Daewoo ST Series Instruções de Operação descarregar pdf (Página 20)

3.3.1. Initial two hours of break-in

For the first five to ten minutes of operation, operate engine at a fast idle (below 1,500 rpm).

During the remaining first two hours of operation, accelerate to bring boat onto plane quickly and

bring throttle back to maintain a planing attitude. During this period, vary the engine speed

frequently by accelerating to approximately three-fourths throttle (1700 ~ 1800 rpm) for two to

three minutes, then back to minimum planing speed (700 ~ 750 rpm).

After the engine has reached operating temperature, momentarily reduce engine speed, then

increase engine speed, to assist the break-in of rings and bearings. Maintain planing boat attitude

to avoid excessive engine load.

Note : Do not run engine at any constant rpm for prolonged periods of time for this initial

two hours of break-in.

3.3.2. Next 8 Hours

During the next 8 hours, continue to operate at approximately three-fourths throttle or less

(Minimum planning speed). Occasionally reduce throttle to idle speed for a cooling period. During

this 8 hours of operation, it is permissible to operate at full throttle for periods of less than two

minutes only 2 times.

Note : Do not run engine at a constant rpm for prolonged periods of time during the break-

in period.

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552

32 2555530 30 30 530 5 510

100%

75%

50%

25%

min. min.

30 30 30 30

min.

EC5OM126

Initional Break-In of DAEWOO Marine Engines

(Load)

Idle

Running Time

Total 50 hours Initial Break-In of DAEWOO marine Engines

During 20 hours

Last additional 30 hours

And then Next 10 hoursUp to Next 8 hours

Up to 2 hours

Repeat again Repeat again Repeat again

Repeat again

Fast Idle

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Daewoo ST Series Instruções de Operação Página 20