Westerbeke BTG-9KW Operator's Manual

OPERATOR'S MANUAL

WESTERBEKE

BTG - 9

KW

Marine Gasoline

Generator Set

Publication # 36710

Edition One

June 1987

jr~

'WESTERBEKE

j

WESTERBEKE

•

150

JOHN HANCOCK

CORPORATION • MYLES

ROAD,

TAUNTON,

STANDISH

MA

02780-7319

INDUSTRIAL

U.S.A.

PARK

Gasoline with an ETHANOL content

higher than 10% (E10) is not allowed

and may void warranty.

Engines & Generators

The

following
manual
emphasize
dangerous
equipment.

Read
before
ment.
can
to

Fuels,
electrical
parts
result
death.
carefully.

Always

least

oasoline-fueled

line

•

•

to

call

conditions

to

WARNING

CAUTION

the

attempting

exist

protect

are

five

fumes

Prevent
Shut

accessing

Use
on

electrical

Make

(particularly
surfaces
cal

Remove
working

Dc

not

to
through a ship-to-shore
transfer
AC

generator

Be

extremely
electrical
can

Exhaust

Ensure
adequate

from

system
sure
attached

Be

sure

ings

This
manual

manual

Know

when

and

personnel

exhaust

equipment,

potential

in

serious

Follow

operate

minutes

are

Electric

off

electrical

insulated

sure

dry

equipment.

wristwatch

on

connect

vessel's

switch.

cause

injury

~

that

to

the

regularly

exhaust

and

the

are

well-ventilated.

symbols

attention

potentially

the

operator

This

sy~bol

manual
serlOUS
loss

sonnel
to

take

clothing

components.

to
of
symbol

of

equipment.

carefully

to

dangerous

necessary

and

gases,

hazards

personal

recommended

bilge

enoine;

present

~

electric

mats

equipment.

shoes;,

when

electrical

utility

AC

may

resul~.

careful

or

~

!£tiE

the

exhaust

expel

engine.

for

manifolds

no

warping

unit

appear

warn
personal
life.

to

possible

operate

equIpment.

and

moving

blowers

before

ensure

before

equ1pment.

whenever

is

handling

and

equ1pment.

circuits,

Damaoe

when

death.

gases

Check

leaks

and

SAFETY PRECAUTIONS

in

this

to

and

or

to

the

is

used

in

of

is

used

caution

and

thoroughly
the
condi t ions

precautions

batteries,

that

injury
procedures

starting

starting.

power

dry,
and

keep

jewelry

shore

double-throw

to

workinc

High

.

system

discharged

are

exists.

its

surround-

the

possible

inJury

and

securely

or

in

the

per-

damage

equlp-

and

hot

could

or

for

at

no

not
electri-

vessel's

exhaust

a

oaso-

before

working

damp
sk1n

when

power

except

on

vol~age

is

make

Use

•

Enoine

expros

Do
running.

Do
the

Keep

the

Be
positive

Be
adequately
leaks.

Make
installed
maintained.
proper
ABC
all
environment.

Use

•

'b"atterles.

Wear

and

batteries.

Leac

c
be

c
Dc
near
off
vicinity
arcing

Avoid

•

Do

make

hot

Do

ry

loose

rings,

might
Make

properly

tive

all
Do

belt

t1ng.
Do

tally

fatigue.

Extreme

Fuel.

ioner

not

fill

not

smoke

eng1ne

combustible

uni

t.

sure

certain

sure

use.

by

the

applications

Extreme

rubber

eye

acid

hiohlv-explosive

1clniced

11ghted

not

smoke

batten'

all

electr

dur1ng

~

not

operating

care

exhaust

not

when

be
sure
shields

times

not

tension

not

or

service

wear

servicing

jackets,

necklaces,

.•

check

work

running;
treme

Care
(A

fire

fuel

or

or

the

all

fuel

shutoff

fuel

tightened

a

fire

nearby

Be

NFPA

Care

gloves,

protection

batteries

b\'

cig~rette,

or

beino

ical

to

servicing.

Parts.

if

absolutely

to

avoid

system

loos~

caught

all

attaching

tightened

and

fluid

while

on

physically

When

c'onstant

exists.)

tank

use

open

fuel

tank.

materials

supplies

valve.

line

and

extinouisher

and

familiar

Extinguishers

ar e appropr

encountered

When

Servicing

a

rubber

when

emit

oas,

electrical

cigar,

allo'"

an

serviced.

equipment

prevent

unit

while

adjustments,

moving

components.

clothing

equipment;

shirts

or

bracelets

in

moving

and

guards

levels

unit

equipment

incapacitated

Handllne

danger

with

flame

away

fittinos

free

ii

properly

with

iate

serv1cing

hvdrooen,

wh-ich -

arC1nc

or

open

electrical

unit

necessary

use

parts

or

or

sleeves,

parts.

hardware

keep

protec-

in

place

or

is

when

engine

have

rated

in

apron,

pipe.
flame

in

jewel-

avoid

drive­opera-

men-

near

from

are

its
for

this

can

or

Snut

the

ex­and

that

at

by

of

of

is

is

to

is

a

IMPORTANT

Product

technical
and
instruct
than

accordingly,
courtesy
THE

software

data,

parts

price

ions

Westerbeke,

and

CONTENT

and

is
service.

REPRESENTATIONS

TIMELINESS

LIABLE

CONNECTION
SUCH

For

SOFTWARE.

example,

Westerbeke's

blocks,

cal

components,

ported

Westerbeke
Westerbeke's
may

by

be

Wester
notice
supplier's

OR

FOR

WITH,

fuel

by

their

m'ust

outdated

beke'

in

advance,

software

ANY

components

products

systems

own

PRODUCT

of

SOFTWARE

all

kinds,

operator's

lists

speci

is

fica t ions

not

provided

WESTERBEKE

OF

SUCH

WITH

SOFTWARE,

RESPECT THERETO, INCLUDING

COMPLETENESS

TYPE

OR

OF

ARISING

and

and

and

pumps

and

manufacturers

depend

on

product

and

no

longer

s

supplier

s,

are

until

DISCLAIMER

such

and

workshop

(and

other

prov

within

to

Westerbeke

THEREOF,

DAMAGES

OUT

OF,

sub-assemblies

supplied

components,

other

products)

with

such

software

software.

accurate.

of

wh

frequently

after

such

as

brochur
manuals,

related

ided

from

Westerbeke's

customers

CANNOT

MAKES

AND
OR

THE

by

BE

NO

WILL

INJURY

FURNISHING

others

transmissions,

are

their

for

Such

software,

Routine

ich

Wester

not

changes

es,

parts

information),

source

control

RESPONSIBLE

WARRANTIES

THE

IN

NO

INCURRED

incorporated

(such

generally

own

software,

the

changes

beke

rarely

reflected

take

place.

dr

awing

lists

s

other

and,

only

as

FOR

ACCURACY,

EVENT

OR

USE

into

as

engine

electri-

sup-

and

design

however,

made

has

in

the

s,

a

OR

BE

IN

OF

of

Westerbeke

between
unavoidable
software

Westerbeke

fea

tur

es

tation.

In

summation,

ducts,

and

whether

cannot

authority

sense,

but
Westerbeke
mine

the

consulted

customers

pr

intings

existence

ed

i t

products

that

be

on

the

is

or

accuracy

by

the

of

ions

fr

equen

product

from

Westerbeke

relied

respective

imperative

the

supplier

and

customer.

should

Westerbeke

of

in

the

include

tly

do

software

upon

that

in

currency

also

earlier,

field.

customer-requested

not

provided

or

exclusively

product.

appropriate

question

of

keep

product

non-current

include

other

the

in

mind

software,

Addi t ionally,

complete

with

Westerbeke

suppliers,

as

It

not

only

representatives

be

consulted

product

the

Westerbeke

the

definitive

makes

software

time

and

special

documen-

must

to

deter-

being

span

the

most

pro-

not

good

of

FOREWORD

Thank
at

Read

you

Westerbeke

this

throughout.
procedures,
ment

procedures
equipment
of

efficiency,

in

return.

Should
dealer

to

your

for

provide

performance.

If,
your
below)
writing

within

unit,

registering

with

commission

for

selecting

are

manual

Operating

installation

safely

and

unit

assistance.

the

60

days

you

have

Model

date.

pleased

carefully

are
and

included

properly,

expect

require

support

of

not

your

information,

a

Westerbeke

to

have

and
procedures,
checks,

dependable

special

The

Westerbeke

necessary

submitting

received

warranty,

you

observe

system
herein
maintain

attention,

the

a

including

marine

as

a

customer.

all

safety

periodic

descriptions

so

that

the

performance

Service

to

ensure

Warranty

Customer

please

the

product

precautions

preventive

you

equipment

and

contact

Organization

long-term

Registration

Identification

contact

unit

serial

for

and

can

at

long

your

the

your

use.

included

maintenance

minor

operate

a

high

service

Westerbeke

is
dependable

Form

Card

factory

number

We

adjust-

your

level

life

trained

for

(see

in

and

from: J.H. Westerbeke Corp.

Avon

Industrial

Avon, MA 02322

Park

•

r'~jr

CUSTOMER IDENTIFICATION

Mail

To:

~

Adam

85

Smith

Maple

Alden,
ModeJ_

B'TG

Expires

WESTERBEKE

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Title

TABLE

OF

CONTENTS

GENERAL

GENERAL
SYSTEM
TUNE-UP

INSTALLATION

BT

GENERATOR

OPERATION

SERVICE
ENGINE

DC

CIRCUIT DESCRIPTION

GENERAL

AND

..••••••••.•••••.••••••.••••..

SPECIFICATIONS

SPECIFICATIONS

SPECIFICATIONS

••••••••.••••••••.•••••

.•••••••••••.•••••••••••

•.••••.•••.•..••••.••.•..•.

AND

MAINTENANCE

ADJUSTMENT

•••••••••••••••.•••

INFORMATION

CARE

OF

THE

GENERATOR

ENGINE TROUBLESHOOTING

•••••••••••••••

••••.•••.••.••.

••••••••••..••

.•••.••••••••

•••••••••••.•.

••••...•.

••.•••••••.••.

1

3
4
6
7

18

25

28
32
36

38
40

TIGHTENING

TORQUES

••••••.••••••••.••

42

Introduction

GENERAL

This

information
working
planned

the
equipment
step

manual

rna

prog

ram

to

satisfactory

to

order.

in

tenance

life.

contains

assist

Study

will

Proper

result

included.
Understanding
The

to
a
points

gasoline

an

belt-driven,

and

camshaft-driven,

automobile

and

the

Gasoline

engine

engine.

overhead

condenser

thermostatically-controlled

changer

To a great

~equires

would

factors

tilation

system,

system.

extent,

the

give

the

contributing

and

and

the

same

preventive

gasoline

maintenance

generator

the

the

prog r am

repair;

driving

type

a

the

gasoline

to

equipment

operator

and

follow

is

in

better

diagnosis

consequently,

Powered

the

The

cylinders

camshaft.

distributor

pressure

water-cooled

maintenance

engine

the

of

long

the

end.

to

included

equipment

of

Generator

AC

generator

type

engine

in

his

life

fuel

operating

maintain

the

instructions

in

a

problem

are

The

engine

which

lubrication

engine

used

that

automobile.

of

system,

procedures

the

equipment

th

is

manual;

per

formance

is

the

a

troubleshooting

is

in

many

vertical

utilizes

is

horizontally-mounted

block

to

drive

any

responsible

The

the

unit

ignition

carefully.

most

and

system,

the

most

are

system,

as

in

adher

and

important

ways

in-line,

a

with

AC

generator

important

proper

well

proper
ing

longer

table

similar

with

breaker

and

an

ex-

operator

ven-

cooling

as

A

to

is

a

Order
When

tory
serial
of

in

Note

front

ing

contacting

about

number

the

exhaust

order

that

of

Parts

your

to

identify

component

the
flywheel/generator
right
eng
the

Westerbeke

a

This

satisfied

Care

resulted

many

turer

That

ine

left

final

thousands

part

sides

and

side

run

is

done

at

in

cannot

facing

engines

owner.

the

is

your

Westerbeke

Westerbeke

as

they

manifold/coolant

your
locations

engine

or

are

determined

in

is

at

your

and

under

to

various

ensure

A

record

factory

a

Westerbeke

of

hours

control

up

to

the

dealer,

unit,

appear

on

unit.

in

which

is

transmission

by

the

same

left,

dir

the

generator

load

conditions

dependable

of

this

during

assembly,

gasoline

of

dependable

the

treatment

owner/operator.

always

the

nameplate

tank).

the

manual

the

pulley/drive

end

the

engine;

ection

right

sets

are

operation,

test

engine-driven

service.

the

parts

provide

This

is

the

as

side

thoroughly

before

is

maintained

and

unit

distributor,

the

(located

information

are

referenced

rear

imagine

the

at

front

your

leaving

long

thorough

generator

However,

receives

model

on

belt

end.)

straddling
of

right.

checked

service,

at

the

testing,

in

or

number

the

is

necessary

end.

the

and

the

factory.

capable

the

the

the

fac-

surface

from

(The

Left

eng

ine:

given

factory.

and

have

manufac-

field.

and

the
and

the

a

of

1

BTG 9 KW

Gasoline

Generator

2

Set

GENERAL

MARINE

SPECIFICATIONS

BTG 9 KW

GASOLINE

GENERATOR

SET

Engine

Type

Combustion
Valve
Bor
Piston

Firing

Mechanism

e &

Stroke

Displacement

Order
Direction
Compression
Compression

Valve

Timing

Chamber

of

Rotation

Ratio

Pressure

Gasoline,

in-line

Multi-sphere

Overhead

2.99

60.6

x

2.87

cubic
1-2-3
Clockwise,

9.5:1

177.8

Intake
Intake

Exhaust
Exhaust

psi

Opens
Closes

Opens
Closes

4-cycle,

type

camshaft,

inches

inches

when

(12.5

19·

51·
51·

19·

3-cylinder,

belt-driven

(76 X 73

(0.993

viewed

kg/cm2),

BTDC

ABDC
BBDC

ATDC

liter)

from

at

mm)

the

350

vertical,

front

rpm

Valve

Valve

(eng

Eng

Seat

Clearance

ine

ine

Speed

Dimensions

Weight

Sea

Water

(measured

from

Fuel

heat

Consumption

Angle

warm)

Flow,

at

discharge

exchanger)

at

1800

rpm

Intake

Exhaust

Intake
Exhaust

1800

rpm

governor)
Height:

Width:
Length:

386

lb

4.5

-

1.5

gph

output

45·
45·

0.0079

0.0079
(belt-driven

23.38

18.69

28.25

(175.0

5.0

(5.68

kg)

gpm

lph)

(approximate)

inch
inch

inches
inches
inches

(17.03

(0.20

(0.20

mechanical

(593.85
(474.73
(717.55

-

18.92

at

full

mm)
rom)

rom)
rom)
mm)

lpm)

rated

3

SYSTEMS

SPECIFICATIONS

FUEL

SYSTEM

Fuel

Carburetor

Governor

Lift

Air

pump

Cleaner

COOLING
General

Operating
Fresh

Water

SYSTEM

temperature

Pump

Unleaded

(minimum
Down-draft,
Mechanical
12-Volt

lift

Metal

Fresh

or

leaded

octane

single-barrel

type,

electric;

capacity

screen

water-cooled

6

type

89)

ft

gasoline

belt-driven

-

block,

thermostatically-controlled

with
130-lS0·F
Centrifugal

impeller,

sea

water

(55·

exchanger

-

type,

belt-driven

66·C)

metal

(1.8

m)

cleanable

system

Sea

Water

Sea

Water

(measured

Pump

Flow,

at

exchanger)

System

(fresh

Capacity
water)

LUBRICATION
General

Oil

Filter

Sump

(filter

Oil

(engine

Capacity

not

Pressure,

hot)

at

discharge

SYSTEM

included)

at

1800

1800

rpm

from

rpm

heat

positive

impeller,

4.75

5.7

-

qts

5.0

Pressure

chain-driven

Full

flow,

type.

3.0

qts

50 -70

(2.841

psi

displacement

belt-driven

gpm

(5.39

type

(17.98

liters)

with

through

paper

liters)

(3.5

-

rubber

-

trochoid

balance

element,

4.9

18.92

spin-on

kg/cm

Ipm)

pump,

shafts

2

)

Oil

Grade

API

4

spec

SD

or

SE

ELECTRICAL

SYSTEM

Starting

Battery

(recommended)

Starter

DC

No-load

DC

Cranking

(eng

ine

DC

Charging

IGNITION

SYSTEM

General

AC

GENERATOR

General

current

Current

cold)

Alternator

l2-Volt,

(45

A-H

l2-Volt,

30

cold

1.2

A-H

solenoid-mounted

90

Amp

175

35-Amp
regulator

(max.)

Amp

belt-driven,

and

diodes

Battery

ground,
ignition

Brushless,

field,

ignition,

distributor

coil

four-pole,

single-bearing
reconnectable,
former
state

regulation

voltage

areas)
kW,

reduction

at

11.5

without

12

and

spark

single-phase

(optional

regulation)

Volts

with

isolation

Volts,

with

revolving
design,

type,

and

internal

negative

points,

plugs

trans-

solid-

Voltage

Rating

60

Hertz

50

Hertz

Generator

Requirements
at

1800

rpm

NOTE:

(1800

(1500

Cooling

(60

Increase

rpm)

rpm)

Air

Hertz),

air

supply

120

110
voltage

full
frequency

no

120
120/240

110

110/220

225-250

15%

load

for

or

120/240

or

110/220

regulation:

load

to

Volts

Volts

Volts

Volts

cfm

50-Hertz

Volts-60
Volts-50

regulation:

full

load

75
75/37.5

58
58/29

(6.37

operation

+

-

Amps

Amps

Amps

-

7.08

Hertz
Hertz

5%

+3

Amps

no

Hertz

cmm)

(1500

load

rpm)

to

(5%)

5

Engine
Requirements,

at

Combustion

1800

rpm

(60

Air
Hertz),

32

cfm

(0.906

cmm)

TUNE-UP
Spark P lug
Contact
Dwell
Condenser

Valve

(warm

Timing,

SPECIFICATIONS

Point

Angle

Clearance

eng

at

Gap

Clearance

Capacity

ine)

1800

rpm

0.028

0.016
58'

-

0.27
Intake

Exhaust

14

•

+

-

.036

-

.020

-

66'

microfarad

0.0079

0.0079

l'

BTDC

inch
inch

inch
inch

(0.7
(0.4

(0.20
(0.20

rom)

0.9

-

mm)

0.5

-

rom)

mm)

6

General

INSTALLATION

Proper

are

of

Factor

for
exhaust
exhaust
and

electrical

Factors

and
cussed

location

prime

s

the

access

in

importance.

in

the

generator
system
and

in

expel

the

for

this

and

installation

installation

for

to

properly

exhaust

connections.

location

serv

icing

manual.

proper

gas;

that

and

of

that

must

cooling

discharge

cooling

must

repair

the

be
raw

be

considered

s.

generator

considered

and

engine

cooling

water

These

set

water,

supply;

are

factor

in

the

are

ventilation

combustion

quiet

fuel

proper

s

will

vessel

air;

supply;

support

be

dis-

the

There

properly
Location
The

location
areas,
It

should

and

repairs.

as

well.

fresh
Hot
The

to

generator

platform

support

fastened

are

four

secure

and

be

cooling

to

away

properly

The

on
the

it

1/2-inch

the

generator

should

from

Access

location

air

for

discharge

which

generator

at

all

bolt

be

being

ventilated

for

the
the
angles

holes

such

splashed

major

must

generator

air

must

generator

and

of

to

that

be

vessel

(1/2"

in

its

it

by

and

repairs

properly

be

is

securely

7

Mounting

each

mounting

is

..9!..,y,

bilge

accessible

should

end

and

removed

mounted
operation.

Holes)

generator

platform.

above

water

or

be

ventilated

for

from

should

hold

the

water

for

given

engine

the

mounting

low-lying

from

minor

consideration

to

provide

combustion.

generator

be

strong

mounting

rail

vapor

above.

servicing

the

area.

enough

rails

to

ventilation
The

engine

mable

gine
per
per

Exhaust

All

into

under

or

generator

requires

minute)

minute
NOTE:

to

removed

Exhaust

free

exhaust

any

cylinders,

gasoline

accumulate

System

of

the

engine

power

other

set

fumes

air

and

the

(6.37
Heated

to

gas

leaks.

systems
or

conditions.

to

prevent

is

exhaust

sail,

needs

for

generator

from

flow

generator

of

generator

7.08

in

the

recirculation

deadlY1

must

heeling,

fresh

around

32

cubic

end

cubic

discharge

generator

the

be

configured

manifold

cool

cooling

the

feet

requires

meters

WARNING

exhaust

and

from

air

generator

per

air

compartment.

through

following

for

and

to

per

minute

from

minute)

should

system

to

prevent

cylinders

combustion

remove

set.

225

air

the

generator.

must

while

seas,

The

(0.906

to

not

It

be

the

when

harmful

9
cubic

250

flow.

be

allowed

should

tight

entry

the

backing

within

or

KW

BTG

cubic

be

and

of

vessel

the

flam-

en-

meters

feet

water

is

down

General

•

Dry

water

•

The
prevent

should

•

The

engine

•

Dry
engine
be

•

Hydro

possible
water

units

•

vessel
water

tips

portions

exhaust

gener

stack

protected

on

injection

excessive

be

exhaust

manifold,

hush

injected

installed

water

plumbing

exhaust

hose

limited

ator

type

against

mufflers

and

system:

of

exhaust

point,

must

back

as

exhaust

system.

exhaust

be

should

the

exhaust/cooling

elbow

with

line

to

must

the

system,

must

be

pressure.

these

properly

water

should

exhaust

exhaust/water

be

of

adequate

create

system

systems

entry.
be

drop

have

between

properly

The

back

~

~

supported,

mounted

water

down

manifolds

anti-siphon

injected

insulated.

size

use

pressure.

be

separate

be

flexibly

have

as

close

mixture

into

the

and

close

engine

minimal

of

fittings

a

spark

to

the

muffler.

protection

elbow.

from

attached

the

from

to

and

run

and

any

arrestor

generator

the

or

below

in

cooling

to

help

elbows

other

to

the
and

exhaust/

the

the

sea

as

8

Exhaust

System

Installations

Flapper

Cover_~.f

'1

! I

Dry

Slack

SUPpor1

Hangers

Exhaust

-

RawWaler

Pump

Generator Above Water

Lme

AawWater

Pump

AawWater

Pump

9

Generator

Below

Water

Lme

CAUTION

Overcranking
amounts

Exhaust

discharge
cranking.
and
starting

Fuel

System

Gasoline

potential
promptly

The

tank

fuel

and

Anti-Siphon

siphoning
tank
a

when

fitting
connection
designed

then

supply

not

action

there

loosens

and

and

with

of

cooling

gas

pressure

accumulated

Shut

open

and

correct.

leakage

cause

and

ensure

to

teed

off

Protection

that

is

to

the

installed

no

off

thru-hull

once

started.

in

of

the

generator

the

is

permits

a

break

create

connection

to

engine

water

may

water

or

around

fire

the

compartment

supply

the

or

a

protect

pumped

not

during
water
Investigate

WARNING

the

and/or

should

to

term

fuel

applied

to

rupture

leak

to

the

against

start

in

always

generator

explosion.

be

another

continue

in

in

the

engine.

results

to

periods

supply

is

properly

from

engine.

to

the

fuel

line

fuel

the

exhaust

be

until

reason

compartment

its

the

to

flow
supply

between

Fuel

siphoning.

in

sufficient

of

unit

(s)

Repair

ventilated.

own

means

out

systems

excessive

system.

excessive

starts

for

hard

is

leaks

pickup

of

preventing

of

the
line,
the

fuel

----

to

a

in

or

must

the

fuel
when
tank

be

The

illustrations

publication

layouts

NOTE:

shut-off

line

The

fuel

vibration

inches.

A

filter/water
between
water
and/or

The

that

must

from

engine

fuel

water

not

with

is

line

and

Use

the

tank

Fuel

anti-siphon

Anti-siphon

valves

routed

should

chafing.

as

separator

fuel

the

fuel,

failure.

vent

cannot

be

shown

System

must

below

few

connections

tank

should

enter

allowed

on
Compliance

be

routed
The

is

and

both

be

the

the

following

protection.

devices
be

installed

the

top

and

line

recommended

eng

ine,

of

which

routed,

fuel

to

tank

accumulate

Guideline),

or

level

supported

should

in

the

to

are

and

(s)

page

(taken

show

electrically-operated

when

of

be

supply

for
remove

prime

the

through

the

the

fuel

to

supported

line

use

harmful

causes

discharge

in

fuel

prevent

in

the

the

the

from

basic

distribution

tank.

every

as

possible.

fuel

debr

of

fuel

located,

vent.

vent

Coast

fuel

leaks

12 -14

system,

is
system

so

Moisture

Guard

system

fuel

from

and

that

line.

10

Basic

Fuel

[UE

~

T AN

System

FUEL

~

TO

Layouts

LINE

ALWAYS

P--DLE!!",V_E_L_-==....:!!:..=.=!",,"=,_

NO

with

ABOVE

....

ANTI·SIPHON

Anti-Siphon

FUEL

TANK

TOP

LEVEL

_=~~=-====:=.~~:.-:-

DEVICE

OPERATED

VALVE

__

OR

NEEDED

Protection

-::-='::=:-:=:-=-=~~-:-d

ELECTRICALLY

ANTI·SIPHON DEVICE

VALVE

FUEL

TANK

TOP

~

ANTI·SIPHON
STOP

GOES BELOW

ANTI·SIPHON DEVICE

0-,.---- OPERATED

FUEL

liNE

BELOW

OR

ELECTRICALLY

AT

FUEL

TANK

WITHDRAWAL

LEVEL

FUEL

VALVE

DEVICE

AT

FUEL

OR

POINT WHERE

TANK

OR

ELECTRICALLY

FUEL

STOP

VALVE

------;p

FUEL

FUEL

TANK

TOP

OPERATED FUEL STOP
FITTING

LINE

BELOW

TOP

LEVEL

ELECTRICALLY

FUEL

DISTRIBUTION

TOP

LEVEL

TANK

TOP

LEVEL

ANTI·SIPHON

J OPERATED

FUEL

TANK

OPERATED

LEVEL

FUEL

LINE

DEVICE

FUEL

OR ELECTR

STOP

VALVE

--I

ICALL

Y

11

Fuel

system

alcohols)

in

the

components

blended

component

must

fuels.--pailure

failure

and

be

compatible

possible

to

ensure

injury

with

oxygenate

compatibility

to

the

user.

(butanes,

will

result

The
pump

use

is

discouraged.

on

debris

ing

pressure
Cooling
The

generator
exchanger.
pumped
the

exhaust

engine

The

and
it

sea

sea

through
ting.
brought

water

the

strainer

pump.

thru-hull

and

be

to

wire-reinforced
collapse
water

tion.

pump

Sea
mounted
so

as

to

of

the

under

System

into

fresh

water

water

This

through

fitting

the
from

water

at

be

check

eng

ine

their

for

engine

Sea

water

the

exchanger
discharge,
water

pump

should

a

flush-type

sea

and

Hoses

sea

the

during

or

below

always

valves

Check

to

seats,

check

valves

is

system.

is

be

water

a

visual-type

then

routed

to

water

suction

generator

strainers

the

self-primed.

in

place

valves

draw

defeating

fresh

is

used

by

carrying

belt-driven

supplied

hull

should

delivered

from

the

strainer

pump,

to

of

should

water

of

may

fuel

will

through

contribute

water-cooled

as

the

a

sea

with

to

fit-

be

sea

to

the

should

prevent

the

sea

opera-

be

line

the

tax

their

exchange

water

it

Longest Span

solenoid-type

the

ability

them.

purpose.

to

by

an

pump

the

Belt Tension

3/8-1/2 Inch

Deflection

and
heat

at

shut-off

of

the

Also,

Too

vapor

lock

engine-mounted

cooling

medium

then

removed

fuel

they

high

shutdowns.

injected

valves

can

a

crack-

and

from

lift
trap

heat

is

into

the

Do

not
hull
supply

fitting

to
pressure
fitting,
underway,
the

sea

water

the

generator

Flush-type,

be

located

angles

The

of

use
plumbing
restrictive

use

the

while

can

boat

of

the

CAUTION

a

scoop-type

for

generator.

against

the

push

pump

impeller

exhaust

clear,

on

the

operation.

common-type

sea

inside

the

this

vessel

water

thru-hull

hull

water

diameter.

thru-

sea

water
Water

and

system,

so

as

street

circuit.

type

is

past

in

to
fittings

to

12

filling

be

below

elbows

These

Machined

it
are

the

is

fittings

and

the

engine

recommended

waterline

not

recommended

generally

are

as

and

during

have

preferred.

well.

should

all

a

very

for

Automatic

Shutdown
High
An

open

Exhaust

exhaust

the

perature,

switch

22S·F

High

A

high
stat
the
ture

19S·F
Low
A

low

opens

(107·C).

Water

water

housing

generator

reach

(approximate).

Oil

oil
gallery
maintaining

shut

the

Exhaust

Temperature

temperature
ignition
indicating

at

260

Temperature

temperature

to

sense

should

approximately

Pressure

Shutdown

pressure

and

is

the

closed

electr

generator

Back-Pressure

switch

circuit

a

-

270·F

the

shutdown

down

Shutdown

should

lack

of

(127

Shutdown

switch

fresh

water

engine

20S·

Switch

when
ical

when

eng

run

engine

is

proper

Switch

is

fresh

F

switch
ine

located

(96·C)

circuit.

Switch

the

sea

-

l32·C)

(normally

located

coolant

water

+

-

(normally

is

oil

pressure

oil

(normally

on

the

switch

water

and

in

temperature

coolant

S·.

open)

located

This

pressure

exhaust

sense

coolant

resets

closed)

the

This

reaches
switch
drops

closed)

excessive

at

area

of

operating

switch

in

the

to

elbow

and

flow.

approximately

the

thermo-

and

shut

tempera-

resets

engine

10

-

IS

will

open

10 -IS

will

tem-

This

down

at

oil

psi,

and

psi.

Exhaust

prior

vice.

cessive

back-pressure

to

(Refer

back-pressure

performance

Measure

elbow

back-pressure

with

Back-pressure

over

39
at
1-1/2

3

inches

4·

C},

psi

inches

Excessive

by

small

muffler,

pockets

exhaust
Oil

Drain

An

oil
end
drained
the

or

system.

sump

secured

from

hose

tainer.

pump

added,

putting

to

the

and

generator

generator

(manometer)

of

mercury

of

water

22

ounces

(967

kg/m2).

back-pressure

diameter

sharp

high

bends,

volume

drain

by

a

this
from
The

the

hose

for

should

a

generator

illustration.)

will

power

at

under

(0.104

column

per

square

can

exhaust

fittings,

of

hose

is
bracket
hose

by

suppor t br

cap

fitting

easier

be

into

affect

output.

the

full

should

kg/cm2),

(0.099)

be

hose,

water

installed

at

the

removing

acket

is

checked

ser-

Ex-

engine

exhaust

load.

not

kg/cm

inch

caused

small
water

in

the

on

front

the

and

1/4-NPT

removal

be

2

or

the

of

cap

lower

engine

the
and

ing

and

of

engine.
the

the

can

oil,

Mercury

Manometer

with

the

discharge

hose

be

extended,

if

/,Exhaust

\

discharge

Oil

in

to

desired.

Exhaust
Elbow

may

end
a

con-

or

be

of

a

13

DC

Electrical

Connections

A common

generator,
stud.

Connect
for

this

To

failure,

engine

Grounding
The

Guard
connected
engine
prevents
and

Optional

tor

generator

regulation

smaller

must

ground

next

It

is

recommended

battery

connection.

avoid

do

is

between

grounded

accidental

electrical

be

the

Remote

for

to

positive

an

overcharg

not

running.

set

must

33CFR-183

the

starter

same

Start/Stop

negative

the

starter,

that

(+)

ing

disconnect

be

grounded

generator

motor

passage

conductors

size

as

(-)

the
to

CAUTION

which

circuit.

of

the

Panel

DC

is

in

the

battery

the

condition,

the

DC

to

specifies

set

cranking

largest
and

and

common

Instrument

found

form

starter

battery

comply

the

This

current

to

battery

at

of

ground

solenoid

and

poss

with

that

vessel's

conductor

the

the

bellhousing

a

threaded

be

connected

ible

source

United

a common

through

engines.

cable.

Panel

terminal

equipment

while

States
conductor

main

(common

propulsion

fuel
This

of

the

grounding

here.

tagged

the

Coast

be

ground)
systems
conduc-

An

optional

switches

will

is
engine
connected
panel.
start/stop
galley.

An

an
engine
can
panel
tored

*

sizes

glow

depressed

optional

engine

be

and
and

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and

starts

(Refer

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wired

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when

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pressure

to

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start/stop

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engage
signal

terminal

to

wir

can

hourmeter

the

terminal

at

for

wire

be

the

RUN

indicator

switch

the

to

ing

diagrams

mounted

panel

gauge,

and

location

operated.

proper

lengths.)

panel
is

starter,

release

blocks

is

water

start/stop

blocks

connection

is

available,

light.

depressed,

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board

Hertz

be

block,

2.

3.

Adjust

to

the

Engine
dr

iven

paragraph
Adjust

explained

the

voltage

speed

governor.

under

no-load

in

engine

selected.

is

ENGINE ADJUSTMENT,

earlier

speed

increased

voltage

paragraph,

(See

to

or

Governor

output

obtain

decreased

to

No-Load

21

the

frequency

by

and

later

in

corresponding

Voltage

adjusting

Governor

this

manual.)

Adjustment.

corresponding

the

Adj

belt-

ustment

frequency,

as

Load

Connections

The

of

generator

the
louvered
vol

tage

figure

The

generator

120/240

three-wire,
section

NOTE: When

an
on
cover

according

When

loads
as

the

are

balanced

(llO-Volt)

duce

a
legs.
unloaded

depend

leg.
form

Heavy

as
generator
on

the

and

unloaded

generator.

cover

connect

on

the

VAC

three-wire,

or

for

ratings.

eng

ine

the

AC

on

the

generator

applied

as

output

voltage

The

on

leg

voltage

will

the

loads

above

end.

rotating

stator

data

An

on

the

ions

following

is

single-phase,

220

VAC

changing

speed

output

back

to

the

to

possible.

legs

difference

go

amount

applied

and

The

field

plate

AC

gives

wiring

generator

is

prov

page.

at

two-wire,

the

adjustment

terminal

end

AC

wiring

is

wired

the

120-Volt

while

on

the

up.

also

of

The

load

produce

noise

as

its

120-Volt

ided

60

Hertz~

frequency

of

the

A

load

none
between
loaded

severity

to

one

results

magnetic

(llO-Volt)

voltage,

decal

end.

on

reconnectable

at

50

must

block,

generator,

diagram.

for

120/240

(llO-volt)

applied

is

the

leg

applied

leg

a

rattling/growling

from

is

A

the

or

110

Hertz.

produced

be

made

located

applied

two

will

of

to

will

the

field

output

current

affixed

diagram

decal

VAC

and

under

also

Volts

legs,

to

one

to

120-Volt

go

this

voltage

the

cause

unbalanced

passes

windings.

and

to

and

120

two-wire,

Refer

by

the

the

must

(110/220

these
of

the

down

one

the

frequency

the

inside

of

the

is

simi

VAC

to

specifications

generator,

connections

the

louvered

be

loads

the

other,

(llO-Volt)

and

difference

120-Volt

generator

noise

effect

through

various

lar

two-wire

110/220

changed

Volts)

must

two

120-Volt

will

that

(llO-Volt)

to

from

produced

the

rating
of

the

to

the

VAC

and

pro-

output

on

the

will
per-

the

loaded

AC

or

be

NOTE:

ammeters

A
AC
AC

being

circuit

load.
output

taken

and

considerations.

It

is

(optional)

breaker
This

react

recommended

off

each

should

circuit

to

so

that

leg

of

be

installed

breaker

overloads

that
the
the

should

quickly,

the
operator
generator.

between

be

installer

can

the
rated
subject

observe

generator

for

to

provide

the

the

generator's

motor

AC

load

and

starting

the

22

AC

voltage

Connections

TO

FRAME

'1\

, ,O/220V 50Hz

o

120V 60Hz

0

0 0

N

o

TO

<l

0

FRAME

n

0

0

60

Hertz,

o

L,

nov

TO

FRAME

120/240V

60Hz

()

N

0

0

L,

1800

50Hz

0

rpm

o o

o

o 0

L2

220V 50Hz

o

NOTE:

110

Volts,

For
minal

o

The

making

ends

--,-----<L

.. _ ..

frame

50

Hertz

connections

that

J---

N

ground

will

50

to

Hertz

wire

110/220
to

the

accept

N

1500

must

Volts,

AC

#6

--'---~-

rpm

be

moved

50

terminal

or

#8

o

L,

when

changing

Hertz.

block,

multi-strand

N

use

L,

#10

from

ter-

wire.

23

Shore

Power

Connections

If

the

installer

must

be

done
tion-off
simultaneous

Damage
generator

~

( N

connects

by

means

transfer

connection

to

the

generator

output

Generator

___

A~_--,

G1

G2

. -

I

I

I

I

L-----/-(1)

I

_____

I

I

I

I

I

'---+------f-\!5

.---~\~7

'--------f--+-----f--I.9

I

I

I

I

I
I

switch

of

of

shore

the

shown

shore

power

SHORE

below.

power

to

the

vessel's

POWER/OFF/SHIPS

Use

to

generator

of

this

AC

GEN,

switch

output.

circuit,

center

this

posi-

prevents

CAUTION

can

result

are

connected.

NOTE: Diagram shows connections for

wire,

120-volt system. For three-wire

system

use

hot

//--

......

,

I +-_

\~

\

II

"'~-"':G:c..:~::';';:':::"~

~\

2/

"-

/--"

/ \

8 \

r64/--+~

'-

/

~_/

.---,

/

'\

\ Neutral

'f-+--+-~=--'N

______

dotted lines for

leg.

--I

'-----'L1

if

I

I

I

I

I
I
I
I

I

L-"L2

--ill'

utility

two-

the

other

Ship's Load

shore

Shlp-to-Shore

PN 32008
PN
PN

power

SWitch

32009
32010

and

•

S1

N )

y

Shore Power

24

OPERATION

Prior

•

•

•

•

•

•

•

•
Engine

to

Lubricating
Coolant
Fuel
Sea

to

water
Battery
Generator
Exhaust
Belt

tensions

Oil

Use a good
Refer

to

capacity.
which

Fresh

the

Water

starting

oil

(fresh

engine

connections

connections

AC

connections

grade

the

Use

unit

will

Do

Coolant

the

generator,

level

water)

electrical

(governor/fresh

of

oil

API

specification

the

proper

be

operating.

not

use

check

connections

water

Spec.

section

SAE

number

CAUTION

oils

designated

SD

the

pump)

or

SE,

of
for

API

following:

preferably

this

the

manual

ambient

Spec

DS.

SE.

for

oil

temperature

sump

at

To

coolant,
engine
via

F

ill

water

inum

antifr

This

broken

ture

cooling.

avoid

the

the

and

cooling

eeze

is

to

up

will

NOTE:

filler
to

recovery

serious

never

is

hot.

remote

fr

esh

water

antifreeze.

system

and

water

ensure

and

will

provide

Ensure
neck

remove

Coolant

coolant

components

befor

that

not

freeze

the

area

tank.

injury

cooling

Use

an
e

any

gelatin-like

clog

passage

is

clear

WARNING

from

engine

should

recovery

system

antifreeze

(Alumi

placing

the

cooling

protection,

between

before

escaping

manifold

always

tank.

with

that

Guard).

in

the

globules

reduce

the

attaching

filler

be

a

eng

system

manifold

steam

added

50-50%
is

compatible

ine'

in

exchanger.

corrosion

connecting

or

scalding

cap

to

when

the

mixtur

Thoroughly

s

cooling

the

antifreeze

and

fitting

the

system

e

of

with

mix

system.

This

and

hose

alum-

aid

fr

mix-

esh

the

are

in

25

A

coolant

supplied

be

installed
pansion
creating
the
used

coolant.

cooling

for

recovery

with

to

and

or

introducing

system.

monitor

tank

each

contraction

engine

allow

ing

(*24977)

coolant

It

should

and

and

without

air

adding

is

must

ex-

into

be

NOTE:

through

it

via

manifold

recovery

Fuel

-

Use
gasoline

clean,

Do

Vapors

explosion.

Gasoline

eventual

ide,

will

not

a

the

filtered

may

a

If

leak

be

necessary

filler

and

tank.

be

used

fill

and

engine

poisonous

death.

coolant

in

then

unleaded

when

the

spilled

is

the

to

cap

refill

unleaded

fuel

fuel

exhaust

gas

lost

system,

refill

on

the
the

gasoline

tank

gasses

that

is

not

WARNING

while

may

WARNING

ignite

can

line

available.

the

contain

cause

when

generator

causing

deadly

available.

is

a

fir

carbon

unconsciousness

Regular

running.

e

and/or

monox-

and

The

symptoms

Headache

•

Dizziness

•

Relaxed,

•

Vomiting

•

Muscle

•

Throbbing

•

If

any

generator,

~overed,

and

Regular
quired

leaks.

of

inspect

to

of

sleepy

spasms

at

these

immediately

shut

inspection

down

the

prevent

carbon

feeling

temples

the

symptoms

exhaust

and/or

monoxide

get

the

system

of

the

poisoning

are

out

generator,

for

generator

correct

26

experienced

into

the

ventilate

leaks.

potentially

are:

while

fresh

exhaust

operating

air.

the

system

deadly

the

When

compartment,

re-

is

re-

exhaust

Starting
ventilate

attempting
tially

Starting

1.

2.

Depress
Depress

the
sufficient

Check

NOTE:

load.
Break-In
Run

Avoid

to

the

help

light

generator
Repeated

piston

the

to

explosive

sequence:

the

START

exhaust

Allow
Apply

generator
seat

the

loads

50

percent

light

rings,

generator

start

fumes

ON

the

START

switch

oil

discharge

the

only

at

engine

for

loads

resulting

compartment

the

engine.

from

switch

only.

pressure

generator

light

varying

piston

the

or

more

during

in

the

and

switch.

for

loads

loads

first

during

break-in

blow-by

The

generator

hold.

When

Allow

and

sea

to

warm

during

for

rings

100

and

for

a

minimum

ventilating

compartment

(No

load

the

a

then

water

up

before

warm-up.

the

properly.

hours

this

can

time

cause

high

on

engine

few

release

coolant

first

of

period.

improper

oil

of

5

minutes

blowers

remove

and

generator).

starts,

seconds

the

flow.

applying

25

hours

operation.

seating

consumption.

bilge.

to

ON

a

of

before

poten-

release

establish

switch.

heavy

operation

Load

of

the

the

Stopping

1.

Remove

to

2.

Depress

stopped

Generator

the

dissipate

STOP

rotating,

load

heat

switch

and

and

then

allow

stabilize

and

release.

generator

hold

operating

until

to

run

generator

unloaded

temperature.

has

completely

for

5

minutes

27

SERVICE

AND

MAINTENANCE

Regular
the

service

Table

visually

Check
Check
Check
Clean

Check
Change
Check
Torque
Check
Clean
Check
Check
Check
Check
Check
Check
Check
Check

inspection

of

Scheduled

inspect

lube

oil

coolant

fuel
air
spark

valve

lube

supply

screen

plugs
oil

clearance

cylinder

AC

connections

and

lube

exhaust

starting
fuel
belts
zinc
sea

filters

and

anode

water
governor
timing

life

of

unit

level

level

and
head

governor

system

battery

belt

in

pump

adjustment

belt

and

servicing

the

unit

Maintenance

(flame

arrestor)

filter

bolts

linkage

tension

heat

exchanger

and

of

the

reduces

engine

repair

Daily

X
X
X
X

X

and

costs

50

Hrs.

X-I
X-I
X-I
X-I
X-I
x-I

X-I
X-I

X-I
X-I
X-I
X-I

X-I

generator

and

100

Hrs.

X

X

X

X
X
X

X

X

increases

down

300

time.

500

Hrs. Hrs.

X

X

X

X

X

X

(X-I:

NOTE:
Engine
Check

oil

Lube

lube

level

regularly.

Select

the

operation.

Temperature

Engine oil

Initial

Replace

Oil

oil

at

Use a

proper

the

50-hour

break-in

timing

level

full

good

prior

mark

brand

SAE-numbered

Ie')

W)

-30

-20

.":"}'}:'

.

i·5W~20>

.·.'."-30.

<:

<"

check)

belt

on

-20

........................................................

•.........•........

after

to

each

the

of

oil

-10

o

<.}........

··········/·····.····:·.·'OW;;

day's

dipstick.

oil

that

for

20

........

...

<[

••

::.)}:_.;~}

······;.:··?

..

·.···\/ti.·.:.:30·}·

<t·}·

...

··

".

···

1500

hours

use.

Change

meets

the

temperature

o

...::::::

..

40<>

.........

··•···

...

10

40

... ) ..

···:.:···V···2OWf··.:.:.<.o

60

}:i\

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:(}:.3iJ/.......:.::....}.:/

•••••.....•

....

..:·····

...................

...............

}/,

...

:·

.....

of

Maintain

API

Spec.

20

m>

}}

..............

<

•.

~.!IO<

·?

...... \ .....

?:>

....

>Y//lOW;4

operation.

oil

and

condition

30 40

80

<<'IT/§ill.~.21.

....

><>

i>::i22l7.8;.:;

......

the

SC

100

··.<

filter

or

•.

...........

·····•·•·•·•··

sump

SO.

..

········

......

of

50

120

.

28

Electric

Fuel

Pump

The

pump

eng

supplies

carburetor

A

cleanable

tained

Shut
engine

system.
fuel

men

smoking,
other

fuel

Ensure

servicing

Remove

a

wrench

it

loose

Clean

the
the

the

base

base

installed.

ine-moun

during

in

its

off

when

ts.

sources

system

the

on

the

from

screen

gasket

cover

ted

fuel

filter

base.

WARNING

fuel

when

Take

opening

Do

open

proper

the

base

hex

the

as

(:It

is

electr

to

engine

screen

service

servicing

care

filter

not

flames,

of

fire
when
ventilation

fuel

system.

cover

nut

and

bayonet

needed.

34706)
removed

ic

the

engine

operation.

is

valve

to

catch

allow

sparks

near

servicing.

by

placing

twisting

fittings.

Replace

each

and

fuel

con-

at

fuel
ele-

any

or

the

when

time

re-

Filter

Screen

Magnet

Sealing Gasket

Spark

Check
To

service

gap

Spark

Spark

Plugs

NOTE: Remove

plugs

plugs

with

for

spark

or

replace,

plug

plug

gap:

torque:

and

engine

damage

plugs,

as

needed.

0.028

10.8

install
cold.

and/or

-

(0.07

-

(1 • 5 -

clean

0.036

-

0.9

15.9

2.

spark

wear.

and

inch

mm)

Ib-ft

2 kg -m)

Wear and

Adhesion

of

Carbon

Burnt

Condition

Damage and

Deterioration

Damage

29

Cooling

System

Monitor

scale

are

mixture.

ponents.

Maintain

sea
belt's

water

longest
tighten
tightening.

Check

the

flexible

Check
and

An

the

inner

excessively-worn

improper

Cylinder
Tighten

should
before

be

tightening

system

evident,

Use

proper

pump,

as

it

impeller

and

not

sea

wear

cooling.

Head
cylinder

cold.

coolant

flush

antifreeze

belt

three-eighths

span.

is

cracking.

water

plate.

and

Valves

head

Loosen

in

(50/50

and

that

tension

Replace

possible

in

the

pump

pump

bolts

the

sequence

clean

sea

for

will

each

antifreeeze

system

is

compatible

on

the

to

one-half

if

cracked

to

bend

water

wear

not

in

the

bolt

shown.

and

fresh

water

or

the

pump.

on

the

pump

efficiently,

sequence

one-eighth

mixture)

replenish

with

inch

deflection

fr

ayed.

governor

Ensure

front

and,

the

aluminum

circulating

shaft

the

cover,

shown.

to

one-quar

if

rust

antifreeze

engine

pump

along

Do

not

by

vanes

cam

resulting

The

ter

over­over-

plate

eng

or

com-

and
the

are

in

ine

tur

n

®

.,

"0

"en

_

C

o -

.t

Tightening

® ®

Sequence

I

Head

bolt

tightening

32

-

(5.0

43.4

-

6.0

torque:

lb-ft

kg-m)

30

Valve

time

clearance

bolts

are

should

torqued.

be

checked

and

adjusted,

if

necessary,

each

Valve

Valve

1.

2.

Clearance

(Hot)
(Cold)

Adjustment

Rotate
No.

intake
for

Rotate
Locate
stroke

1

No.

piston

and

the
the

and

cylinder

~rl

Crank angle . j

When No.1 piston
end of compression stroke.

When No.1 piston
tops of intake and end of
exhaust strokes.

the

2

cylinder

and

is

set at

is

set at

0.0079

0.0071

exhaust

beginning

Adjustment

Procedure

crankshaft

at

crankshaft

piston

the

IN

EX

IN

EX

inch
inch

the

top

valves

and

in

of

exhaust

I

I

0

I

0 0

(Both
(0.20

(0.18

in

the
in

No.

intake.

2

0\

io

normal

of

for

intake

its

1

valve

3

0

intake

rom)
rom)

its

No.1

normal

cylinder

Adjust

for

and

exhaust):

direction

compression

cylinder,

valve

for

direction

at

the

No.

3

cylinder.

No.3

the

intake

of

stroke.

the

of

end

rotation,

exhaust

cylinder.

rotation

of

valve

Adjust

valve

its

for

placing

the

for

360·.

exhaust

No.

2

31

ENGINE ADJUSTMENT

Ignition

Attach

shaft
and

pulley

mark

referencing
Start
Check

ing

the

timing

with

Adjust

turning
on

the

tighten

NOTE:

according

Check

Timing

a

timing

timing

same.

these

engine;

with

no

load

timing

distributor

crankshaft

the

distributor

Check

generator

as

to

light

Use

two

an

on

needed

to

notch.

of

white

points

allow

ignition

the

generator

in

the

pulley

hold-down

eng

ine

the

procedure

performance

No.

it

by

desired

in

speed

1

spark

Locate

or

yellow

with

to

warm

timing

loosening

alignment

and

under

timing

the

up

light.

(61.5

direction

bolt.

adjust

given

plug

pointer

marking

timing

and

stabilize

-

62.0

distributor

with

later

load.

Timing Pointer

and

mark

crayon

light.

Ensure

Hertz).

to

place

the

timing

governor

in

the

on

front

helps

engine

engine

hold-down

the

pointer.

as

this

section.

front

gear
greatly

speed.

is

bolt

timing

needed,

crank-

case-

in

operat-

and
mark
Then

---

32

Electric

Choke

The

choke
Some

electr

automatically

hunting

choke,

To

housing

before

The

choke

Adjust

rotating
clockwise

factory

The

choke

bient

ic

choke

will

with

avoid

no-load

burns

while

making

is

adjusted

the

for

the

to

choke

cover

set

an

may

temperature

once

be

on

choke

by

the

average
need

of

uses

a

l2-Volt

the

present

the

generator.

on

fingers

engine

is

adjustments.

with

loosening

clockwise

choke

of

rich.

70·F

readjustment

the

area

engine

when

WARNING

or

operating.

the

engine

the

to

(2l·C)

at

in

heating

starts

the

hands,

three
set
The

room

engine

which

and

generator

off

and

cover-secur

the

choke

choke

temperature.

commissioning

the

element

is

running.

do

not

Allow

at

is

initially

engine

which

is

touch

eng

room

lean

opens

started

ine

temperature.

ing

screws

and

set

for

is

to

and

the

to

counter-

the

operate.

choke

cool

at

the

on

and
the

am-

NOTE:

lower

Choke

right,

index

inboard

mark

side.

is

located

33

on

the

choke

cover:

Carburetor

1.

Idle

Adjustment

Mixture

Jet

Disconnect
and
mixture
back
skips
turn.

NOTE:

engine

2.

Run

This

The

to

prove
Governor
The

governor
generator
voltage

The

fr

equency

governor

(Generator

reduce

screw

again;

Idle

Oil

shut-down

Mixture

mixture

idle

improve

engine

and

load.

output

ou

Data

the

engine

screw:

out

mixture

pressure

Jet

jet

mixture

eng

performance

Governor

maintains

The

of

the

will

tput

maintain

from

Plate).

throttle

speed

turn

linkage

with

screw

(counterclockwise)

turn

screw

should

clockwise

be

switch

due

to

low

(1800

is

jet

ine

rpm)

presized

adjustment

per

formance;

as

Adjustment

engine

engine

speed

generator.

engine

no-load

arm

the

idle

clockwise

slowly

satisfactory.

will

oil

at

need
pressure

the

can

the

well.

speed

determines

speed

to

full

from

stop

(in)

to

factory

be

made

governor

under

to

within

rated

the

governor

screw.

(in)

until

until

engine

one-quarter

be

jumped

at

idle.

and

in

adjustment

varying

the

frequency

3

load

Adjust

to

is

not

the

Hertz

of

control

the

engine

smooths

to

one-half

prevent

adjustable.

1800

rpm

conditions

and

of

generator

the

gener

idle

skips;

then

range

can

effects

ator

arm

im-

of

Operate

perature

NOTE:

manually

put

There

are

illustration.

1.

Increase/Decrease

This

to

set
the
arm
and
adjusted
throttle
engine

the

generator

before

voltage

three

)

adjusting

the

eng

ine.
between
throttle

full

is

attempting

If

the

adjust

before

adjusting

no-load

the

lever

to

open

not

running).

set

governor

the

proceeding

Speed

screw

speed

(The

governor

should

hold

when

to

an

linkage

points

is

used

linkage

arm
the

the

En-

bring

the

adjustment.

is

severely

at

no

with

on

of

be

engine

load

the

Carburetor Throttle Lever

to

the

adjustment.
governor.

up

out

of

obtain

Increase/Decrease Speed

to

operating

adjustment,

a

safe

(Refer

out-

to

tem-

the

34

sure

are

this

properly

graphite

2.

Hunting/Regulation

If

variation

great,

hub.

The

increase/decrease

I f

the

the

spring

3.

Bumper

linkage

lube

adjust

governor

away

Screw

lubr
to

in

this

moves

icated.

the

engine

eyescrew

surges

from

freely

inside

speed

speed

under

the

(Disconnect

of

between

to

screw

lever

and

the

draw

load,

hub.

that

joint.)

the

may

the

the

no

load

spring

need

adjust

(Check

ball
ball

to

this

speed

and

closer

be

joint

connectors

joint

full

load

to

adjusted

eyescrew

adjustment.)

and

the

as

to

apply

is

lever

well.

move

too

This

Never

engine's

quency.

Governor

Per

iOdically

and

throttle

movement

throttle

Remove

by

popping

and

lubr

reassemble.

Governor
oil.

Do
Change
To

change

drain

all

liters)

screw

adjust

no-load

Maintenance

lubr

lever

of

this

operation.

governor

the

icate

oil

capacity

not

overfill

governor

oil,

oil.

of

SAE

is

the

ica

linkage

linkage

linkage

linkage

oil

remove

Reinstall

10W-30

used

bumper

speed;

te

link

with

end

socket

- 3
the

every

governor

engine

screw

ag e

a

graphite

arm

from

carburetor

of

ounces

governor.

500

on

engine

oil.

to

this

arm

the

and

(89

hours

from

remove

so

that

will

attaching

is

ball

arm

milliliters)

of

engine,

and

Replace

a

it

increase

lubricant

important

throttle

connector

ball

operation.

fill

fill

no-load

will

poin

or

for

with

remove

with

plug.

cause

the

ts

equivalent.

proper

arm

on

these

gr

of

SAE

oil

3

ounces

surge

an

operating

at

gover

and

governor

arms.

aphi

te

10W-30

fill

increase

nor

governor/

lube

engine

plug

(89

milli-

only.

in

fre-

arm

Free

arm

Clean

and

and

Governor

if

it

drive

becomes

Do

not

on

governor

belt

worn

or

overtighten

or

should

a

shows

the

bent

be

maintained

signs

CAUTION

governor

governor

of

shaft

35

in

cracking.

drive

will

good

belt.

condition.

Premature

result.

Replace

wear

DC

CIRCUIT

GASOLINE

DESCRIPTION:

MARINE

GENERATOR

BTG 9 KW

SET
Safety
This

States

be
sibility
remote

compliance

these
Electrical
The

which
starter

Start

35-Amp
alternator

14.5

Wi

thin
there
is

Information

circuit

Coast

made

requirements

generator

includes

battery

DC

Volts,

is

a

manually-resettable

is

designed

Guard

to

it

by

the

to

assure

start

is

alternator.

7

inches

a

panels

with

System

internally-grounded

does

0 -

circuit

the

is
a

self-contained

charging

not

35

and

Standards

installer

that

could
Characteristics
started

have

Amps.

of

breaker

or

above

is

Its

the

the

remote

Coast

be

by

accomplished

voltage

isolation

battery

circuit

manufactured

(33

CFR

or

user.

installation

instrument

Guard

the

cause

a

conventional,

positive-engaging

to

the

regulator

diodes.

connection

which

protects

breaker.

PART

It

of

Standards.

of

injury.

engine

through

all

in

183).
is

the

panels

block.

is

DC

to

compliance

No

modifications

the

installer's

generator

are

Failure

separate

starter

a

belt-driven,

self-contained

voltage

the

subsequent

starter

with

set

installed

to

cranking

solenoid.

output

wiring.

United

may

respon-

and

12-Volt,

and

is

solenoid

any

observe

motor

The

the

13

This

1

in

-

Three

and
design
environment.

Two
the
panel

The

is

There

approximately
the
1/40th
battery.
unnecessary

operation.
months,
which

An
generator
LED

the
the

manually-operated

stop

in

panel-mounted

running

circuit.

choke

conventional,

is

ignition

of

stop

provides

optional

which
LED
LED

is

then

the

an

an

As

from

gener

the

B+

is

automatic

overspeed

2175

system.

Amp)

this

to

If
this

remote

brightens

to

alert

continues

ator

interests

fuses

circuit

with

rpm,

at

only

be

concerned

the

slight

12

Volts

a

remote

the

momentary
set.

of

are

through

and

electrically-operated.

contact

shutdown

shuts

This

all

times,

amounts

generator

drain

to

the

start

location.

at

approximately

operator

indicating

No

simplicity

installed

the

points.

which,

off

shutdown

once

to

about

with

panel

this

set

by

generator

to

that

toggle

control

and

to

protective

when

the

generator

consumes

the

18

slight

were

turning

is

available

Remote

600

release

the

switches

relays

reliability

protect

switches,

it

generator

Amp-hours

discharge

to

be

off

set.

start

engine

the

the

generator

are

are

the

The

senses

set

25

milliamps
is

unattended

main

for

panels

rpm.

starter

used

present

in

starter

and

ignition

engine

by

grounding

connected

in

a

month,

during

battery

controlling

include

The

toggle

set

is

to

in

the

marine

circuit,

the

remote

system

speed

(.025

to
normal

for

switch

a

green

purpose

switch;

running.

start

the

out

its

it

many

the

at

or

is

of

36

An

optional

start

ing
gauge,
start-stop

for

water

con

troIs.

oil

pressure

control

temperature

remote

instrument
This

gauge,

switches,

and

panel

oil

panel

battery

and

senders

pressure.

also

is

available

includes

voltmeter,

to

be

a

water

operating

installed

which

on

includes

temper

ature

hourmeter,

the

engine

Circuit
The

during

toggle

While

switch
swi

tch

Description

two-pole

starting.
switch.

continuing

and

is
starting
generator
START

switch

Continue

tinue

holding
pressure
viding

imposs
unless

While

and

the

ible

ON

operating,

wi

11 g round

approximately
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the
overspeed
This

is

done

proceeding

switch

T-l

coil

itself

connection

ON

to

bypass

oper

ated

at

the

is

running.

when

depressing

the

is

sufficient

normal

to

energ

switch

2175

generator

circuit

by

simply

with

is

switch

The

second

to

hold

to

generator

the

green

the

ON

switch

B+

path

ize

is

depressed.

the

overspeed

the

ignition

rpm.

~

the

normal

faulty

and

bypasses

pole

the

the

protective

cause

set,

If

starting

LED

ON

switch.

after

to

close

to

the

shut

be

starter

down

reset

depressing

starting

and

check

resetting

for

the

provides

ON

switch

the

starter

release

brightens.

releasing

the

the

ignition

This

shutdown
system

from
in
the

spark

shutdown

at

a

It
oil
wh

ile

protects

if

order

STOP

procedure.

will

at

protective

a

source

to

provide

to

crank

the

START

remote

is

only

the

pressure

system.

the

the

module

it

sense

an

overspeed

to

switch

not

plugs.

shutdown

of

switches,

location,

necessary

START

safety

gener

ator

starter

monitors

s

restart

momentarily

If

correct

B+

to

B+

to

the

eng

switch

switch

switch,

Note

motor

engine

eng

ine

condition,

the

the

it,

switches

the

the

the

ine.

when

release

to

until

that

is

running,

gears.

speed

generator.

and

overspeed

lift

START

START
START

If
the
the

con-

oil

pro-

it

is

speed

at

the

then

the

It

is

very
installed
shutdown

be

a

cause

nor

fail

To

stop

the
normally-closed
must
panels

remote
the

installed.

be

depressed

may

start/stop

eng

ine

be
con

Refer

important

and

functioning.

module

of

injury

and

cause

generator,

B+

path

(opened)

connected

panel

trol

to

which

panel

the

WARNING

that

would

should

the

generator

depress

to

the

ON

until

to

the

the

schematic.

when

engine

the

Any

overspeed

tampering

cause

the

generator

the
and
generator

generator

A
either
DC

wiring

37

it

to

run

STOP

START

jumper

of

shutdown

with

to

malfunction,

belt-driven

away.

switch

switches.

comes

set

to a stop.

as

wire

the

opt

schematic.

the

which

The

illustrated

must

be

ional

always

overspeed

could

gover-

opens

STOP

Remote

removed

panels

be

switch

start

in

is

the

the

from

in-

Use

of

GENERAL

Electric

INFORMATION

Motors

AND

CARE

OF

THE

GENERATOR

The
than

power

is
require
motors
than
as

other

washing
started,
as

much
whenever

generator.

4

times

s

tart

motor

than

In
to

any

connected

a

general,

medium

required

required

much

require

types.

such
current

possible,

as

mo

motor

starting

to

more

more

machines,

as

small

to

Capacitor

much

tor

current

var

to

to

which

the

current

Motor

Size

(HP)

1/6
1/4
1/3
1/2

3/4

1

to

start

keep

current

current

They

are

or

power

start

if

the

and

ie s with

an

air

no

loads

an

electr

it

running

to

to

commonly

where

tools.

as

electr

start

loads

to

start,

run,

ic

after

used

Because

motor

repulsion-induction

to

start

the

as

load

compressor,

load

required

will

is

connected.

to

be

approximately
Running

Current

(Amperes

3.2

4.6
S.2

7.2

10.2
13

ic

motor
it

than

under

on

are

applied

their

is

to

run.

connected

for

start

)

is

is

started.

others.

similar

easy-starting
they

require

use

to

be

motors

The

to

example,

11S-Volt

follows:

as

6.4

9.2

10.4

14.4

20.4
26

considerably

Split-phase

circumstances,

after

should

driven

require

current

it.

will

motor

Starting
Current

(Amperes)

to

22.4*

to

32.2*

to

72.8*

to

29.2

to

40.8

to

S2

Some

loads,

the

5

to

be

by

from

required

An

require

s

connected

more

motors

(AC)

such

motor

7

times

avoided,

a

small

2

electr

more

is

to
to
ic

*Note
some

starting

Because

required
can

ficulty

cal
Required
Although

frequency
in
load
loaded

that

small

bring

loads

this

applied,

in
motors

types

the

for

the

is

experienced

and,

Operating

individual

of

manual

to

its

the

above

than

(split-phase)

heavy

only

an

motor

if

possible,

Speed

typical

are

then

full

surge

instant,

up

units

60-(SO-)

approximately

at

capacity

table

for

to

in

half

larger

are

of

current

speed

starting

reduce

may

Hertz

the

as

the

maximum

ones.

not

the

generator

in

motors,

the

vary

as

generator

indicated

38

starting

This

made

in

larger

required

will

a

few

seconds

turn

load

on

slightly,

engine-driven

follows

capacity

on

the

current

is

because

for

not

off

the

electric

the

normal

generators

when

generator

sizes.

starting

be

of

time.

all

other

run

and

is

the

motors

damaged

motor.

voltage

described

first

finally

data

more
hardest-

if

If

dif-

electri-

with

when

plate.

for

is
it

and

no

Load

Applied

4-Pole
Speed

(rpm)

Frequency

(Hertz)

Generator

l20V

(110)

plants

Voltage

240V

Plants

(220)

The

output

operation

If

an

AC

load,

check

Preventive

Maintenance

•

•

Keep

Ensure
ing

the

AC

chaffing.

None

Half

Full

voltage

of

the

voltmeter

it

with

Maintenance

on

the

generator

all

connections

voltage

1830

(1530)

1800

(1500)

1755

(1455

)

should

generating

or

ammeter

a

portable

generator

clean,

are

62

(52

60

(50)

59

(49

be

checked

plant

is

meter

is
dry

are

clean

properly

)

(112

(110)

)

(100)

and

not

and

minimal.

and

well-ventilated.

and

supported

122

)

120

110

periodically

the

appliances

installed

amprobe.

tight

244

(224

240

(220)

220

(200

to

and

and

)

)

to
it

supplies.

monitor

that

protected

ensure

voltage

cables

proper

and

carry-

against

•

The

maintenance

replace

General
A

complete

Generator

through

rear

armature

is

it.

Troubleshooting

is

your

and

local

illustrated

furnished

bearing

required.

dealer.

in

is
If

text

the

lubricated

the

bearing

on

troubleshooting

Technical

and

sealed;

becomes

Manual

that

therefore,

rough

the

is

or

noisy,

9

KW

available

no

BTG

39

ENGINE TROUBLESHOOTING

Engine

to

start

Engine

cranks

does

Trouble

but

not

crank

fails

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

1.

2.

3.

4.

5.

6.

7.

possible

Out
Engine
Filters

of

fuel

flooded

clogged

fuel

voltage

drop

switch
Worn
Bad

or

faulty

ignition

High-tension

(system

wet)

Automatic

Fuel

pump

clogged
Filter
Faulty

and

(Lift

Engine

Battery

Sea
Loose

Voltage

in

overspeed

start)

Tl

circuit

low

water

battery

drop

solenoid

Bad

starter
Faulty
Engine

START

DC

tripped

Cause

at

spark

coil

leads

shutdown
inoperative,

carburetor

coil

connection)

breaker

or

dead

in

cylinders

connection

at

terminal

solenoid

switch

circuit

by

contaminated

(+)

on

plugs
grounding
switch

clogged

switch

starter

breaker

overspeed

faulty

filter

(reset

tripped

Engine
shuts

Backfire

starts,

down

through

runs

carburetor

and

1.

2.

3.

4.

5.

6.

7.

1.

2.

3.

4.

5.

6.

Faulty

switch

Faulty

and

start,

switch
Faulty
Faulty
Engine
Dirty
Low

fuel

oil

Ignition

Engine
Choke

Plug

stuck

wires
order
Distributor

Dirty

air

automatic

overspeed

lift

will

fuel

STOP

not

pump

switch

circuit

filters

level

in

timing

flooding

closed

wrong -check

cap

cleaner

shutdown
switch

Tl

coil

reset.)

breaker

sump

wrong

cracked

(reset

if

tripping

firing

40

ENGINE

TROUBLESHOOTING

(continued)

Engine

Engine

Engine

Trouble

overheating

hunting

misfires

Possible

1.

2.

3.

4.

5.

6.

7.

8.

1.

2.

3.

4.

5.

6.

7.

8.

1.

2.

3.

4.

5.

6.

Cause

Coolant

loss

(Pressure
Belts
Sea

Sea
Faulty

loose
water
water

hose
Thermostat
Exchanger
Faulty

gauge

thermometer)

Throttle

Dirty

fuel

Defective
Governor
Valves

out

Generator

Cracked

Faulty

distributor

high-tension

Ignition
Spark
Valve

Dirty

Dirty
Poor

plug

clearance

carburetor

air

quality

test

pump
pump

or

system)

broken

impeller

worn

stuck

clogged

(check

linkage

filter

fuel

out

pump

of

of

adjustment

overloaded

timing

worn

cleaner

fuel

faulty

closed

with

binding

adjustment

leads

wrong

incorrect

High

Low

oil

No

DC

battery

Black

Blue

oil

pressure

pressure

charge

exhaust

exhaust

to

start

smoke

smoke

1.

Faulty

2.

Relief

3.

Dirty

1.

Low

2.

Faulty

3.

Wrong

4.

Stuck

5.

Faulty

1.

Connections

loose

2.

Faulty

3.

No

IG

1.

Dirty

2.

Choke

3.

Carburetor

1.

Worn

2.

Worn

3.

Lube

4.

Crankcase

gauge
valve

or

wrong

oil

level

gauge

SAE

relief

oil

or

faulty

alternator
excitation
terminal

air
stuck

or

misadjusted

or

unseated

oil

diluted

stuck

SAE

oil

valve

pump

to

alternator

to

intake

closed

flooding

breather

oil

alternator

valves

piston

hose

rings

clogged

41

TABLE

OF

TIGHTENING

TORQUES

Cylinder
Main
Connecting

Front

Flywheel

Rocker
Spark
Exhaust

to
Camshaft
Oil
Banjo

bearing

crankshaft

cover

plugs

cylinder

pan

bolt-oil

head

rod

retaining

and

intake

head

timing

bolts

hold-down

caps

bearing

pulley

cap

nuts

manifold

belt

drain

bolts

pulley

hose

bolts

cap

36.2

39.0

15.2

65.2

28.9

5.8

10.8

7.2

21.7

2.9

18.1

lb-ft

-

-

-

-

-

- 8

-

-

-

-

-

43.4

47.7

21.0

72.4

36.2
.7

15.9

11.

32.5

5.1

25.3

6

5.0

5.4

2.1

9.0

4.0

0.8

1.5

1.0

3.0

0.4

2.5

kg-m

-

-

-

-

-

-

-

-

-

-

-

6.0

6.6

2.9

10.0

5.0

1.2

2.2

1.6

4.5

0.7

3.5

Oil

pump
Rear
Balance
Timing
Oil
Balance
Distributor
Distributor

Backplate
Generator

Drive

oil

pump

disc

to

seal

shaft

belt

drive

shaft

engine

tensioner

housing

to

to

block

drive

to

block
retainer
thrust

shaft

gear

rotor

cover

distributor

disc

plate

gear

to

to

shaft

block

housing

flywheel

10.8

7.2

7.2

21.7

7.2

7.2

2.9

10.8

7.2

14.5

28.9

-

-

-

-

-

-

-

-

-

-

-

15.9

11.

10.8

30.5

11.

11.

5.1

15.9

11.

21.7

39.8

6

6

6

6

1.5

1.0

1.0

3.0

1.0

1.0

0.4

1.5

1.0

2.0

4.0

2.2

-

1.6

-

1.5

-

4.5

-

1.6

-

1.6

-

0.7

-

2.2

-

1.6

-

3.0

-

5.5

-

42

TABLE

OF

STANDARD

HARDWARE

TIGHTENING

TORQUES

unless
torque

Grade

Grade

Gr

ade

stated

values

4T
6mm

8mm
10mm
10mm
12mm
12mm
12mm
13mm
14mm
14mm
16mm
16mm

6T

6mm

8mm
10mm
10mm
12mm
12mm
12mm

7T,

6mm

8mm
10mm
10mm
12mm
12mm
12mm
13mm
14mm
14mm
16mm
16mm

when

bolt/nut
bolt/nut
bolt/nut
bolt/nut
bolt/nut
bolt/nut
bolt/nut
bolt/nut
bolt/nut
bolt/nut
bolt/nut
bolt/nut

bolt/nut
bolt/nut
bolt/nut
bolt/nut
bolt/nut
bolt/nut
bolt/nut

and

8T
bolt/nut
bolt/nut
bolt/nut
bolt/nut
bolt/nut
bolt/nut
bolt/nut
bolt/nut
bolt/nut
bolt/nut
bolt/nut
bolt/nut

otherwise

tightening

8.8

for

pitch

1

1.

1.

1.5

1.

1.5

1.

1.5

1.5
2

1.5
2

1

1.

1.

1.5

1.25(ISO)

1.5

1.

1

1.

1.

1.5

1.

1.5

1.

1.5

1.5
2

1.5
2

specific

a

standard

25
25

25

(ISO)

75

25
25

75

25
25

25

(ISO)

75

assembly,

hardware.

2.9

7.2

13.7

13.0

25.3

25.3

21.7

32.5

36.2

34.0

54.2

51.

4.3

10.8

21.

7

19.5

36.2

36.2

34.7

5.8

14.5
2B.9

26.B

54.2

50.6

43.4

57.9

72.3
6B.7 -101.

10B.5

101.

Ib-ft

4

3 -

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

5.1

11.6

22.4

21.

39.8

39.8

36.2

50.6

57.9

55.7

79.6

76.7

6.5

15.9

32.5

30.4

57.9

50.6

49.2

8.7

21.

39.8

37.6

75.9

65.1

61.5

86.8

108.5

166.4

159.1

use

7

7

3

following

the

kg-m

0.4

-

1.0

-

1.9

-

1.

8 -

3.5

-

3.5

-

3.0

-

4.5

-

5.0

-

4.7

-

7.5

-

11.

7.1 -10.6

0.6

-

1.

5 -

3.0

-

2.7

-

5.0

-

5.0

-

4.8

-

0.8

-

2.0

-

4.0

-

3.7

-

7.5

-

10.5

7.0

-

-

6.0

8.0 -12.0

10.0

15.0

14.0

-

15.0

9.5 -14.0

-

-

0.7

1.6

3.1

3.0

5.5

5.5

5.0

7.0

8.0

7.7
0

0.9

2.2

4.5

4.2

8.0

7.0

6.8

1.2

3.0

5.5

5.2

9.0

8.5

23.0

22.0

Gr

ade

5
1/4
1/4
5/16
5/16
3/8
3/8
7/16
7/16
1/2
1/2

capscrew

UNC
UNF

UNC

UNF
UNC
UNF

UNC

UNF
UNC
UNF

11

1B
21

28
30
44
50
68
73

9

11

13

20
23
33
35
49
55
73
80

1.2

1.

2.5

2.9

3.7

4.1

6.1

6.9

9.4

10.1

5 -

-

-

-

-

-

-

-

-

-

1.5

1.8

2.8

3.2

4.6

4.8

6.8

7.

10.1

11.1

6