Westerbeke M-50B Manual de instalación descargar pdf (Pagina 50)

UNIVERSAL

MARINE

ENGINES

SPECIFICATIONS

Description

M·35B,

M-48B,

M·50B

Description

M3·2DB,

M·25XPB

Displacement

M3·20B

M·25XPB

M·35B

M-48B

M·50B

Aspiration

Combustion

Chamber

Bore

&

Stroke

M3·208

M·25XPB

M·35B

M-48B

M·50B

Compression

Ratio

Firing

Order

M3·20B,

M·25XPB

M·35B

,M-48B,

M·50B

Weight

M3·2DB

M·25XPB

M·35B

M-48B

M·50B

Direction

of

Rotation

GENERAL

Diesel,

four-cycle,

four-cylinder,

fresh

water-cooled,

Vertical,

in-line

overhead

valve

mechanism.

Diesel,

four-cycle,

three-cylinder,

fresh

water-cooled,

Vertical,

in-line

overhead

valve

mechanism.

Cubic

Inches

[Uters)

43.8

(7177)

61.2

[t

.000)

81.47

[1.335)

91.41

[1.498)

113.32

[1.857)

Naturally

aspirated

Spherical

type,

three

vortex

system

Inches

[mm)

2.64

x

2.68

[67

x

68.0)

2.99

x

2.90

[76

x

73.6)

2.99

x

2.90

[76

x

73.6)

2.09

x

3.09

[78

x

78.4)

3.15

x

3.64

[80

x

92.4)

23:1

1

·2·3

1·3·4·2

lbs

[Kg]

with

transmission

241

[110.0)

295

[134.0)

352

[159.0)

356

[161.5)

529

[240.0)

Clockwise

when

viewed

from

the

front

LUBRICATION

SYSTEM

Description

Lube

Oil

filter

Lubrication

Capacity

M3·2DB,

M·25XPB

M·35B

M-48B

M·50B

Operating

Oil

Pressure

(engine

hot)

Oil

Grade

Forced

lubrication

by

gear

pump

Full

flow,spin

on

filter

element

Quarts

[Uters)

4.0

[3.8)

4.0

[3.8)

4.5

[4.3)

10.5

[9.9)

42·64

psi

(294

•

441

Kpa)

at

rated

speed

API

Specification

CF,

CG-4,

CH-4

or

CI·4

SAE

15W-40

all

season

oil.

Transmission

Specifications:

Refer

to

the

TRANSMISSION

SECTION

in

this

manual.

COOLING

SYSTEM

Description

Operating

Temperature

Fresh

Water

Pump

Raw

Water

Pump

Raw

Water

Flow

Rate

Coolant

Capacity

M3·20B

M-25XPB

M-35B

M-48B

M-50B

Description-type

Fuel

Nozzl,

Type

Fuel

Injection

Pump

fuel

fuel

Lift

Pump

Fresh

water-cooled

block,

thermostatically-

controlled

with

heat

exchanger.

150'

-170'

f (66'

-77'

C)

Centrifugal

type,

metal

impeller,

belt-driven.

Positive

displacement,

rubber

impeller,

belt-driven.

8.0

GPM

(30.2

litres)

at

3000

rpm.

Quarts

[Liters]

3.75

[3.5)

4.0

[3.8)

6.0

[5.6)

4.5

[4.3)

12.0

[11.4)

FUEL

SYSTEM

Open

flow,

self

priming

[Bosch)

throftle

type

In-line

plunger

type

[Bosch)

No.2

diesel

oil

[centan,

rating

of

45

or

higher)

12

volt

5'

lift

capacity

solid

stat,

ELECTRICAL

SYSTEM

Starting

Baftery

Baftery

Capacity

DC

Charging

Alternator

Starting

Aid

Starter

Alternator

12

Volt,

H

negative

ground.

600

-

800

Cold

Cranking

Amps

(CCA).

51

Amp

rated,

belt

driv'n

Glow

plugs,

sheathed

type

12

Volt.

reduction

gear

51

Amp

with

internal

regulation,

set

volts

at

14.7

max.

TUNE-UP

SPECIFICATIONS

Compression

Pressure

[at

250

RPM)

M3-208,

M·25XPB

M·35B,

M-48B

M-50B

Injection

Pressure

Engine

TIming

(spill)

Valve

Clearance

(,ngine

COLD)

M3·20B~

M·25XPB

]

M·35B

r-

M-48B.-.J

M·50B----

412

-

469

PSI

[2.84

-

3.23

MPal

512

-

540

PSI

[35.3

-

37.2

MPa)

1991

PSI

[13.73

MPa)

static

timed

18' -20'

BTDC

Inches

[mm)

0.0057

-

0.0072

IN

[0.145

-

0.185mm[

0.0071·

0.0087

IN

[0.18

-

0,22mmJ

MARINE

POWER

••

Univorsal

44

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