Westerbeke W-70GA Manual de instalación descargar pdf (Pagina 15)

ENGINE

BREAK-IN

PROCEDURE

DESCRIPTION

Although your engine

has

experienced a minimum of

one

hour of test operations at the factory

to

make sure accurate

assembly procedures were followed

and

that the engine

operated

properly,

a break-in time

is

required. The service

life of

your

engine

is

dependent

upon

how

the engine

is

operated

and

serviced during

its

initial 50 hours of

use.

Breaking-in a

new

engine basically involves seating the

piston

rings

to

the cylinder walls. Excessive

oil

consumption

and

smoky

operation indicate that the cylinder

walls

are

scored,

which

is

caused

by

overloading the engine during

the

break-in

period.

Your

new

engine requires approximately 50

hours

of

initial

conditioning operation

to

break

in

each moving part

in

order

to

maximize the performance and service life of the engine.

Perform

this

conditioning carefully, keeping

in

mind the

following:

1.

Start

the

engine according

to

the

STARTING

PROCEDURE section.

Run

the engine at fast idle

while

checking that

all

systems (raw water

pump,

oil pressure,

battery

charging) are functioning.

2.

Allow

the

engine

to

warm

up

(preferably

by

running at

fast

idle)

until the water temperature gauge moves into

the

130

-

140

0

P

(55

- 60°C) range.

3.

While

using

the

vessel,

run

the

engine at

various

engine

speeds

for

the

fIrst

25

hours.

Avoid

prolonged periods of

idling.

4.

Avoid

rapid acceleration, especially

with

a cold

engine.

5.

Use

caution

not

to

overload the engine.

The

presence of

a

grey

or black exhaust

and

the inability of

the

engine

to

reach

its

full

rated speed

are

signs

of

an

overload.

6.

During

the

next

25

hours,

the

engine

may

be

operated

at

varying engine speeds,

with

short runs

at

full

rated

rpm.

Avoid

prolonged idling during this break-in

period.

CHECK

LIST

o Monitor

the

control

panel

gauges.

o Check

for

leaks

of

fuel

and

engine

oil.

o Check

for

abnormal

noise

such

as

knocking,

friction,

vibration

and

blow-back sounds.

o

ConfIrm

exhaust

smoke:

When

the

engine

is

cold

-

white

smoke.

When the engine

is

warm

- almost smokeless.

When

the

engine

is

overloaded

-

some

black

smoke

and

soot

NOTE:

See

the

TRANSMISSION section

of

this manualfor

break-in information

on

your transmission.

Engines &

Generators

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