Westerbeke 16.0KW SBEGA-50HZ Specifications download pdf (Page 7)

CARBON

MONOXIDE

"CO"/SAFE-CO

GENERATORS

IMPORTANT

INFORMATION

Catalyst perfonnance

will

degrade over

time.

As

the

generator

accumulates

operating

hours,

CO

concentrations

will

increase. The catalyst must be replaced every 2,000

hours

of

engine operation.

Verification of satisfactory

CO levels must be done

seasonaUy or each

1,000 hours (which ever occnrs first).

Verification

involves actual sampling of exhaust

gas

with

an

appropriate

CO

analyzer.

There are

two

locations where exhaust gas

can

be

sampled.

Dry,

but

hot,

exhaust

can

be

sampled

at

the

plugged tapped

hole

in

the

exhaust

elbow

intended

for

back pressure

measurements.

Measurements

at

this

location

may

not

be

practical

in

all

instances

due

to

the high exhaust temperature,

temperature limits of

the

analyzer, safety concerns over

temperatures involved or

the

possibility of high levels of

CO.

The other location

is

the

boat's exhaust outlet,

which

contains entrained cooling water (except

dry

stack exhaust

systems).

Only analyzers with probes should

be

used at

this

location

and

it

is

critical that

the

probe not ingest

water.

Probe-type analyzers have

an

air pump drawing a gas sample

tbrough the probe.

As

a result,

they tend

to

ingest water

when

it

is

present. Be

sure

to

aim

the

probe downwards

with

the

opening pointed

in

the direction of the water

flow

and

just

out

of

the

flow.

Position

the

analyzer

as

high

as

possible

with

the

tubing leading

to

the

probe running continuously down-

hill.

Observe

the

usually translucent tubing between

the

probe

and

the

analyzer

and

be

sure

no

water

is

being

ingested.

If

any

water

is

ingested into

the

analyzer,

it

must

be

repaired or replaced

and

recalibrated.

When

measuring

CO

at

the

exhaust outlet be aware of

the

ambient

CO

level

by also measuring

CO

away

from

and

upwind

of

the

exhaust outlet, especially

in

marinas.

the

CO

level

at

the

exhaust

will

be

influenced upwards by

the

ambient

level.

ADJUSTABLE

CLAMP

INSTALLING

A

NEW

CATALYST

Whenever taking

the

time

to

verify proper

CO

concentration

from

the

exhaust with a

CO

analyzer, always take

the

opportunity

to

use the analyzer

to

"sniff' around

the

engine

looking

for

CO

from

exhaust

leaks.

Pay close attention

to

the

connection of

the

cylinder head

to

the

exhaust manifold,

the

exhaust manifold

to

the

water injected exhaust

elbow,

and

all

subsequent

downstream

exhaust

components

and

hoses.

Remember,

exhaust

gas

that

has

not yet passed tbrough

the

catalyst

is

raw,

untreated exhaust and

is

very high

in

CO

content.

Analyzers usually require periodic calibration. Follow

the

instructions that come

with

the

analyzer

very

carefully

regarding calibration.

The following are manufacturers that offer

CO

analyzers:

Extech,

TIP,

Testo,

TSI,

Bacharach,

Fluke,

Monoxor,

Fyrite,

Zellwgwer Analytics, Industrial Scientific Corp,

GFG,

TPI,

Teledyne

and

others. Westerbeke recommends analyzers

with

a probe connected

to

the

analyzer by a length of transparent

tubing.

They

are slightly

more

expensive

than

those

with

the

sensor built into one end of

the

analyzer, but they

allow

you

to

sample the exhaust coming out of

the

boat's exhaust

outlet.

POSITION

THE

CLAMP

OVER

'<Pt~

.

THE

TWO

FLANGES

(AND

GASKET)

/"'!J1.,J/,~

AND

TIGHTEN

~

WESTERBEKE

Engines & Generators

v

1 2 3 4 5 6 7 8 9 10 11 12 ... 59 60

Comments to this Manuals

No comments