21471054 1 Bracket 21 (831839) 2 Screw 22 (855127) 1 Control lever 23 804312 1 Cube 24 940191 1 Washer 25 907834 1 Split pin

7742060- 27- 54146526 MB2A, MD2

DESCRIPTION

NOTES

See group 9 See group 9

See group 2A

See group 4C See group 4C See group 4C (17276) see group 4C

49464

Upd:7/18/2022

Cables and Cable Terminals

30

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

28

Upd:7/18/2022

22

24

26

23

25

27

29

47602

7742060 -30 -54146528 MB2A, MD2

Cables and Cable Terminals

30

REF PART NO. QTY DESCRIPTION 1 cable 954443 X Electric cable, 5 sq mm black 954444 X Electric cable, 5 sq mm brown 954445 X Electric cable, 5 sq mm red (954446) X Electric cable, 5 sq mm yellow (954447) X Electric cable, 5 sq mm green (954448) X Electric cable, 5 sq mm blue (954449) X Electric cable, 5 sq mm grey (954450) X Electric cable, 5 sq mm ivory (961795) X Electric cable, 5 sq mm ivory/ blue 954451 (954452) (954453) (954455) (954456) (954458) 954461 (954464) (954465) 954467 954469 (954471)

954485

2

3

(954500) 954502 (185501) (185504) (185506) (185507) (185508) (185509) 948210 (335146)

4

5

6 7

942659 942660 (942558) (942661) (942662) 182010 190128 190476 182008 (941412) (956924) (881516) 881492 881493 881508 881494 881504 881506 881495 881496 (881497) 881498 881500

X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X

7742060- 30- 54146528 MB2A, MD2

NOTES

Electric cable, 5 sq mm black Electric cable, 5 sq mm brown Electric cable, 5 sq mm red Electric cable, 5 sq mm green Electric cable, 5 sq mm blue Electric cable, 5 sq mm ivory Electric cable Electric cable Electric cable Electric cable Electric cable Electric cable

Electric cable Electric cable Electric cable Hose Hose Hose Hose Hose Outer casing Cable tie Cable tie

D=9mm, i.d=8mm D=11,5mm, i.d=8mm D=6mm, i.d=5mm D=11mm, i.d=10mm D=16mm, i.d=14mm D=19mm, i.d=15mm (827353) nylon Al

Terminal block Terminal block Terminal block Terminal block Terminal block Coupling piece Coupling piece Coupling piece Coupling piece Coupling piece Terminal Terminal Terminal Terminal Terminal Terminal Terminal Terminal Terminal Terminal Terminal Terminal Terminal

Max 15mm² Max 15mm² Max 15mm² Max 15mm² Max 20mm² For cable area 0,5-1,5 mm², I.d=3,7mm D=5,6mm For cable area 0,5-1,5 mm², I.d=3,5mm D=5,5mm For cable area 1,5-2,5mm²., I.d=4,3mm D=8,7mm For cable area 1,5-2,5mm²., I.d=5,2mm D=8,7mm For cable area 1,5-2,5mm²., I.d=6,7mm D=11,9mm For cable area 1,5-2,5mm²., I.d=8,3mm D=11,9mm For cable area 1,5-2,5mm²., I.d=10,5mm D=15,9mm For cable area 3,0-6,0mm²., I.d=4,3mm D=9,5mm For cable area 3,0-6,0mm²., I.d=5,2mm D=9,5mm For cable area 3,0-6,0mm²., I.d=6,7mm D=12,7mm For cable area 3,0-6,0mm²., I.d=8,3mm D=12,7mm For cable area 3,0-6,0mm²., I.d=10,5mm D=15,4mm For cable area 10,5-16,0mm²., I.d=5,2mm D=15,9mm 47602

Upd:7/18/2022

Cables and Cable Terminals

30

REF PART NO. QTY DESCRIPTION 881501 X Terminal 881502 X Terminal 940337 X Terminal, terminal

8 9

10 11 12 13 14

15 16

17 18 19 20 21 22 23 24 25 26 27 28 29

(949591) 881483 881484 881485 881486

881491 881487 881488 881518 (881509) (881505) (881511) 942429 (956956) 956958 956960 829311 959046 76614 (841234) 673580 941269 958213 958212 (941104) (941105) 945830 945831 1214948 (949181)

X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X

7742060- 30- 54146528 MB2A, MD2

NOTES For cable area 10,5-16,0mm²., I.d=6,7mm D=15,9mm For cable area 10,5-16,0mm²., I.d=8,3mm D=15,9mm For cable area 10,5-16,0mm²., (881507) I.d=10,5mm D=15,9mm For cable area 6,5-10,5mm²., I.d=4,3mm D=8mm For cable area 1,5-2,5mm²., L=7,7mm b=7,6mm For cable area 3,0-6,0mm²., L=7,7mm b=7,6mm For cable area 1,5-2,5mm²., L=7,7mm b=7,6mm For cable area 3,0-6,0mm²., L=7,7mm b=7,6mm For cable area 0,75-2,0mm²., L=7,7mm b=7,6mm For cable area 0,5-1,5 mm², L=6,2mm b=5,6mm For cable area 1,5-2,5mm²., L=7,7mm b=7,6mm For cable area 1,5-2,5mm²., L=15,7mm b=6,3mm For cable area 3,0-6,0mm²., L=15,7mm b=6,3mm For cable area 1,5-2,5mm²., L=10mm b=6,3mm For cable area 1,5-2,5mm²., I.d=4,4mm D=9,8mm For cable area 1,5-2,5mm²., I.d=5,2mm D=8,7mm For cable area 3,0-6,0mm²., I.d=4,4mm D=8mm For cable area 1,5-2,5mm²., I.d=1,8mm L=14,4mm For cable area 3,0-6,0mm²., D=2,6mm L=20,6mm For cable area 0,5-1,5 mm², L=26mm For cable area 1,5-2,5mm²., L=26mm For cable area 3,0-6,0mm²., L=28mm I.d=5,2mm b=6,35mm I.d=9mm

Terminal Terminal Terminal Terminal Terminal

Terminal Terminal Terminal Terminal Terminal Terminal Terminal Terminal Splice Splice Splice Terminal Housing Protective cap Protective cap Terminal cover Plug Housing Housing Housing Housing Socket housing Tab housing Housing Receptacle housing

D=25mm

47602

Upd:7/18/2022

30

Electrical System and Instruments

MB2A

Upd:7/18/2022

49465

7742060 -30 -54146529 MB2A, MD2

Electrical System and Instruments

30

MB2A REF PART NO. QTY 1 (3579118) 1 Bracket 2 (855189) 1 Coil 3 (3579069) 2 Screw 4 (855154) 1 Lighting coil 5 (855169) 2 Flange screw 6 3578367 1 Screw 7 (855191) 1 Bracket 8 (3579154) 1 Clamp 9 (3579382) 1 Flywheel 10 (855166) 1 Ignition control uni 10A (855164) 1 Protective cap 11 (3579058) 2 Screw 12 (855165) 1 Clamp 13 (855195) 1 Impulse sensor 14 (855196) 2 Locating pin 15 (855194) 1 Plate 16 (855198) 2 Screw 17 (3578510) 2 Washer 18 (3578506) 1 Washer 19 (855193) 1 Gear pulley 20 (855155) 1 Pressure monitor 21 (3578952) 1 Washer 22 (855200) 1 Screw 23 (855209) 1 Temperature sensor 24 (855134) 1 Spacer 25 (855135) 1 Brace 26 955269 1 Hexagon screw 27 (855188) 1 Ignition coil 28 (3579116) 1 Nut 29 (3578510) 1 Washer 30 (3579106) 2 Cover 31 (855190) 1 Clamp 32 (3579115) 1 Screw 33 (855192) 1 Screw 34 (855165) 1 Clamp 35 (3579112) 1 Spacer tube 36 (3579117) 2 Nut 37 (855041) 1 Cable trunk 38 (3556308) 1 Housing 39 (3556294) 2 Sleeve 40 (855092) 1 Retainer 41 (3556309) 1 Washer 42 (3579059) 1 Screw 43 (3552613) 2 Nut 44 X cables and terminals 45 (3579075) 2 Spark plug 46 (855222) 1 Rectifier 47 (855247) 1 Fuse 48 (855058) 1 Instrument panel 49 (855167) 1 Clamp 50 (855169) 3 Flange screw 51 (3579137) 2 Guide sleeve

7742060- 30- 54146529 MB2A, MD2

DESCRIPTION

SEE SEC.

NOTES

(3579107) see group 2A

(855140)

54146528

5A 54146527

49465

Upd:7/18/2022

Instrument Panel

30

Upd:7/18/2022

49466

7742060 -30 -54146527 MB2A, MD2

Instrument Panel

REF PART NO. QTY 1 (855058) 1 Instrument panel 2 (855059) 1 Panel 3 (875819) 2 Switch 4 843002 2 Nut 5 (837726) 2 Knob 6 808175 3 Bulb socket 7 819350 3 Sleeve 8 19923 3 Bulb 9 827766 3 Lens 10 (944540) 4 Screw 11 (839128) 1 Plastic plug 12 827597 1 Horn unit 13 (855042) 1 Cable trunk 14 X cables and terminals 15 948210 X Cable tie 16 (855089) 1 Pressure monitor 17 843684 1 Button 18 837533 1 Rubber cap 19 (855087) 2 Washer 20 845071 2 Plug

7742060- 30- 54146527 MB2A, MD2

30 DESCRIPTION

SEE SEC.

NOTES

For coupling 815263, 849716 For coupling 815263, 849716 For coupling 815263, 849716

54146528 (827353)

49466

Upd:7/18/2022

44

Upd:7/18/2022

Intermediate Housing Sail Boat Drive Unit 50S

49470

7742060 -44 -54146531 MB2A, MD2

Intermediate Housing Sail Boat Drive Unit 50S

REF PART NO. QTY DESCRIPTION 1 (855074) 1 Intermediate housing 2 946541 4 Hex. socket screw 3 (855234) 1 Slotted screw 4 955981 1 O-ring 5 (855203) 2 Sealing ring 6 (3555315) 1 Bushing 7 855202 2 Sealing ring 8 855105 1 Corrosion protection 9 963683 1 Hex. socket screw 10 (3555903) 1 Bushing 11 (855126) 1 Gear rod 12 (855044) 1 Axle shaft 13 (855212) 1 Key 14 (3553295) 2 Bearing bushing 15 (3551683) 1 Bearing race 16 (3553294) 1 Needle bearing 17 (3552694) 1 Bearing race 18 1 pinion 19 855077 1 Gasket 20 3555905 1 Gear selector 21 925064 1 O-ring 22 (3555397) 1 Water pump housing 23 (3555414) 1 Plate 24 963684 4 Hex. socket screw 25 963694 2 Hex. socket screw 26 3554880 1 Pipe seal 27 (855123) 1 Compression spring 28 (855127) 1 Control lever 29 804312 1 Cube 30 940191 1 Washer 31 907834 1 Split pin 32 (855043) 4 Bushing 33 (855079) 1 Splined sleeve 34 (3555298) 1 Bushing 35 (955966) 1 Retaining ring 36 (855133) 1 Shim

7742060- 44- 54146531 MB2A, MD2

44 SEE SEC.

NOTES

(855199) (3551500) (3551486)

Replaced by gear set 3576122., (3574628) 54146532

See group 2B See group 2B See group 2B See group 2B See group 2D See group 2D See group 2D (17276) see group 2D

49470

Upd:7/18/2022

44

Upd:7/18/2022

Lower Gear Unit Sail Boat Drive Unit 50S

49468

7742060 -44 -54146532 MB2A, MD2

Lower Gear Unit Sail Boat Drive Unit 50S

44

REF PART NO. QTY DESCRIPTION 1 (855010) 1 Gear housing 2 (3555279) 1 Bushing 3 955981 1 O-ring 4 (855234) 1 Slotted screw 5 1 gear 6 (3555283) 1 Bushing 7 (3551817) 1 Pin 8 (855106) 1 Clutch dog 9 (3555290) 1 Pin 10 (855102) 1 Thrust washer 11 (3555291) 1 Spring 12 (855103) 1 Propeller shaft 13 1 gear 14 (855057) 1 Cover 15 (855158) 2 Sealing ring 16 (3555297) 1 Bushing 17 (3551579) 1 O-ring 18 (3551614) 1 Washer 19 (855083) 1 Drive pin 20 963684 2 Hex. socket screw 21 3555309 1 Propeller nut 22 (3551834) 1 Split pin 23 855077 1 Gasket

7742060- 44- 54146532 MB2A, MD2

SEE SEC.

NOTES

(855199) Replaced by gear set 3576122., (3574670)

Replaced by gear set 3576122., (3574629)

54146531

49468

Upd:7/18/2022

Sail Boat Drive Unit 50S

44

1

2

3

Upd:7/18/2022

49469

7742060 -44 -54146533 MB2A, MD2

Sail Boat Drive Unit 50S

REF QTY 1 1 s-dreive unit 2 1 interm housing 3 1 lower gear unit

7742060- 44- 54146533 MB2A, MD2

44 DESCRIPTION

SEE SEC.

NOTES Ratio 2,83:1

54146531 54146532

49469

Upd:7/18/2022

Bilge Pump, Engine Room Fan

90

1

2

3

4

Upd:7/18/2022

45269

7742060 -90 -54146552 MB2A, MD2

Bilge Pump, Engine Room Fan

90

REF PART NO. QTY 1 828763 X Bilge pump 2 (828797) X Fan 3 X 4 828492 X Ventilation hose

DESCRIPTION

7742060- 90- 54146552

45269

MB2A, MD2

NOTES 12V 12V L=5000mm

Upd:7/18/2022

Control Cables

90

2

1

Upd:7/18/2022

45125

7742060 -90 -54146546 MB2A, MD2

Control Cables

90

REF PART NO. QTY DESCRIPTION 1 (820254) X Control cable (820255) X Control cable (820257) X Control cable (820258) X Control cable (820259) X Control cable (804457) X Control cable (804458) X Control cable (804419) X Control cable (809997) X Control cable (804315) X Control cable (804364) X Control cable 804361 X Control cable (809998) X Control cable (813913) X Control cable 804440 X Control cable (820260) X Control cable (809999) X Control cable (820261) X Control cable (804316) X Control cable 813907 X Control cable (813908) X Control cable (814022) X Control cable (814023) X Control cable (827719) X Control cable (827720) X Control cable 827721 X Control cable (827722) X Control cable (827723) X Control cable (828050) X Control cable 2 control cable for maneuvering Volvo Penta reduction reverse gear (820301) (833709)

X Control cable X Control cable

(820303) (833710)

X Control cable X Control cable

(820305) (833711)

X Control cable X Control cable

(819786) (833712)

X Control cable X Control cable

(819787) (833713)

X Control cable X Control cable

7742060- 90- 54146546 MB2A, MD2

NOTES L=1800mm L=2100mm L=2700mm L=3000mm L=3300mm L=3600mm L=3900mm L=4200mm L=4500mm L=4800mm L=5100mm L=5500mm L=5900mm L=6100mm L=6400mm L=6700mm L=7000mm L=7300mm L=7500mm L=7900mm L=8500mm L=8800mm L=9500mm L=11300mm L=11600mm L=11900mm L=12200mm L=12500mm L=13100mm

L=2100mm For control 833714 type D4., L=2100mm L=2700mm For control 833714 type D4., L=2700mm L=3300mm For control 833714 type D4., L=3300mm L=3900mm For control 833714 type D4., L=3900mm L=4500mm For control 833714 type D4., L=4500mm

45125

Upd:7/18/2022

Control for Top Installation

90

Upd:7/18/2022

49471

7742060 -90 -54146542 MB2A, MD2

Control for Top Installation

90

REF PART NO. QTY DESCRIPTION 1 (851603) 1 Mounting kit 2 839477 1 Cover 3 839479 1 Plate 4 839475 2 Hand lever 5 839693 2 Lock screw 9 947671 6 Hex. socket screw 9A 940090 2 Washer 10 955780 6 Hexagon nut 11 960138 6 Washer 15 851600 2 Control components 16 839641 2 Neutral position con 17 (839619) 2 Cable kit 18 850200 2 Toggle switch 19 X cables and terminals 20 1501832 2 Relay 21 946177 4 Cross recessed screw 22 947536 4 Hexagon nut 23 2 Coupling piece 24 828414 2 Switch (838378) 2 Governor 25 850200 2 Toggle switch 26 X cables and terminals 27 946177 4 Cross recessed screw 28 947536 4 Hexagon nut

7742060- 90- 54146542 MB2A, MD2

SEE SEC.

NOTES For twin installation, Late type

M8

54146545 54146545 54146545

Late type

See group 3

Main station. second station See group 3

49471

Upd:7/18/2022

Control for Top Installation

90

Upd:7/18/2022

49471

7742060 -90 -54146540 MB2A, MD2

Control for Top Installation

REF PART NO. QTY 1 839471 1 Mounting kit 2 839477 1 Cover 3 839479 1 Plate 4 839475 2 Hand lever 5 (946786) 2 Set screw 839693 2 Lock screw 6 (839480) 2 Bracket (839481) 2 Bracket 7 955244 8 Hexagon screw 8 (955946) 8 Toothed washer 9 947671 2 Hex. socket screw 10 955780 10 Hexagon nut 11 960138 2 Washer 12 947672 4 Hex. socket screw 13 955781 4 Hexagon nut 14 960139 4 Washer 15 839469 2 Control mechanism

16 17 18 19 20 21 22 23 24 25 26 27 28

839641 (839619) 850200 1501832 946177 947536 828414 (838378) 850200 946177 947536

DESCRIPTION

SEE SEC.

NOTES For twin installation, Early type

M5 M8 Marked 839480 Marked 839481

54146545 54146545 54146545

components 2 Neutral position con 2 Cable kit 2 Toggle switch X cables and terminals 2 Relay 4 Cross recessed screw 4 Hexagon nut 2 Coupling piece 2 Switch 2 Governor 2 Toggle switch X cables and terminals 4 Cross recessed screw 4 Hexagon nut

7742060- 90- 54146540 MB2A, MD2

90

Early type

See group 3

Main station. second station See group 3

49471

Upd:7/18/2022

Control for Top Installation

90

Upd:7/18/2022

49471

7742060 -90 -54146541 MB2A, MD2

Control for Top Installation

90

REF PART NO. QTY DESCRIPTION 1 (851602) 1 Mounting kit 2 839472 1 Cover 3 839474 1 Plate 4 839475 1 Hand lever 5 839693 1 Lock screw 9 947671 4 Hex. socket screw 9A 940090 2 Washer 10 955780 4 Hexagon nut 11 960138 4 Washer 15 851600 1 Control components 16 839641 1 Neutral position con 17 (839619) 1 Cable kit 18 850200 1 Toggle switch 19 X cables and terminals 20 1501832 1 Relay 21 946177 2 Cross recessed screw 22 947536 2 Hexagon nut 23 1 Coupling piece 24 828414 1 Switch (838378) 1 Governor 25 850200 1 Toggle switch 26 X cables and terminals 27 946177 2 Cross recessed screw 28 947536 2 Hexagon nut

7742060- 90- 54146541 MB2A, MD2

SEE SEC.

NOTES For single installation., Late type

M8

54146545 54146545 54146545

Late type

See group 3

Main station. second station See group 3

49471

Upd:7/18/2022

Control for Top Installation

90

Upd:7/18/2022

49471

7742060 -90 -54146539 MB2A, MD2

Control for Top Installation

REF PART NO. QTY 1 839470 1 Mounting kit 2 839472 1 Cover 3 839474 1 Plate 4 839475 1 Hand lever 5 (946786) 1 Set screw 839693 1 Lock screw 6 (839480) 1 Bracket (839481) 1 Bracket 7 955244 4 Hexagon screw 8 (955946) 4 Toothed washer 9 947671 2 Hex. socket screw 10 955780 6 Hexagon nut 11 960138 2 Washer 12 947672 2 Hex. socket screw 13 955781 2 Hexagon nut 14 960139 2 Washer 15 839469 1 Control mechanism

16 17 18 19 20 21 22 23 24 25 26 27 28

839641 (839619) 850200 1501832 946177 947536 828414 (838378) 850200 946177 947536

DESCRIPTION

SEE SEC.

NOTES For single installation., Early type

M5 M8 Marked 839480 Marked 839481

54146545 54146545 54146545

components 1 Neutral position con 1 Cable kit 1 Toggle switch X cables and terminals 1 Relay 2 Cross recessed screw 2 Hexagon nut 1 Coupling piece 1 Switch 1 Governor 1 Toggle switch X cables and terminals 2 Cross recessed screw 2 Hexagon nut

7742060- 90- 54146539 MB2A, MD2

90

Early type

See group 3

Main station. second station See group 3

49471

Upd:7/18/2022

Control Mechanism

90

Upd:7/18/2022

45260

7742060 -90 -54146543 MB2A, MD2

Control Mechanism

REF PART NO. QTY DESCRIPTION 1 839469 1 Control mechanism components 2 1 housing 3 1 shaft 4 (839635) 1 Washer 5 (839637) 1 Screw 6 (839668) 1 Link arm 7 839700 1 Retainer 8 (839667) 1 Washer 9 839664 1 Screw 10 1 11 (839636) 1 Eccentric 12 839699 1 Roller 13 (839633) 1 Engagement lever 14 (839639) 1 Breaker arm 15 (839635) 1 Washer 16 (839637) 1 Screw 17 839638 2 Cube 18 17253 2 Split pin 19 839632 1 Button 20 839640 1 Vibration damper 21 (839666) 1 Washer 22 963104 1 Lock nut 23 (839701) 1 Bushing

7742060- 90- 54146543 MB2A, MD2

90 NOTES Top-mounted replaced by 851600., Side-mounted replaced by 851601., Early type

45260

Upd:7/18/2022

Control Mechanism

90

Upd:7/18/2022

45260

7742060 -90 -54146545 MB2A, MD2

Control Mechanism

REF PART NO. QTY 1 851601 1 Control components 2 housing 3 shaft

7742060- 90- 54146545 MB2A, MD2

90 DESCRIPTION

NOTES For side-mounting., Late type

45260

Upd:7/18/2022

Control Mechanism

90

Upd:7/18/2022

45260

7742060 -90 -54146544 MB2A, MD2

Control Mechanism

REF PART NO. QTY 1 851600 1 Control components 2 housing 3 shaft

7742060- 90- 54146544 MB2A, MD2

90 DESCRIPTION

NOTES For top mounting, Late type

45260

Upd:7/18/2022

Control, Side Mount

90

11

8 7 12

9 1

6

10

3

14

2

13

4 5

Upd:7/18/2022

49474

7742060 -90 -54146535 MB2A, MD2

Control, Side Mount

REF PART NO. QTY 1 839515 1 Mounting kit 2 839518 1 Cover 3 839520 1 Hand lever 4 (946786) 1 Set screw 839693 1 Lock screw 5 955142 4 Cross recessed screw 6 839469 1 Control mechanism

7 8 9 10 11 12 13 14

839641 (839619) 850200 1501832 946177 947536

DESCRIPTION

SEE SEC.

NOTES Early type

M5 M8 54146545 54146545 54146545

components 1 Neutral position con 1 Cable kit 1 Toggle switch X cable and terminals 1 Relay 2 Cross recessed screw 2 Hexagon nut 1 Coupling piece

7742060- 90- 54146535 MB2A, MD2

90

Early type

See group 3

49474

Upd:7/18/2022

Control, Side Mount

90

11

8 7 12

9 1

6

10

3

14

2

13

4 5

Upd:7/18/2022

49474

7742060 -90 -54146538 MB2A, MD2

Control, Side Mount

REF PART NO. QTY 1 (851605) 1 Mounting kit 2 839518 1 Cover 3 839521 1 Hand lever 4 839693 1 Lock screw 5 955142 4 Cross recessed screw 6 851601 1 Control components 7 839641 1 Neutral position con 8 (839619) 1 Cable kit 9 850200 1 Toggle switch 10 X cable and terminals 11 1501832 1 Relay 12 946177 2 Cross recessed screw 13 947536 2 Hexagon nut 14 1 Coupling piece

7742060- 90- 54146538 MB2A, MD2

90 DESCRIPTION

NOTES For sail boat., Early type For sail boat.

M8 Late type

See group 3

49474

Upd:7/18/2022

Control, Side Mount

90

11

8 7 12

9 1

6

10

3

14

2

13

4 5

Upd:7/18/2022

49474

7742060 -90 -54146537 MB2A, MD2

Control, Side Mount

90

REF PART NO. QTY 1 851604 1 Mounting kit 2 839518 1 Cover 3 839520 1 Hand lever 4 839693 1 Lock screw 5 955142 4 Cross recessed screw 6 851601 1 Control components 7 839641 1 Neutral position con 8 (839619) 1 Cable kit 9 850200 1 Toggle switch 10 X cable and terminals 11 1501832 1 Relay 12 946177 2 Cross recessed screw 13 947536 2 Hexagon nut 14 1 Coupling piece

DESCRIPTION

7742060- 90- 54146537

49474

MB2A, MD2

NOTES Late type

M8 Late type

See group 3

Upd:7/18/2022

Control, Side Mount

90

1

11

9

10

8

7 6

20

5 19

21

15 14 18

16

18

17

13 12

11

10 20 21

27 24

25

28

22

29 23

2

3 4 26

Upd:7/18/2022

45682

7742060 -90 -54146534 MB2A, MD2

Control, Side Mount

REF PART NO. QTY 1 851740 1 Control 2 1 cover 3 1 cover 4 1 5 1 shaft 6 (839701) 1 Bushing 7 1 link 8 839699 1 Roller 9 1 eccentric 10 (839635) 2 Washer 11 (839637) 2 Screw 12 (839639) 1 Breaker arm 13 (839633) 1 Engagement lever 14 839700 1 Retainer 15 839664 1 Screw 16 (839666) 1 Washer 17 963104 1 Lock nut 18 2 19 839632 1 Button 20 839638 2 Cube 21 17253 2 Split pin 22 839520 1 Hand lever 23 839693 1 Lock screw 24 (3576182) 2 Cover 25 1 decal 26 (3576249) 1 Decal 27 (851936) 4 Rubber expander 28 (851937) 4 Screw 29 (3552006) 1 Allen wrench

7742060- 90- 54146534 MB2A, MD2

90 DESCRIPTION

45682

Upd:7/18/2022

Control, Side Mount

90

11

8 7 12

9 1

6

10

3

14

2

13

4 5

Upd:7/18/2022

49474

7742060 -90 -54146536 MB2A, MD2

Control, Side Mount

REF PART NO. QTY 1 839516 1 Mounting kit 2 839518 1 Cover 3 839521 1 Hand lever 4 (946786) 1 Set screw 839693 1 Lock screw 5 955142 4 Cross recessed screw 6 839469 1 Control mechanism

7 8 9 10 11 12 13 14

839641 (839619) 850200 1501832 946177 947536

DESCRIPTION

SEE SEC.

NOTES For sail boat., Early type For sail boat.

M5 M8

54146545 54146545 54146545

components 1 Neutral position con 1 Cable kit 1 Toggle switch X cable and terminals 1 Relay 2 Cross recessed screw 2 Hexagon nut 1 Coupling piece

7742060- 90- 54146536 MB2A, MD2

90

Early type

See group 3

49474

Upd:7/18/2022

Folding Propeller: 855237

90 MB2A

1

3

8

7

4

6 5

2

Upd:7/18/2022

49472

7742060 -90 -54146550 MB2A, MD2

Folding Propeller: 855237

90

MB2A REF PART NO. QTY 1 (855237) 1 Propeller 2 1 propeller hub 3 (855246) 1 Propeller blade 4 (855245) 2 Pin 5 (855243) 1 Washer 6 (855242) 1 Lock nut 7 (855244) 2 Lock screw 8 839693 2 Lock screw

DESCRIPTION

7742060- 90- 54146550

49472

MB2A, MD2

NOTES 11X8

Upd:7/18/2022

Tools

90

Upd:7/18/2022

49473

7742060 -90 -54146551 MB2A, MD2

Tools

90

REF PART NO. QTY 1 (3579273) 1 Tool kit 2 1 Screwdriver 3 1 Screwdriver 4 1 Screwdriver 5 1 Screwdriver 6 (3578542) 1 Open-end wrench (3578543) 1 Open-end wrench 7 (3578360) 1 Open-end wrench 8 (3578547) 1 Handle 9 (3578548) 1 Socket wrench 10 (3578544) 1 Pliers 11 (3578160) 1 Starter cord

DESCRIPTION

7742060- 90- 54146551

49473

MB2A, MD2

NOTES MB2

9-12mm 10-12mm 8mm

MB2

Upd:7/18/2022

Repair Kits

99

MB2A REF PART NO. QTY 1 875670 1 Gasket kit, recondition 855161 (3578436) (3579043) (3579046) (3579054) (3578435) 3579297 855019 957171 3554880 3551603 925064

1 1 1 1 1 1 1 1 2 2 1 1

Gasket, oil pan O-ring, cyl.head Gasket, oil pump Gasket, oil filter Gasket, oil refill O-ring, oil dipstick Gasket, carburetor Gasket, flame arrestor Gasket, hollow bolt Pipe seal, water pipe O-ring, water pump O-ring, interm. housing

955981

1

O-ring, interm. housing

855077 (3578566) (3579077)

1 1 1

Gasket, gear unit O-ring, oil pump O-ring, oil pump

(875669)

1 De-carbonizing kit, decarbonizing

3579040 3579392 3579073 (855182) (3578437) 3579288 (3579089) 3579057

1 1 1 4 1 1 1 1

7742060- 99- 54146553 MB2A, MD2

Gasket, valve cover Cylinder head gasket, cyl. head O-ring, cyl. block Gasket, fuel pipe O-ring, fuel pump Gasket, inlet manifold Gasket, inlet manifold Gasket, muffler

DESCRIPTION

NOTES

(3579038)

Upd:7/18/2022

Engine

21 DESCRIPTION

Camshaft and Valve Mechanism Crankshaft and Related Parts Cylinder Block Cylinder Head Engine and Installation Components Engine Suspension Lubricating System Manual Starter

7742060- 21- 21 MB2A, MD2

SEE SEC. 54146515 54146522 54146520 54146516 54146521 54146518 54146517 54146519

NOTES MB2A MB2A MB2A MB2A MB2A MB2A MB2A MB2A

Upd:7/18/2022

Fuel System

23 DESCRIPTION

Fuel System

7742060- 23- 23 MB2A, MD2

SEE SEC. NOTES 54146525 MB2A

Upd:7/18/2022

Cooling System

DESCRIPTION Cooling System, Induction- and Exhaust Manifold

7742060- 26- 26 MB2A, MD2

26 SEE SEC. NOTES 54146524 MB2A

Upd:7/18/2022

Engine Controls

27 DESCRIPTION

Engine Speed Control

7742060- 27- 27 MB2A, MD2

SEE SEC. NOTES 54146526 MB2A

Upd:7/18/2022

General, Electrical System

30 DESCRIPTION

Cables and Cable Terminals Electrical System and Instruments Instrument Panel

7742060- 30- 30 MB2A, MD2

SEE SEC. NOTES 54146528 54146529 MB2A 54146527

Upd:7/18/2022

Marine Propulsion

44 DESCRIPTION

Intermediate Housing Sail Boat Drive Unit 50S Lower Gear Unit Sail Boat Drive Unit 50S Sail Boat Drive Unit 50S

7742060- 44- 44 MB2A, MD2

SEE SEC. 54146531 54146532 54146533

Upd:7/18/2022

General, Hydraulic System, Special Functions, Miscellaneous

DESCRIPTION Bilge Pump, Engine Room Fan Control Cables Control for Top Installation Control for Top Installation Control for Top Installation Control for Top Installation Control Mechanism Control Mechanism Control Mechanism Control, Side Mount Control, Side Mount Control, Side Mount Control, Side Mount Control, Side Mount Folding Propeller: 855237 Tools

7742060- 90- 90 MB2A, MD2

90 SEE SEC. NOTES 54146552 54146546 54146542 54146540 54146541 54146539 54146543 54146545 54146544 54146535 54146538 54146537 54146534 54146536 54146550 MB2A 54146551

Upd:7/18/2022

Miscellaneous, Repair Kits

99 DESCRIPTION

Repair Kits

7742060- 99- 99 MB2A, MD2

SEE SEC. NOTES 54146553 MB2A

Upd:7/18/2022

MB2A, MD2

REF 21 23 26 27 30 44 90 99

DESCRIPTION Engine Fuel System Cooling System Engine Controls General, Electrical System Marine Propulsion General, Hydraulic System, Special Functions, Miscellaneous Miscellaneous, Repair Kits

7742060- - TOC MB2A, MD2

SEE SEC. 21 23 26 27 30 44 90 99

Upd:7/18/2022