Westerbeke 20B TWO/30B THREE Manuel de service télécharger pdf (Page 12)

20B

TWO

MARINE DIESEL

SYSTEM

SPECIFICATIONS

FUEL

SYSTEM

General

Fuel

Injector

Pump

Engine

Timing

(spill timing)

Injector

Pressure

Nozzle

Lift

Pump

PN

037818

Air cleaner

Air Flow

(engine

combustion)

COOLING

SYSTEM

General

Operating Temperature

Fresh

Water

Pump

PN

037015

Raw

Water

Pump

PN

033636

Raw

Water

Flow,

at

3600

rpm

(measured

before discharging

into exhaust

elbow)

System

Capacity

(fresh

water)·

LUBRICATION

SYSTEM

General

Westerbeke Engines

Open

flow - totally self-bleeding,

manual

priming.

No.2

Diesel

(cetane

#

45

or better).

In-line plunger type (Bosch type).

19°

±1°

BTDC

Static

1991

psi

(140

kg/cm2)

Throttle type.

12-volt

DC;

lift capacity 5

ft

(1.5

m)

Plastic

screen

type - cleanable.

40.6

cfm

(1.1

cmm)

Fresh

water-cooled block,

thermostatically-controlled

with heat exchanger.

170

-

190°

F

(77

-

88°

C)

Centrifugal type,

metal

impeller, belt-driven.

Positive displacement, rubber

impeller,

mechanically-driven.

11.1

U.S.

gpm

(42

Ipm)

approximate.

2.9

qts

(2.7

liters)

Pressure

type by Trochoid pump,

gear-driven, with

external

pressure relief

valve.

10

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