Westerbeke 15.0KW -60Hz EDT Instrukcja Operatora Pobierz pdf (Strona 55)

100

Fililhe

fresh water

~v"t'''Tl

follows:

Remove the pressure cap from the manifold,

Pour a clean, fresh waler coolant mixture into the manifold and allow enough time for the coolant to fill the

fresh water cooling system and expel all

aiL

3, Replace the pressure cap on the manifold,

Remove the plastic cap from the coolant recovery tank and fill the

lank

with coolant halfway between the

ADD

mark and the

MAX

mark

Replace Ihe cap on the

man~old,

Start and run the engine long enough for the engine

warm

so that the thermostat will open, allowing

the coolant

flow through the engine block and

the rest of the fresh water cooling system,

Add coolant

the recovery tank, as required, to top off the fresh water cooling system,

Thermostat

Generally, thermostats are

two

types, One is simply a choking device which opens and closes as the

engine's temperature rises and

falls, The second type has a bypass mechanism, Usually this

a disc on

the bottom

the thermostat which moves downward

close off an internal bypass passage within the head,

Since

1980, each type

thermostat has a hole punched through

The hole

a bypass

prevent the ex-

haust manifold from overheating during the engine's warm-up, Replacement thermostats must have this

design characteristic.

Sea

Waler

Circuit

The sea waler flow

created by a belt-driven, positive displacement, neoprene impeller pump,

draws sea water directly from the ocean

The pump

through the sea

cock

and sea water strainer

and

passes

the

water

the

heal

exchanger's sea water

inlet

The sea water

passes through

Ihe

heat exchanger's tubes,

from which heat from the fresh water system

absorbed and then

discharged from the

cooling

system

overboard

through

the

water -injected wet exhaust

system,

A zinc anode,

pencil, is located in the sea

water

cooling circuit within the heat ex-

changeL The purpose

the zinc anode

to sacrifice itself 10 electrolysis action taking

place in the sea water cooling circuit, there-

by reducing the effects

electrolysis on

other components

the

system

The con-

dition

the zinc anode should be checked

monthly and the anode cleaned or replaced,

as required, Spare anodes should be car-

ried on board,

Ell

ANODE

REPLACE

Zinc Anode Conditions

CLEAH

REPLACE

Wes!erbeke Generators

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Westerbeke 15.0KW -60Hz EDT Instrukcja Operatora Strona 55

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