Westerbeke 55A FOUR Manual de Instalação descarregar pdf (Página 21)

FUEL

SYSTEM

WARNING:

Shut

off

the

fuel

valve

the

tank

when

servicing

the

fuel

system.

Take

care

catching

any

fuel

that

may

spill.

NOT

allow

any

smoking,

open

flames

other

sources

fire

near

the

fuel

system

when

servicing.

Ensure

proper

venti-

lation

exists

when

servicing

the

fuel

system.

FUEL

FILTERS

The fuel injection pump and the fuel injectors are

precisely manufactured and they must receive clean

diesel fuel, free from water and dirt. To ensure this flow

clean fuel, the fuel must pass through at least two fuel

filters, a fuel/water separator and the engines spin-on fuel

filter. Visually inspect, clean, and change these filters

according to the maintenance schedule in this manual.

O-RING----

SPIN-ON

FUEL

FILTER-_---JI~~~

Shut fuel supply off.

Loosen the fuel filter, turning counterclockwise with

a filter wrench.

Using a rag, wipe clean the sealing face on the

housing bracket so the new filter can be seated

properly.

4. Lightly oil the sealing O-ring on the

new filter.

To reinstall, turn the filter assembly counterclockwise

carefully until the O-ring contacts the sealing surface

the housing bracket. Turn 2/3 further with the filter

wrench.

5. Turn on the fuel and manually prime the fuel filter

using the priming pump on top

ofthe

housing. Use

a slow steady pumping action until resistance is felt.

The filter is now primed and the engine is ready

to start.

NOTE:

The cartridge contains fuel. Take care

not

to spill

during disassembly. Peiform the "fuel system

air

bleeding" after replacing the spin-on filter.

FUEL

WATER

SEPARATOR

A primary fuel filter

the water separating type must be

installed between the fuel tank and the engine to remove

water and other contaminants from the fuel before they

can be carried to the fuel system on the engine.

Most installers include a type

filter/water separator

with the installation package

they are aware

the

problems that contaminants in the fuel can cause.

A typical fuel filter/water separator is illustrated in this

diagram. This is the Raycor Model

500 MA. Keep in

mind that

a water separator type filter is not installed

between the fuel supply tank and engine-mounted fuel

system, any water in the fuel will affect the fuel pump,

engine filter, and injection equipment. The ownerl

operator is responsible for making certain the fuel

reaching the engine's injection equipment is free

impurities. This process is accomplished by installing

and maintaining a proper filtration/separation system.

FILTER/WATER

/SEPARATOR

FUEL

INJECTION

PUMP

CONTROL

The fuel injection pump is precisely adjusted; most

the adjustments are sealed, so be careful not to break

them. When an adjustment is necessary, contact your

WESTERBEKE dealer.

NOTE:

There is no warranty on engines with broken high

rpm governor adjustment seals.

NOTE:

The idle adjustment screw can be readjusted

pro-

vide for a satisfactory idle speed with each specific installa-

tion.

f"VtTf

WESJERBEKE

(Engines

& Generators

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