Westerbeke 46 Manual do Operador descarregar pdf (Página 42)

ENGINE TROUBLESHOOTING

PROBLEM

1.

ENGINE

DOES

NOT

START

a.

b.

c.

d.

e.

f.

g.

h.

i.

Starting

switch

is

defective

Deficient

drive

torque

of

the

starter

motor

Improper

viscosity

of

engine

oil

Engine

too

cold

Seizure

of

moving

parts

Air

present

in

fuel

system

No

fuel

in

fuel

tank

Fuel

filter

clogged

20

Amp

circuit

breaker

tripped

REMEDY

Correct

connections

and

contacts

The

battery

is

exhausted,

trouble

with

the

starter

motor,

or

dirty

or

loose

wiring

Check

the

viscosity

and

renew

oil

if

necessary

Use

glowplug

starting

aid

Rectify

Purge

thoroughly

wi

th

electr

ic

fuel

pump

Refill

Clean

or

renew

Manually

reset

2.

ENGINE STALLS WHILE IN OPERATION

a.

Fuel

tank

is

empty

b.

Fuel

filter

clogged

c.

Air

present

in

fuel

system

3.

IMPROPER

OIL

PRESSURE

a.

Oil

shortage

b.

Oil

leak

through

connections

c.

Oil

pressure

sender

defective

d.

oil

filter

clogged

4.

ENGINE OVERHEATING

a.

Cooling

water

shortage

b.

Water

leaks

c.

Belt

loose

or

smeared

with

oil

d.

Raw

water

pump

defective

e.

Thermostat

defective

5.

BATTERY

IS

UNDERCHARGED

a.

Belt

tension

improper

b.

Faulty

wiring

circuit

c.

Alternator

not

functioning

(observe

voltmeter)

d.

Battery

faulty

e.

Faulty

voltage

regulator

Refill

Clean

or

renew

Retighten

fuel

line

connections

and

allow

electric

fuel

pump

to

run

long

enough

to

purge

air

thoroughly

Refill

Repair

Replace

Replace

Refill

Repair

Clean

or

renew

Repair

or

renew

Replace

Rectify

Rectify

Replace

Replace

Repair

or

renew

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