Westerbeke 55A FOUR Manual de Instalação descarregar pdf (Página 15)

BREAK-IN

PROCEDURE

THE

FIRST

HOURS

Although your engine has experienced a minimum

one

hour

test operations to ensure accurate assembly and

proper operation

all systems, break-in time is required.

The service life

your engine is dependent upon how

the engine is operated and serviced during its initial

hours

use.

Your new engine requires approximately

50 hours

ini-

tial conditioning operation to break in each moving part

in order to maximize the performance and service life

the engine. Perform this conditioning carefully, keeping

in mind the following:

1. Start the engine according to the Starting Procedure

section in this manual; 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°F range.

3. While using the vessel, run the engine at varying en-

gine speeds for the first

hours.

4. A void rapid acceleration, especially with a cold

engine.

Use caution not to overload the engine. The presence

a gray or black exhaust, and the inability

the

engine to reach its full rated speed, are signs

overload.

6. During the next 25 hours, the engine may be operated

at varying engine speeds, with short runs at full rated

rpm. A void prolonged idling during this break-in pe-

riod.

Breaking-in a new engine basically involves seating

the piston rings to the cylinder walls. This cannot be

accomplished by long periods

running at idle, nor by

early running at full rpm. Idle running may glaze the

cylinder walls, resulting in excessive oil consumption

and smoky operation. Excessive speed

heavy over-

loading, especially with a cold engine, may cause scoring

the cylinder walls, producing similar results. Operate

the engine in moderation during the

50-hour break-in pe-

riod. (Don't baby the engine, but do not abuse it.)

NOTE:

See the Transmission section

this manual

for

break-in information on your transmission.

rVtTl

WESJERBEKE

Engi_s

& Generators

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 43 44

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