Installation manual

ManualsBrandsWesterbeke ManualsAutomotive11A-1

FUEL

SYSTEM

DIESEL

FUEL

Use

No.2

diesel

fuel

with

a

cetane

rating

of

45

or

higher.

Do

not

use

kerosene

or

home

heating

fuel.

FUEL

ADDITIVES

If

fungus

or

bacteria

is

causing

fuel

problems,

you

should

have

an

authorized

dealer

correct

these

problems.

Then

use

a

diesel

fuel

biocide

to

sterilize

the

fuel

(follow

the

manufacturer's

instructions).

Also

use,

on

a

regular

basis,

a

fuel

conditioner

such

as

STA-BIL.

Follow

the

manufacturer's

instructions

for

the

quantity

to

add.

CARE

OF

THE

FUEL

SUPPLY

Use

only

clean

diesel

fuel!

Purchase

a

well-known

brand

of

fuel.

The

clearance

of

the

components

in

your

fuel

injection

pump

is

very

critical;

invisible

dirt

particles

which

might

pass

through

the

filter

can

damage

these

fmely

fmished

parts.

It

is

important

to

buy

clean

fuel

and

keep

it

clean.

The

best

fuel

can

become

unsatisfac-

tory

by

careless

handling

or

improper

storage

facilities.

To

assure

that

the

fuel

going

to

your

engine

is

clean

and

pure,

be

sure

to

filter

it

properly.

Install

and

regularly

service

a

good

Coast-Guard

approved

fuel

filter/water

separator

having

a

filter

element

with

a

micron

rating

of #2

or

# 1

O.

Install

it

between

the

fuel

tank

and

the

engine.

FUEL

LIFT

PUMP

To

assure

proper

suction,

the

engine's

fuel

lift

pump

should

not

be

more

than

1

ft

(300

mm)

above

the

bottom

of

the

fuel

tank

pickup

FUEL

FILTER

The

frequency

of a

fuel

filter

change

depends

on

the

degree

of

contamination

of

the

fuel,

however

it

should

be

performed

at

least

after

every

100

hours

of

engine

operation.

Replacing

the

fuel

filter

1.

Clean the fuel line with a rag and clamp it off between

the

fuel

lift pump and the fuel

filter.

2.

Pull

off the inlet and outlet lines from

the

filter.

Make

sure dirt does not enter the

fuel

lines. Discard the

used

filter.

3. Install the new filter, making sure the

flow

arrow

on

the

filter housing is pointed in the proper direction.

Push

the

fuel

lines

as

far

as

possible onto the connection nipples

of the

new

filter.

After

installing

the

new

filter,

bleed

the

air

from

the

fuel

lines

using

the

manual

fuel

primer

(see

BLEEDING

mE

FUEL

SYSTEM).

tube.

OUTLET

Periodically

check

the

fuel

connections

to

and

from

the

fuel

lift

pump

and

make

sure

that

no

leakage

is

preSent

and

that

the

fittings

are

tight

and

secure.

A

WARNING:

Fuel

leakage

at

the

fuel

litt

pump

or

its

connections

is a

fire

hazard

and

should

be

corrected.

Make

sure

proper

"entilation

exists

whene"er

sellficing

fuel

system

components.

The

fuel

lift

pump

has

two

filter

inserts

in

the

pump's

cap.

To

clean

or

replace

them,

unscrew

the

cap

and

retaining

plate,

and

remove

the

two

filter

inserts.

Note

the

disassembly

sequence

to

ensure

proper

reassembly.

FUEL

LIFT

PUMP

Engines & Generators

25