CEA 4001 - Page 69

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69

switches,

and

manually

by

means

of

a

push

button

on

the

pump

controller.

It

shall

be

possible

to

shut

down

the

diesel

engine

only

manually.

Engine

monitoring

devices

shall

not

cause

the

engine

to

stop.

The

rated

voltage

of

the

batteries

and

starter

motor

shall

be

no

less

than

12

V.

The

starter

motor

and

each

battery

power

source

shall

have

the

design

capacity

to

rotate

the

engine

at

0°C and

760mmHg

atmospheric

pressure

for

not

less

than

10

cycles

each

of

not

less

than

15s

cranking

and

not more

than

10s

rest.

At

the

end

of

the

energised

part

of

each

cycle

the

engine

cranking

speed

shall

be

not

less than

120r/min

while

power

is

applied.

9.9.7.2 Automatic starting system

The

automatic

starting

sequence

shall

make

six

attempts

to

start

the

engine,

each

one

of

5

to

10s

duration, with

a

maximum

pause

of

10

seconds

between

each

attempt.

The

starting

device

shall

reset

itself

automatically.

It

shall

function

independently

of

the

line

power

supply.

The

system

shall

switch

over

automatically

to

the

other

battery

after

each

starting

attempt.

The

control

voltage

shall

be

drawn

from

both

batteries

simultaneously.

Facilities

shall

be

provided

to

prevent

one

battery

having

an

adverse

effect

on

the

other.

9.9.7.3 Emergency manual starting system

Emergency

manual

start

facilities,

with

starting

power

available

from

both

batteries,

shall

be

provided,

with

a

breakable

cover.

Facilities

shall

be

provided

to

prevent

one

battery

having

an

adverse

effect

on

the

other.

9.9.7.4 Test facility for manual starting system

A

manual

start

test

button

and

indicator

lamp

shall

be

provided

to

permit

periodic

testing

of

the

manual electric

start

system

without

breaking

the

cover

over

the

emergency

manual

start

facilities

button.

The

starter panel

shall

be

marked,

adjacent

to

the

lamp,

with

the

wording:

OPERATE

MANUAL

START

TEST

BUTTON

IF

LAMP

IS

LIT

The

manual

start

test

button

shall

only

be

brought

on

line

after

an

automatic

engine

start

followed

by

a

shut down

or

after

six

repeated

unsuccessful

attempts

to

start

automatically.

Either

of

the

two

conditions

shall

cause

the

indicator

lamp

to

light

and

bring

the

manual

start

test

button

on

line

in

parallel

with

the

emergency manual

start

push

button.

When

a

test

manual

start

has

been

carried

out,

the

circuit

used

for

this

purpose

shall

automatically

become inoperable

and

the

indicator

lamp

shall

be

extinguished.

The

automatic

start

facility

shall

be

available,

even when

the

manual

start

test

button

circuit

is

activated.

9.9.7.5 Starter motor

The

electric

starter

motor

shall

incorporate

a

moveable

pinion

which

will

engage

automatically

with

the

flywheel

gear

rim.

To

avoid

shock

loading,

the

system

shall

not

apply

full

power

to

the

starting

motor

until

the

pinion

is

fully

engaged.

The

pinion

shall

not

be

ejected

from

engagement

by

spasmodic

engine

firing.

There

shall

be

a

means

to

prevent

attempted

engagement

when

the

engine

is

rotating.

The

starter

motor

shall

cease

to

operate

and

shall

return

to

the

rest

position

if

the

pinion

fails

to

engage

with

the

fly-

wheel

gear

ring,

After

a

failure

to

engage,

the

starter

motor

shall

automatically

make

repeated

attempts

to

achieve

engagement.

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