Westerbeke BTD 10.0 KW 60Hz Installation Manual download pdf (Page 30)

GLOW

PLUGS

DESCRIPTION

The

glow

plugs

are

wired

through

the

preheat

solenoid.

When

PREHEAT

is

pressed at the control

panel

this

solenoid

should

"click"

on

and

the

glow plug should

begin

to

get

hot.

INSPECTION

To

inspect

the

plug,

remove

the

electrical

terminal

connec-

tions,

then

unscrew

or

unclamp each plug

from

the

cylinder

head.

Thoroughly

clean each plug's tip

and

threads

with

a

soft

brush

and

cleaning solution

to

remove

all

the

carbon

and

oil

deposits.

While'cleaning, examine

the

tip

for

wear

and

bum

erosion~

if it

has

eroded too much,

replace

the

plug.

TESTING

An

accurate

way

to

test

glow

plugs

is

with

an

ohmmeter.

Touch

one

prod

to

the

glow

plug's

wire

connection,

and

the

other

t~

the

body

of

the

glow

plug,

as

shown.

A

good

glow

plug

WIll

have

a 0.4 - 0.6

ohm

resistance.

This

method

can

be

used

with

the

plug

in

or out of the

engine.

You

can

also

use.

an

ammeter

to

test

the

power drain

(5

6

amps

per

plug),

A

WARNING:

These

glow

plugs

will

become

very

hot

to

the

touch.

Be

careful

not

to

burn

your

fingers

when

testing

the

plugs.

Re-install

the

plugs

in

the

engine and

test

them

again.

The

plug::;

should

get

very

hot

(at

the

terminal end)

within

7

to

15

seconds.

If

the

plugs

don't heat

up

quickly,

check

for

a

short

circuit.

When

reinstalling

the

glow plugs,

use

anti-seize

com-

pound

on

the

threads.

A

WARNING:

Do

not

keep

a

glow

plug

on

for

more

than

30

seconds.

.

Glow

Plug

Tightening

Torque

7

·11

ft-Ib

(1.0

-1.5

m-kg)

TESTING

A

GLOW

PLUG

WITH

AN

OHMMETER

TESTING

A

GLOW

PLUG

USING

A

TEST

LIGHT

TERMINAL

END

TIP

+

Engines & Generators

24

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 63 64

Comments to this Manuals

No comments