Westerbeke 15.0KW -60Hz EDT Manual do Operador descarregar pdf (Página 56)

100

Sea

Water

The

sea

water pump is a bell-driven pump with a non-ferrous

impelier.

The impeller

has

flexible vanes which wipe against a curved cam within the

im""I1,,,

lU'U",IlU.

producing the pumping action. On

account should this pump be

run

dry. There should always

spare impeller and impeller cover gasket on board

(an

impeller kil).

Alternator (DC) and Water Pump Drive Belt Tension

Never

attempt

adjust the drive belt's tension while the engine

operation.

CAUTION

Excessive alternator and water

pump

drive belt tension can cause rapid wear of the belt and

reduce the service

life of the fresh water

pump

and alternator shaft bearings. Excessive slack

the presence

oil on the belt

can

cause bell slipping, resulting in high operating tempera-

tures, as well as insufficient alternator output.

The alternator and water

pump

drive belt is properly adjusted if the belt can be deflected

less

than

3/8

inch and

more than 1/2 inch

(10

mm, 12 mm) as the belt is depressed with the

thumb

the

midpoint

be-

tween the

two

pulleys

the longest span

the belt. (See the figure below.) A spare drive belt should be

carried on board.

Alternator and Water

Belt

Tension

Westerbeke

Generators

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