Westerbeke BTD 10.0 KW 60Hz Installation Manual download pdf (Page 14)

STARTING/STOPPING

PROCEDURE

THE

STARTING

SYSTEM

Westerbeke diesel generators use electric starters assisted

glow plugs for both normal and cold weather starting. The

illustration below shows a cross-sectional view

one cylin-

der. The glow plug is located in the combustion chamber so

that its tip is in the injector nozzle's spray path. When the

glow plug is energized by the

PREHEAT button, the plug

glows red at the tip and assists in igniting the fuel. The result

is a rapid start with less wear on the starter.

This system is common to WESTERBEKE diesels. The start

circuitry is designed so that the

PREHEAT button must be

depressed

fOf

the time specified in the preheat chart. Then,

while keeping the

PREHEAT button engaged, the START

button is depressed to crank the engine.

NOTE:

The

START switch will not energize unless

the

PRE-

HEAT switch

depressed.

Depressing the PREHEAT switch

activates

the

glow plugs in

the

cylinder head

use

the

PRE-

HEAT

intermittently

avoid overheating

the

glow

plugs.

GLOW

PLUG

PREHEAT:

Depress the PREHEAT switch. The voltmeter and

panel lights, gauges and meters will be activated. The

PRE-

HEAT switch should be depressed in accordance with the

following chart:

TemperatureJPreheat

Abnospheric

Temperature

Preheating

Time

+41

°F(

+5°C)

higher

Approx.

seconds

+41°F(+5°C)

23°F

(-5°C)

Approx.

seconds

+23°F(

-5°C)

lower

Approx.

seconds

Limit

continuous

use

seconds

before

cranking

START:

While still depressing the PREHEAT switch, depress

the

START switch. This will engage the starter solenoid.

Upon engine starting, release the

START switch. Do not

release the PREHEAT switch until the oil pressure reaches.

5 - 10 psi. Then as long as the high water temperature and

low oil pressure protective circuits do not activate. the engine

will remain energized and continue to run.

NOTE:

When

starting:

A voltage

drop

will occur

when

the

prelfleat

switch

depressed:

Should the engine not start when the START switch is

depressed for

10 to

seconds, release both switches and

wait

30 seconds; repeat the procedure above and preheat

longer.

Never run the starter for more than 30 seconds.

CAUTION:

Prolonged

cranking

intervals

without

the

engine

stanlng

can

result

the

engine

exhaust

system

filling

with

raw

water.

This

may

happen

because

the

pump

pumping

raw

water

through

the

raw

water

CODl-

ing

system

during

cranking.

This

raw

water

can

enter

the

engine's

cylinders

way

the

exhaust

manifold

once

the

exhaust

system

nils.

Prevent

this

from

happening

closing

the

raw

water

supply

through-hull

shut-off,

draining

the

exhaust

muffler.

and

correcting

the

cause

the

excessive

engine

cranking.

Engine

damage

result-

ing

from

raw

water

entry

not

warrantablelssuej

the

owner/operator

should

keep

this

mind.

Remote

Starting

Procedure

The remote start panel is the same as the engine-mounted

start panel except that it has a green LED light and no

gauges. When starting at a remote location, the green LED

lights when the generator is running at approximately

600

rpm. This indicates when the START switch can be released

since the starting

the generator may not be audible.

A. When the

PREHEAT switch is depressed at the remote

start/stop panel the LED light will illuminate. When the

START switch is depressed and the starter cranks the

engine this

LED

light will dim. When the engine starts

the LED light will brighten signaling to release the

START switch. Continue to hold the PREHEAT

depressed for a few seconds to allow oil pressure

build

up which closes the oil pressure safety switch that is in

the series path for

I2V

B+

to the fuel run solenoid. The

green

LED

will remain brightly illuminated while the

engine is running.

B. After the generator is started and the

START switch is

released, the generator's starter will not crank unless the

PREHEAT switch is operated first because this switch

supplies voltage to the

START switch.

Once the engine starts, check the engine's instruments for

proper oil pressure and battery charging voltage. Apply a

light'Ioad to the generator and allow the engine's operating

temperature to come up to

140-150° (60-66° C) before

applying heavy loads.

NOTE:

Some

unstable

running

may occur

a cold

engine.

Depressing

the

PREHEAT switch/or 10-15 second intervals

will help stabilize

the

engine

rpm

until

the

operating

temperature

reaches

140

- 150

F and a load

applied

the

engine.

lW-IWESTERBEKE

I Engines & Generators

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Westerbeke BTD 10.0 KW 60Hz Installation Manual Page 14

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