© 2006 PDF Manual Master
· CONTENTS
3
ENGINE MECHANICAL
4 CYLINDER
4
ENGINE MECHANICAL
GM V6 AND VB ENGINES
5
ENGINE MECHANICAL
FORD VB ENGINES
6 ENGINE OVERHAUL
HOWro USE THIS MANUAL 1-2
BOATING SAFETY 14
SAFET'lIN SERVICE 1-11
TROUBlESHOOTING 1-1:1
TOOLSANDEQUIPMENT 1-1~
TOOLS . . 1-17
FAST!:NERS, MEASUREMENTS AND CONVERSIONS 1-24
SPECIFICATIONS 1-25
ENGINE AND DRIVE MAINTENANCE 2-2
FLUIDS AND LUBRICANTS 2-33
LUBRICATION POINTS 2-47
BOAT MAINTENANCE 2-49
WINTER STORAGE 2-53
FIRING ORDERS 2-54
SPRING COMMISSIONING 2-54
SPECIFICATIONS 2-56
ENGINE MECHANICAL 3-2
EXPLODED VIEWS 3-16
SPECIFICATIONS 3-19
ENGINE MECHANICAL 4-2
!:XPLODED VIEWS . 4-36
SPECIFICATIONS 4-41
ENGINE MECHANICAL
EXPLODED VIEWS
SPECIFICATIONS
ENGINE RECONDITIONING 6-2
FUEL AND COMBUSTION 7-2
CARBURETED FUEL SYSTEM 7-3
ROCHESTER 2-GE AND NIKKI 2BBL 7-6
ROCHESTER 4ME 4BBL 7-10
HOLLEY 2010 2BBL 7-16
HOLLEY 2300 2BBL 7-20
HOLLEY 4011 4BBL7-25
HOLLEY 4150/4160/4175 4BBL 7-32
WIRING DIAGRAMS 7-44
SPECIFICATIONS 7-46
FUEL AND COMBUSTION 8-2
FORD ELECTRONIC MULTI-POINT FUEL INJECTION (MFI) 8-3
GM THROTTLE BODY FUEL INJECTION (TBI) 8-20
GM MULTI-POINT FUEL INJECTION (MFI) 8-20
WIRING SCHEMATICS 8-62
ECM P·IN LOCATIONS 8-74
DIAGNOSTIC TROUBLE CODE (DTC) CHARTS 8-79
FUEL FLOW DIAGRAMS 8-81
COMPONENT LOCATIONS 8-84
TORQUE SPECIFICATIONS 8-87
© 2006 PDF Manual Master
CONTENTS
COOLING SYSTEMS 9-2
MAINTENANCE AND TESTING 9-3
FLOW DIAGRAMS 9-8
COOLING SYSTEM 9
UNDERSTANDING AND TROUBLESHOOTING
ELECTRICAL SYSTEMS 10-2
CHARGING SYSTEM 10-10
STARTER CIRCUIT 10-20
IGNITION SYSTEM 10-30
BREAKER POINT IGNITION SYSTEM 10-31
DISTRIBUTOR IGNITION (DI) SYSTEM 10-38
ELECTRONIC SPARK TIMING (EST) SYSTEM 10-38
BREAKERLESS INDUCTIVE DISTRIBUTOR (BID) 10-45
VOLVO ELECTRONIC ENGINE MANAGEMENT
(EMM) SYSTEM 10-49
FORD THICK FILM INTEGRATED IGNITION
SYSTEM (TFI-IV) 10-50
DISTRIBUTORLESS ELECTRONIC
IGNITION (EI) SYSTEM 10-54
INSTRUMENTS AND GAUGES 10-56
SENDING UNITS AND SWITCHES 10-58
WIRING DIAGRAMS 10-60
SPECIFICATIONS 10-118
STERN DRIVE UNIT-280/290, SP, DP & DPX 11-2
UPPER GEAR HOUSING 11-6
INTERMEDIATE HOUSING 11-16
GEAR HOUSING (LOWER UNIT) 11-19
TRANSOM SHIELD 11-26
SPECIFICATIONS 12-25
STERN DRIVE UNIT -SX & DP-S 12-2
UPPER GEAR HOUSING 12-5
LOWER GEAR CASE (LOWER UNIT) 12-13
TRANSOM ASSEMBLY 12-17
SPECIFICATIONS 12-25
PJX WATERJET 13-2
JET DRIVE 13
ELECTRO-MECHANICAL TILT SYSTEM-280 & DP 14-2
POWER TRIM AND TILT-290, SP, DP & DPX 14-5
POWER TRIM AND TILT-SX AND DP-S 14-11
WIRING SCHEMATICS 14-33
TRIM AND TILT 14
MANUAL STEERING SYSTEM 15-2
POWER STEERING SYSTEM 15-3 STEERING SYSTEM 15
MASTER INDEX 15-14
MASTER INDEX
© 2006 PDF Manual Master
BASIC OPERATING PRINCIPLES ..... 1-12
2-STROKE MOTORS .... .................. 1-12
4-STROKE ENGINES ..................... 1-14
COMBUSTION ................................ 1-14
BOATING SAFETy ............................ 1·4
COURTESY
MARINE EXAMINATIONS .............. 1-11
EQUIPMENT NOT REQUIRED BUT
RECOMMENDED ............................ 1-10
REGULATIONS FOR YOUR BOAT. 1-4
REQUIRED SAFETY EQUIPMENT 1-5
CHEMICALS ....................................... 1-15
CLEANERS ..................................... 1-16
LUBRICANTS & PENETRANTS ..... 1-15
SEALANTS ...................................... 1-16
COURTESY MARINE
EXAMINATIONS ............................. 1-11
ELECTRONIC TOOLS ........................ 1-21
BATIERYTESTERS ....................... 1-21
BATIERY CHARGERS ................... 1-21
GAUGES ......................................... 1-22
MULTIMETERS (DVOMS) ............... 1-21
EQUIPMENT NOT REQUIRED BUT
RECOMMENDED ............................ 1-10
ANCHORS ....................................... 1-10
BAILING DEVICES ......................... 1-10
FIRST AID KIT ................................ 1-10
SECOND MEANS
OF PROPULSION .......................... 1-10
TOOLS AND SPARE PARTS ........... 1-10
VHF-FM RADIO ............................... 1-10
FASTENERS, MEASUREMENTS
AND CONVERSIONS .................... 1·24
BOLTS, NUTS AND OTHER
THREADED RETAINERS ............... 1-24
STANDARD AND METRIC
MEASUREMENTS ........................... 1-24
TORQUE .......................................... 1-24
HAND TOOLS ..................................... 1-17
BREAKER BARS ............................ 1-19
HAMMERS ...................................... 1-20
PLIERS ............................................ 1-20
SCREWDRIVERS ........................... 1-20
SOCKET SETS ............................... 1-17
TORQUE WRENCHES .................... 1-18
WRENCHES .................................... 1-19
HOW TO USE THIS MANUAL ............ 1·2
AVOIDING THE
MOST COMMON MISTAKES ......... 1-3
AVOIDING TROUBLE ..................... 1-2
CAN YOU DO IT? ............................ 1-2
DIRECTIONS AND LOCATIONS .... 1·2
MAINTENANCE OR REPAIR? ........ 1-2
PROFESSIONAL HELP .................. 1-3
PURCHASING PARTS .................... 1-3
WHERE TO BEGIN ......................... 1-2
MEASURING TOOLS ......................... 1-22
DEPTH GAUGES ............................ 1-23
DIAL INDICATORS .......................... 1-23
MICROMETERS & CALIPERS ....... 1-22
TELESCOPING GAUGES ............... 1-23
OTHER COMMON TOOLS ................. 1-20
REGULATIONS FOR YOUR BOAT ..... 1-4
CAPACITY INFORMATION ............. 1-4
CERTIFICATE OF COMPLIANCE... 1-5
DOCUMENTING OF VESSELS ...... 1-4
HULL IDENTIFICATION NUMBER. 1-4
LENGTH OF BOATS ....................... 1-4
NUMBERING OF VESSELS ........... 1-4
SALES AND TRANSFERS .............. 1-4
VENTILATION .................................. 1-5
VENTILATION SYSTEMS ............... 1-5
REQUIRED SAFETY EQUIPMENT ... 1-5
FIRE EXTINGUISHERS .................. 1-6
PERSONAL FLOTATION DEVICES 1-7
SOUND PRODUCING DEViCES .... 1-8
TYPES OF FIRES ........................... 1-5
VISUAL DISTRESS SIGNALS ........ 1-9
WARNING SYSTEM ........................ 1-7
SAFETY IN SERVICE ........................ 1·11
DO'S ................................................ 1-11
DON'TS ........................................... 1-11
SAFETY TOOLS .. .................. ............. 1-15
EYE AND EAR PROTECTION ........ 1-15
WORK CLOTHES ............................ 1-15
WORK GLOVES .............................. 1-15
SPECIAL TOOLS ................................ 1-21
SPECIFICATIONS .............................. 1·25
CONVERSION FACTORS ............... 1-25
METRIC BOLTS .............................. 1-26
SAE BOLTS ..................................... 1-26
TOOLS ................................................ 1·17
ELECTRONIC TOOLS .................... 1-21
HAND TOOLS ................................. 1-17
MEASURING TOOLS ...................... 1-22
OTHER COMMON TOOLS ............. 1-20
SPECIAL TOOLS .. ...................... .... 1-21
TOOLS AND EQUIPMENT ................ 1-15
CHEMICALS .................................... 1-15
SAFETY TOOLS ........................ ...... 1-15
TROUBLESHOOTING ....................... 1·11
BASIC
OPERATING PRINCIPLES ............. 1-12
© 2006 PDF Manual Master
1-2 GENERAL INFORMATION, SAFETY AND TOOLS
HOW TO USE THIS MANUAL
This manual is designed to be a handy reference guide to maintaining
and repairing your Volvo/Penta engine and drive system. We strongly believe
that regardless of how many or how few year's experience you may have,
there is something new waiting here for you.
This manual covers the topics that a factory service manual (designed
for factory trained mechanics) and a manufacturer owner's manual
(designed more by lawyers than boat owners these days) covers. It will take
you through the basics of maintaining and repairing your engine/drive
system, step-by-step, to help you understand what the factory trained
mechanics already know by heart. By using the information in this manual,
any boat owner should be able to make better informed decisions about
what they need to do to maintain and enjoy their Volvo.
Even if you never plan on touching a wrench (and if so, we hope that we
can change your mind), this manual will still help you understand what a
mechanic needs to do in order to maintain your engine.
Can You Do It?
If you are not the type who is prone to taking a wrench to something,
NEVER FEAR. The procedures provided here cover topics at a level virtually
anyone will be able to handle. And just the fact that you purchased this
manual shows your interest in better understanding your Volvo/Penta.
You may find that maintaining your engine/drive system yourself is
preferable in most cases. From a monetary standpoint, it could also be
beneficial. The money spent on hauling your boat to a marina and paying a
tech to service the engine could buy you fuel for a whole weekend's boating.
If you are unsure of your own mechanical abilities, at the very least you
should fully understand what a marine mechanic does to your boat. You may
decide that anything other than maintenance and adjustments should be
performed by a mechanic (and that's your call), but know that every time you
board your boat, you are placing faith in the mechanic's work and trusting
him or her with your well-being, and maybe your life.
It should also be noted that in most areas a factory-trained mechanic will
command a hefty hourly rate for off site service. This hourly rate is often
charged from the time they leave their shop to the time that they return
home. The cost savings in dOing the job yourself might be readily apparent
at this point.
Of course, if even you're already a seasoned Do-It-Yourselfer or a
Professional Technician, you'll find the procedures, specifications, special
tips as well as the schematics and illustrations helpful when tackling a new
job on an engine.
• To help you decide if a task is within your skill level, procedures
will often be rated using a wrench symbol in the text. When present,
the number of wrenches designates how difficult we feel the procedure
to be on a 1-4 scale. For more details on the wrench icon rating
system, please refer to the information under Skill Levels at the
beginning of this manual.
Where to Begin
Before spending any money on parts, and before removing any nuts or
bolts, read through the entire procedure or topic. This will give you the
overall view of what tools and supplies will be required to perform the
procedure or what questions need to be answered before purchasing parts.
So read ahead and plan ahead. Each operation should be approached
logically and all procedures thoroughly understood before attempting any
work.
Avoiding Trouble
Some procedures in this manual may require you to "label and
disconnect ... " a group of lines, hoses or wires. Don't be lulled into thinking
you can remember where everything goes - you won't. If you reconnect or
install a part incorrectly, the engine may operate poorly, if at all. If you hook
up electrical wiring incorrectly, you may instantly learn a very expensive
lesson.
A piece of masking tape, for example, placed on a hose and another on
its fitting will allow you to assign your own label such as the letter "A", or a
short name. As long as you remember your own code, you can reconnect
the lines by matching letters or names. Do remember that tape will dissolve
when saturated in some fluids (especially cleaning sOlvents).
If a component is to be washed or cleaned, use another method of
identification. A permanent felt-tipped marker can be very handy for marking
metal parts; but remember that some solvents will remove permanent
marker. A scribe can be used to carefully etch a small mark in some metal
parts, but be sure NOT to do that on a gasket-making surface.
SAFETY is the most important thing to remember when performing
maintenance or repairs. Be sure to read the information on safety in this
manual.
Maintenance or Repair?
Proper maintenance is the key to long and trouble-free engine life, and
the work can yield its own rewards. A properly maintained engine performs
better than one that is neglected. As a conscientious boat owner, set aside a
Saturday morning, at least once a month, to perform a thorough check of
items that could cause problems. Keep your own personal log to jot down
which services you performed, how much the parts cost you, the date, and
the amount of hours on the engine at the time. Keep all receipts for parts
purchased, so that they may be referred to in case of related problems or to
determine operating expenses. As a do-it-yourselfer, these receipts are the
only proof you have that the required maintenance was performed. In the
event of a warranty problem (on new engines), these receipts can be
invaluable.
It's necessary to mention the difference between maintenance and
repair. Maintenance includes routine inspections, adjustments, and
replacement of parts that show signs of normal wear. Maintenance
compensates for wear or deterioration. Repair implies that something has
broken or is not working. A need for repair is often caused by lack of
maintenance.
For example: draining and refilling the gearcase oil is maintenance
recommended by all manufacturers at specific intervals. Failure to do this
can allow internal corrosion or damage and impair the operation of the
engine, requiring expensive repairs. While no maintenance program can
prevent items from breaking or wearing out, a general rule can be stated:
MAINTENANCE IS CHEAPER THAN REPAIR.
Directions and Locations
• See Figure 1
Two basic rules should be mentioned here. First, whenever the Port side
of the engine (or boat) is referred to, it is meant to specify the left side of the
engine when you are sitting at the helm. Conversely, the Starboard means
your right side. The Bow is the front of the boat and the Stern or Aft is the
rear.
-- AFT
(REAR)
Fig. 1 Common terminology used for reference designation on
boats of all size. These terms are used though out the manual
© 2006 PDF Manual Master
GENERAL INFORMATION, SAFETY AND TOOLS 1-3
Most screws and bolts are removed by turning counterclockwise,
and tightened by turning clockwise. An easy way to remember this is:
righty-tighty; lefty-Ioosey. Corny, but effective. And if you are really dense
(and we have all been so at one time or another), buy a ratchet that is
marked ON and OFF (like Snap-on® ratchets), or mark your own. This can
be especially helpful when you are bent over backwards, upside down or
otherwise turned around when working on a boat-mounted component.
Professional Help
Occasionally, there are some things when working on an engine or drive
system that are beyond the capabilities or tools of the average Do-It-
Yourselfer (DIYer). This shouldn't include most of the topics of this manual,
but you will have to be the judge. Some engines require special tools or a
selection of special parts, even for some basic maintenance tasks.
Talk to other boaters who use the same model of engine and speak with
a trusted marina to find if there is a particular system or component on your
engine that is difficult to maintain.
You will have to decide for yourself where basic maintenance ends and
where professional service should begin. Take your time and do your
research first (starting with the information in this manual) and then make
your own decision. If you really don't feel comfortable with attempting a
procedure, DON'T DO IT. If you've gotten into something that may be over
your head, don't panic. Tuck your tail between your legs and call a marine
mechanic. Marinas and independent shops will be able to finish a job for
you. Your ego may be damaged, but your boat will be properly restored to its
full running order. So, as long as you approach jobs slowly and carefully, you
really have nothing to lose and everything to gain by doing it yourself.
On the other hand, even the most complicated repair is within the ability
of a person who takes their time and follows the steps of a procedure. A
rock climber doesn't run up the side of a cliff, he/she takes it one step at a
time and in the end, what looked difficult or impossible was conquerable.
Worry about one step at a time.
Purchasing Parts
• See Figures 2 and 3
When purchasing parts there are two things to consider. The first is
quality and the second is to be sure to get the correct part for your engine.
To get quality parts, always deal directly with a reputable retailer. To get the
proper parts always refer to the information tag on your engine prior to
calling the parts counter. An incorrect part can adversely affect your engine
performance and fuel economy, and will cost you more money and
aggravation in the end.
Just remember, a tow back to shore will cost plenty. That charge is per
hour from the time the towboat leaves their home port, to the time they
return to their home port. Get the picture ... $$$?
Fig. 2 By far the most important asset in purchasing parts is a
knowledgeable and enthusiastic parts person
Fig. 3 Parts catalogs, giving application and part number
information, are provided by manufacturers for most
replacement parts
So whom should you call for parts? Well, there are many sources for the
parts you will need. Where you shop for parts will be determined by what
kind of parts you need, how much you want to pay, and the types of stores
in your neighborhood.
Your marina can supply you with many of the common parts you require.
Using a marina as your parts supplier may be handy because of location
Oust walk right down the dock) or because the marina specializes in your
particular brand of engine. In addition, it is always a good idea to get to
know the marina staff (especially the marine mechanic).
The marine parts jobber, who is usually listed in the yellow pages or
whose name can be obtained from the marina, is another excellent source
for parts. In addition to supplying local marinas, they also do a sizeable
business in over-the-counter parts sales for the do-it-yourselfer.
Almost every boating community has one or more convenient marine
chain stores. These stores often offer the best retail prices and the
convenience of one-stop shopping for all your needs. Since they cater to the
do-it-yourselfer, these stores are almost always open weeknights, Saturdays,
and Sundays, when the jobbers are usually closed.
The lowest prices for parts are most often found in discount stores or
the auto department of mass merchandisers. Parts sold here are name
and private brand parts bought in huge quantities, so they can offer a
competitive price. Private brand parts are made by major manufacturers and
sold to large chains under a store label. And, of course, more and more
large automotive parts retailers are stocking basic marine supplies.
Avoiding the Most Common Mistakes
There are 3 common mistakes in mechanical work:
1. Following the incorrect order of assembly, disassembly or
adjustment. When taking something apart or putting it together, performing
steps in the wrong order usually just costs you extra time; however, it CAN
break something. Read the entire procedure before beginning disassembly.
Perform everything in the order in which the instructions say you should,
even if you can't immediately see a reason for it. When you're taking apart
something that is very intricate, you might want to draw a picture of how it
looks when assembled at one point in order to make sure you get everything
back in its proper position. When making adjustments, perform them in the
proper order; often, one adjustment affects another, and you cannot expect
satisfactory results unless each adjustment is made only when it cannot be
changed by subsequent adjustments.
• Digital cameras are handy. If you've got access to one, take
pictures of intricate assemblies during the disassembly process and
refer to them during assembly for tips on part orientation.
© 2006 PDF Manual Master
1-4 GENERAL INFORMATION, SAFETY AND TOOLS
2. Overtorquing (or undertorquing). While it is more common for
overtorquing to cause damage, undertorquing may allow a fastener to
vibrate loose causing serious damage. Especially when dealing with plastic
and aluminum parts, pay attention to torque specifications and utilize a
torque wrench in assembly. If a torque figure is not available, remember that
if you are using the right tool to perform the job, you will probably not have
to strain yourself to get a fastener tight enough. The pitch of most threads is
so slight that the tension you put on the wrench will be multiplied many
times in actual force on what you are tightening.
3. Cross-threading. This occurs when a part such as a bolt is screwed
into a nut or casting at the wrong angle and forced. Cross-threading is more
BOATING SAFETY
In 1971 Congress ordered the U.S. Coast Guard to improve recreational
boating safety. In response, the Coast Guard drew up a set of regulations.
Aside from these federal regulations, there are state and local laws you
must follow. These sometimes exceed the Coast Guard requirements. This
section discusses only the federal laws. State and local laws are available
from your local Coast Guard. As with other laws, "Ignorance of the boating
laws is no excuse." The rules fall into two groups: regulations for your boat
and required safety equipment on your boat.
Regulations For Your Boat
Most boats on waters within Federal jurisdiction must be registered or
documented. These waters are those that provide a means of transportation
between two or more states or to the sea. They also include the territorial
waters of the United States.
DOCUMENTING OF VESSELS
A vessel of five or more net tons may be documented as a yacht. In
this process, papers are issued by the U.S. Coast Guard as they are for
large ships. Documentation is a form of national registration. The boat must
be used solely for pleasure. Its owner must be a citizen of the U.S., a
partnership of U.S. citizens, or a corporation controlled by U.S. citizens. The
captain and other officers must also be U.S. citizens. The crew need not be.
If you document your yacht, you have the legal authority to fly the yacht
ensign. You also may record bills of sale, mortgages, and other papers of
title with federal authorities. Doing so gives legal notice that such
instruments exist. Documentation also permits preferred status for
mortgages. This gives you additional security, and it aids in financing and
transfer of title. You must carry the original documentation papers aboard
your vessel. Copies will not suffice.
REGISTRATION OF BOATS
If your boat is not documented, registration in the state of its principal
use is probably required. If you use it mainly on an ocean, a gulf, or other
similar water, register it in the state where you moor it.
If you use your boat solely for racing, it may be exempt from the require-
ment in your state. Some states may also exclude dinghies, while others
require registration of documented vessels and non-power driven boats.
All states, except Alaska, register boats. In Alaska, the U.S. Coast Guard
issues the registration numbers. If you move your vessel to a new state of
principal use, a valid registration certificate is good for 60 days. You must
have the registration certificate (certificate of number) aboard your vessel
when it is in use. A copy will not suffice. You may be cited if you do not have
the original on board.
NUMBERING OF VESSELS
A registration number is on your registration certificate. You must paint or
permanently attach this number to both sides of the forward half of your
boat. Do not display any other number there.
The registration number must be clearly visible. It must not be placed on
the obscured underside of a flared bow. If you can't place the number on the
bow, place it on the forward half of the hull. If that doesn't work, put it on the
superstructure. Put the number for an inflatable boat on a bracket or fixture.
Then, firmly attach it to the forward half of the boat. The letters and numbers
must be plain block characters and must read from left to right. Use a space
or a hyphen to separate the prefix and suffix letters from the numerals.
likely to occur if access is difficult. It helps to clean and lubricate fasteners,
then to start threading with the part to be installed positioned straight
inward. Always start a fastener, etc. with your fingers. If you encounter
resistance, unscrew the part and start over again at a different angle until it
can be inserted and turned several times without much effort. Keep in mind
that some parts may have tapered threads, so that gentle turning will
automatically bring the part you're threading to the proper angle, but only if
you don't force it or resist a change in angle. Don't put a wrench on the part
until it has been tightened a couple of turns by hand. If you suddenly
encounter resistance, and the part has not seated fully, don't force it. Pull it
back out to make sure it's clean and threading properly.
The color of the characters must contrast with that of the background, and
they must be at least three inches high.
In some states your registration is good for only one year. In others, it is
good for as long as three years. Renew your registration before it expires. At
that time you will receive a new decal or decals. Place them as required by
state law. You should remove old decals before putting on the new ones.
Some states require that you show only the current decal or decals. If your
vessel is moored, it must have a current decal even if it is not in use.
If your vessel is lost, destroyed, abandoned, stolen, or transferred, you
must inform the issuing authority. If you lose your certificate of number or
your address changes, notify the issuing authority as soon as possible.
SALES AND TRANSFERS
Your registration number is not transferable to another boat. The number
stays with the boat unless its state of principal use is changed.
HULL IDENTIFICATION NUMBER
A Hull Identification Number (HIN) is like the Vehicle Identification
Number (VIN) on your car. Boats built between November 1, 1972 and July
31,1984 have old format HINs. Since August 1,1984 a new format has
been used.
Your boat's HIN must appear in two places. If it has a transom, the
primary number is on its starboard side within two inches of its top. If it does
not have a transom or if it was not practical to use the transom, the number
is on the starboard side. In this case, it must be within one foot of the stern
and within two inches of the top of the hull side. On pontoon boats, it is on
the aft crossbeam within one foot of the starboard hull attachment. Your boat
also has a duplicate number in an unexposed location. This is on the boat's
interior or under a fitting or item of hardware.
LENGTH OF BOATS
For some purposes, boats are classed by length. Required equipment,
for example, differs with boat size. Manufacturers may measure a boat's
length in several ways. Officially, though, your boat is measured along a
straight line from its bow to its stern. This line is parallel to its keel.
The length does not include bowsprits, boomkins, or pulpits. Nor does it
include rudders, brackets, outboard motors, outdrives, diving platforms, or
other attachments.
CAPACITY INFORMATION
• See Figure 4
Manufacturers must put capacity plates on most recreational boats less
than 20 feet long. Sailboats, canoes, kayaks, and inflatable boats are usually
exempt. Outboard boats must display the maximum permitted horsepower of
their engines. The plates must also show the allowable maximum weights of
the people on board. And they must show the allowable maximum combined
weights of people, engine(s), and gear. Inboards and stern drives need not
show the weight of their engines on their capacity plates. The capacity plate
must appear where it is clearly visible to the operator when underway.
This information serves to remind you of the capacity of your boat under
normal circumstances. You should ask yourself, "Is my boat loaded above its
recommended capacity" and, "Is my boat overloaded for the present sea
and wind conditions?" If you are stopped by a legal authority, you may be
cited if you are overloaded.
© 2006 PDF Manual Master
GENERAL INFORMATION, SAFETY AND TOOLS 1-5
THIS BOAT COMPUES wnH U S. COAST GUARIl mUY
smOA~~& iN Hfm ON THE DATE Of CERTifiCATION
, " '.
BAHAMA INDUSTRIES, INC.
5612 LA PALMA ST. ANAHEIM .. CAllI' 92807
Fig. 4 A U.S. Coast Guard certification plate indicates the amount
of occupants and gear appropriate for safe operation of the vessel
CERTIFICATE OF COMPLIANCE
• See Figure 4
Manufacturers are required to put compliance plates on motorboats
greater than 20 feet in length. The plates must say, ''This boat," or ''This
equipment complies with the U. S. Coast Guard Safety Standards in effect
on the date of certification." Letters and numbers can be no less than
one-eighth of an inch high. At the manufacturer's option, the capacity and
compliance plates may be combined.
VENTILATION
A cup of gasoline spilled in the bilge has the potential explosive power of
15 sticks of dynamite. This statement, commonly quoted over 20 years ago,
may be an exaggeration; however, it illustrates a fact. Gasoline fumes in the
bilge of a boat are highly explosive and a serious danger. They are heavier
than air and will stay in the bilge until they are vented out.
Because of this danger, Coast Guard regulations require ventilation on
many powerboats. There are several ways to supply fresh air to engine and
gasoline tank compartments and to remove dangerous vapors. Whatever the
choice, it must meet Coast Guard standards.
• The following is not intended to be a complete discussion of the
regulations. It is limited to the majority of recreational vessels. Contact
your local Coast Guard office for further information.
General Precautions
Ventilation systems will not remove raw gasoline that leaks from tanks or
fuel lines. If you smell gasoline fumes, you need immediate repairs. The best
device for sensing gasoline fumes is your nose. Use it! If you smell gasoline
in an engine compartment or elsewhere, don't start your engine. The smaller
the compartment, the less gasoline it takes to make an explosive mixture.
Ventilation for Open Boats
In open boats, gasoline vapors are dispersed by the air that moves
through them. So they are exempt from ventilation requirements.
To be "open," a boat must meet certain conditions. Engine and fuel tank
compartments and long narrow compartments that join them must be open
to the atmosphere." This means they must have at least 15 square inches of
open area for each cubic foot of net compartment volume. The open area
must be in direct contact with the atmosphere. There must also be no long,
unventilated spaces open to engine and fuel tank compartments into which
flames could extend.
Ventilation for All Other Boats
Powered and natural ventilation are required in an enclosed
compartment with a permanently installed gasoline engine that has a starter
motor. A compartment is exempt if its engine is open to the atmosphere.
Diesel powered boats are also exempt.
VENTILATION SYSTEMS
There are two types of ventilation systems. One is "natural ventilation." In
it, air circulates through closed spaces due to the boat's motion.
The other type is "powered ventilation." In it, air is circulated by a
motor-driven fan or fans.
Natural Ventilation System Requirements
A natural ventilation system has an air supply from outside the boat. The
air supply may also be from a ventilated compartment or a compartment
open to the atmosphere. Intake openings are required. In addition, intake
ducts may be required to direct the air to appropriate compartments.
The system must also have an exhaust duct that starts in the lower third
of the compartment. The exhaust opening must be into another ventilated
compartment or into the atmosphere. Each supply opening and supply duct,
if there is one, must be above the usual level of water in the bilge. Exhaust
openings and ducts must also be above the bilge water. Openings and ducts
must be at least three square inches in area or two inches in diameter.
Openings should be placed so exhaust gasses do not enter the fresh air
intake. Exhaust fumes must not enter cabins or other enclosed,
non-ventilated spaces. The carbon monoxide gas in them is deadly.
Intake and exhaust openings must be covered by cowls or similar
devices. These registers keep out rain water and water from breaking seas.
Most often, intake registers face forward and exhaust openings aft. This aids
the flow of air when the boat is moving or at anchor since most boats face
into the wind when properly anchored.
Power Ventilation System Requirements
• See Figure a
Powered ventilation systems must meet the standards of a natural
system. They must also have one or more exhaust blowers. The blower duct
can serve as the exhaust duct for natural ventilation if fan blades do not
obstruct the air flow when not powered. Openings in engine compartment,
for carburetion are in addition to ventilation system requirements.
Fig. 5 Typical blower and duct system to vent fumes from the
engine compartment
Required Safety Equipment
Coast Guard regulations require that your boat have certain equipment
aboard. These requirements are minimums. Exceed them whenever you
can.
TYPES OF FIRES
There are four common classes of fires:
• Class A-fires are of ordinary combustible materials such as paper or
wood.
• Class B-fires involve gasoline, oil and grease.
• Class C-fires are electrical.
• Class D-fires involve ferrous metals
© 2006 PDF Manual Master
1-6 GENERAL INFORMATION, SAFETY AND TOOLS
One of the greatest risks to boaters is fire. This is why it is so important
to carry the correct number and type of extinguishers onboard.
The best fire extinguisher for most boats is a Class B extinguisher. Never
use water on Class B or Class C fires, as water spreads these types of fires.
Additionally, you should never use water on a Class C fire as it may cause
you to be electrocuted.
FIRE EXTINGUISHERS
• See Figure 6
If your boat meets one or more of the following conditions, you must
have at least one fire extinguisher aboard. The conditions are:
• Inboard or stern drive engines
• Closed compartments under seats where portable fuel tanks can be
stored
• Double bottoms not sealed together or not completely filled with
flotation materials
• Closed living spaces
• Closed stowage compartments in which combustible or flammable
materials are stored
• Permanently installed fuel tanks
• Boat is 26 feet or more in length.
Fig. 6 An approved fire extinguisher should be mounted close to
the operator for emergency use
Contents of Extinguishers
Fire extinguishers use a variety of materials. Those used on boats
usually contain dry chemicals, Halon, or Carbon Dioxide (C02). Dry
chemical extinguishers contain chemical powders such as Sodium
Bicarbonate-baking soda.
Carbon dioxide is a colorless and odorless gas when released from an
extinguisher. It is not poisonous but caution must be used in entering
compartments filled with it. It will not support life and keeps oxygen from
reaching your lungs. A fire-killing concentration of Carbon Dioxide can be
lethal. If you are in a compartment with a high concentration of C02, you will
have no difficulty breathing. But the air does not contain enough oxygen to
support life. Unconsciousness or death can result.
Halon Extinguishers
Some fire extinguishers and 'built-in' or 'fixed' automatic fire extinguishing
systems contain a gas called Halon. Like carbon dioxide it is colorless and
odorless and will not support life. Some Halons may be toxic if inhaled.
To be accepted by the Coast Guard, a fixed Halon system must have an
indicator light at the vessel's helm. A green light shows the system is ready.
Red means it is being discharged or has been discharged. Warning horns
are available to let you know the system has been activated. If your fixed
Halon system discharges, ventilate the space thoroughly before you enter it.
There are no residues from Halon but it will not support life.
Although Halon has excellent fire fighting properties; it is thought to
deplete the earth's ozone layer and has not been manufactured since
January 1, 1994. Halon extinguishers can be refilled from existing stocks of
the gas until they are used up, but high federal excise taxes are being
charged for the service. If you discontinue using your Halon extinguisher,
take it to a recovery station rather than releasing the gas into the
atmosphere. Compounds such as FE 241, designed to replace Halon, are
now available.
Fire Extinguisher Approval
Fire extinguishers must be Coast Guard approved. Look for the approval
number on the nameplate. Approved extinguishers have the following on
their labels: "Marine Type USCG Approved, Size ... , Type ... , 162.208/," etc.
In addition, to be acceptable by the Coast Guard, an extinguisher must be in
serviceable condition and mounted in its bracket. An extinguisher not
properly mounted in its bracket will not be considered serviceable during a
Coast Guard inspection.
Care and Treatment
Make certain your extinguishers are in their stowage brackets and are
not damaged. Replace cracked or broken hoses. Nozzles should be free of
obstructions. Sometimes, wasps and other insects nest inside nozzles and
make them inoperable. Check your extinguishers frequently. If they have
pressure gauges, is the pressure within acceptable limits? Do the locking
pins and sealing wires show they have not been used since recharging?
Don't try an extinguisher to test it. Its valves will not reseat properly and
the remaining gas will leak out. When this happens, the extinguisher is
useless.
Weigh and tag carbon dioxide and Halon extinguishers twice a year. If
their weight loss exceeds 10 percent of the weight of the charge, recharge
them. Check to see that they have not been used. They should have been
inspected by a qualified person within the past six months, and they should
have tags showing all inspection and service dates. The problem is that they
can be partially discharged while appearing to be fully charged.
Some Halon extinguishers have pressure gauges the same as dry
chemical extinguishers. Don't rely too heavily on the gauge. The extinguisher
can be partially discharged and still show a good gauge reading. Weighing a
Halon extinguisher is the only accurate way to assess its contents.
If your dry chemical extinguisher has a pressure indicator, check it
frequently. Check the nozzle to see if there is powder in it. If there is,
recharge it. Occasionally invert your dry chemical extinguisher and hit the
base with the palm of your hand. The chemical in these extinguishers packs
and cakes due to the boat's vibration and pounding. There is a difference of
opinion about whether hitting the base helps, but it can't hurt. It is known
that caking of the chemical powder is a major cause of failure of dry
chemical extinguishers. Carry spares in excess of the minimum requirement.
If you have guests aboard, make certain they know where the extinguishers
are and how to use them.
Using a Fire Extinguisher
A fire extinguisher usually has a device to keep it from being discharged
aCCidentally. This is a metal or plastic pin or loop. If you need to use your
extinguisher, take it from its bracket. Remove the pin or the loop and point
the nozzle at the base of the flames. Now, squeeze the handle, and
discharge the extinguisher's contents while sweeping from side to side.
Recharge a used extinguisher as soon as possible.
If you are using a Halon or carbon dioxide extinguisher, keep your hands
away from the discharge. The rapidly expanding gas will freeze them. If your
fire extinguisher has a horn, hold it by its handle.
Legal Requirements for Extinguishers
You must carry fire extinguishers as defined by Coast Guard regulations.
They must be firmly mounted in their brackets and immediately accessible.
A motorboat less than 26 feet long must have at least one approved
hand-portable, Type B-1 extinguisher.
© 2006 PDF Manual Master
GENERAL INFORMATION, SAFETY AND TOOLS 1-7
If the boat has an approved fixed fire extinguishing system, you are not
required to have the Type B-1 extinguisher. Also, if your boat is less than 26
feet long, is propelled by an outboard motor, or motors, and does not have
any of the first six conditions described at the beginning of this section, it is
not required to have an extinguisher. Even so, it's a good idea to have one,
especially if a nearby boat catches fire, or if a fire occurs at a fuel dock.
A motorboat 26 feet to under 40 feet long, must have at least two Type
B-1 approved hand-portable extinguishers. It can, instead, have at least one
Coast Guard approved Type B-2. If you have an approved fire extinguishing
system, only one Type B-1 is required.
A motorboat 40 to 65 feet long must have at least three Type B-1
approved portable extinguishers. It may have, instead, at least one Type B-1
plus a Type B-2. If there is an approved fixed fire extinguishing system, two
Type B-1 or one Type B-2 is required.
WARNING SYSTEM
Various devices are available to alert you to danger. These include fire,
smoke, gasoline fumes, and carbon monoxide detectors. If your boat has
a galley, it should have a smoke detector. Where possible, use wired
detectors. Household batteries often corrode rapidly on a boat.
There are many ways in which carbon monoxide (a by-product of the
combustion that occurs in an engine) can enter your boat. You can't see,
smell, or taste carbon monoxide gas, but it is lethal. As little as one part in
10,000 parts of air can bring on a headache. The symptoms of carbon
monoxide pOisoning-headaches, dizziness, and nausea-are like
seasickness. By the time you realize what is happening to you, it may be too
late to take action. If you have enclosed living spaces on your boat, protect
yourself with a detector.
PERSONAL FLOTATION DEVICES
Personal Flotation Devices (PFDs) are commonly called life preservers
or life jackets. You can get them in a variety of types and sizes. They vary
with their intended uses. To be acceptable, PFDs must be Coast Guard
approved.
Type I PFDs
A Type I life jacket is also called an offshore life jacket. Type I life jackets
will turn most unconscious people from facedown to a vertical or slightly
backward position. The adult size gives a minimum of 22 pounds of
buoyancy. The child size has at least 11 pounds. Type I jackets provide more
protection to their wearers than any other type of life jacket. Type I life
jackets are bulkier and less comfortable than other types. Furthermore, there
are only two sizes, one for children and one for adults.
Type I life jackets will keep their wearers afloat for extended periods in
rough water. They are recommended for offshore cruising where a delayed
rescue is probable.
Type II PFDs
• See Figure 7
A Type II life jacket is also called a near-shore buoyant vest. It is an
approved, wearable device. Type II life jackets will turn some unconscious
people from facedown to vertical or slightly backward positions. The adult
size gives at least 15.5 pounds of buoyancy. The medium child size has a
minimum of 11 pounds. And the small child and infant sizes give seven
pounds. A Type II life jacket is more comfortable than a Type I but it does not
have as much buoyancy. It is not recommended for long hours in rough
water. Because of this, Type lis are recommended for inshore and inland
cruising on calm water. Use them only where there is a good chance of fast
rescue.
Type III PFDs
Type III life jackets or marine buoyant devices are also known as flotation
aids. Like Type lis, they are designed for calm inland or close offshore water
where there is a good chance of fast rescue. Their minimum buoyancy is
15.5 pounds. They will not turn their wearers face up.
Type III devices are usually worn where freedom of movement is
necessary. Thus, they are used for water skiing, small boat sailing, and
fishing among other activities. They are available as vests and flotation
coats. Flotation coats are useful in cold weather.
Type Ills come in many sizes from small child through large adult.
Life jackets come in a variety of colors and patterns-red, blue, green,
camouflage, and cartoon characters. From purely a safety standpoint, the
best color is bright orange. It is easier to see in the water, especially if the
water is rough.
Type IV PFDs
• See Figures 8 and 9
Type IV ring life buoys, buoyant cushions and horseshoe buoys are
Coast Guard approved devices called throwables. They are made to be
thrown to people in the water, and should not be worn. Type IV cushions are
often used as seat cushions. But, keep in mind that cushions are hard to
hold onto in the water, thus, they do not afford as much protection as
wearable life jackets.
The straps on buoyant cushions are for you to hold onto either in the
water or when throwing them, they are NOT for your arms. A cushion should
never be worn on your back, as it will turn you face down in the water.
Type IV throwables are not designed as personal flotation devices for
unconscious people, non-swimmers, or children. Use them only in
emergencies. They should not be used for, long periods in rough water.
Ring life buoys come in 18, 20, 24, and 30 inch diameter sizes. They
usually have grab lines, but you will need to attach about 60 feet of
polypropylene line to the grab rope to aid in retrieving someone in the water.
If you throw a ring, be careful not to hit the person. Ring buoys can knock
people unconscious
Type V PFDs
Type V PFDs are of two kinds, special use devices and hybrids. Special
use devices include boardsailing vests, deck suits, work vests, and others.
They are approved only for the special uses or conditions indicated on their
labels. Each is designed and intended for the particular application shown
on its label. They do not meet legal requirements for general use aboard
recreational boats.
Hybrid life jackets are inflatable devices with some built-in buoyancy
provided by plastic foam or kapok. They can be inflated orally or by cylinders
of compressed gas to give additional buoyancy. In some hybrids the gas is
released manually. In others it is released automatically when the life jacket
is immersed in water.
The inherent buoyancy of a hybrid may be insufficient to float a person
unless it is inflated. The only way to find this out is for the user to try it in
the water. Because of its limited buoyancy when deflated, a hybrid is
recommended for use by a non-swimmer only if it is worn with enough infla-
tion to float the wearer.
If they are to count against the legal requirement for the number of life
jackets you must carry, hybrids manufactured before February 8, 1995 must
be worn whenever a boat is underway and the wearer must not go below
decks or in an enclosed space. To find out if your Type V hybrid must be
worn to satisfy the legal requirement, read its label. If its use is restricted it
will say, "REQUIRED TO BE WORN" in capital letters.
Hybrids cost more than other life jackets, but this factor must be weighed
against the fact that they are more comfortable than Types I, II or III life
jackets. Because of their greater comfort, their owners are more likely to
wear them than are the owners of Type I, II or III life jackets.
The Coast Guard has determined that improved, less costly hybrids can
save lives since they will be bought and used more frequently. For these
reasons, a new federal regulation was adopted effective February 8, 1995.
The regulation increases both the deflated and inflated buoyancys of
hybrids, makes them available in a greater variety of sizes and types, and
reduces their costs by reducing production costs.
Even though it may not be required, the wearing of a hybrid or a life jack-
et is encouraged whenever a vessel is underway. Like life jackets, hybrids
are now available in three types. To meet legal requirements, a Type I hybrid
can be substituted for a Type I life jacket. Similarly Type II and III hybrids can
be substituted for Type II and Type III life jackets. A Type I hybrid, when
inflated, will turn most unconscious people from facedown to vertical or
slightly backward positions just like a Type I life jacket. Type II and III hybrids
function like Type II and III life jackets. If you purchase a new hybrid, it
should have an owner's manual attached that describes its life jacket type
and its deflated and inflated buoyancys. It warns you that it may have to be
inflated to float you. The manual also tells you how to don the life jacket and
how to inflate it. It also tells you how to change its inflation mechanism,
recommended testing exercises, and inspection or maintenance procedures.
© 2006 PDF Manual Master
1-8 GENERAL INFORMATION, SAFETY AND TOOLS
Fig. 7 Type II PFDs are recommended for
inshore and inland cruising on calm
water (where there is a good chance of
fast rescue)
Fig. 8 Type IV buoyant cushions are
thrown to people in the water. If you can
squeeze air out of the cushion, it should
be replaced
Fig. 9 Type IV throwables, such as this
ring life buoy, are not designed for
unconscious people, non-swimmers, or
children
The manual also tells you why you need a life jacket and why you
should wear it. A new hybrid must be packaged with at least three gas car-
tridges. One of these may already be loaded into the inflation mechanism.
Likewise, if it has an automatic inflation mechanism, it must be packaged
with at least three of these water sensitive elements. One of these elements
may be installed.
Legal Requirements
A Coast Guard approved life jacket must show the manufacturer's name
and approval number. Most are marked as Type I, II, III, IV or V. All of the
newer hybrids are marked for type.
You are required to carry at least one wearable life jacket or hybrid for
each person on board your recreational vessel. If your vessel is 16 feet or
more in length and is not a canoe or a kayak, you must also have at least
one Type IV on board. These requirements apply to all recreational vessels
that are propelled or controlled by machinery, sails, oars, paddles, poles, or
another vessel. Sailboards are not required to carry life jackets.
You can SUbstitute an older Type V hybrid for any required Type I, II or III
life jacket provided:
1. Its approval label shows it is approved for the activity the vessel is
engaged in
2. It's approved as a substitute for a life jacket of the type required on
the vessel
3. It's used as required on the labels
and
4. It's used in accordance with any requirements in its owner's manual
(if the approval label makes reference to such a manuaL)
A water skier being towed is considered to be on board the vessel when
judging compliance with legal requirements.
You are required to keep your Type I, II or III life jackets or equivalent
hybrids readily accessible, which means you must be able to reach out and
get them when needed. All life jackets must be in good, serviceable
condition.
General Considerations
The proper use of a life jacket requires the wearer to know how it will
perform. You can gain this knowledge only through experience. Each person
on your boat should be assigned a life jacket. Next, it should be fitted to the
person who will wear it. Only then can you be sure that it will be ready for
use in an emergency. This advice is good even if the water is calm, and you
intend to boat near shore.
Boats can sink fast. There may be no time to look around for a life jacket.
Fitting one on you in the water is almost impossible. Most drownings occur
in inland waters within a few feet of safety. Most victims had life jackets, but
they weren't wearing them.
Keeping life jackets in the plastic covers they came wrapped in, and in a
cabin, assures that they will stay clean and unfaded. But this is no way to
keep them when you are on the water. When you need a life jacket it must
be readily accessible and adjusted to fit you. You can't spend time hunting
for it or learning how to fit it.
There is no substitute for the experience of entering the water while
wearing a life jacket. Children, especially, need practice.
If possible, give your guests this experience. Tell them they should keep their
arms to their sides when jumping in to keep the life jacket from riding up.
Let them jump in and see how the life jacket responds. Is it adjusted so it
does not ride up? Is it the proper size? Are all straps snug? Are children's
life jackets the right sizes for them? Are they adjusted properly? If a child's
life jacket fits correctly, you can lift the child by the jacket's shoulder straps
and the child's chin and ears will not slip through. Non-swimmers, children,
handicapped persons, elderly persons and even pets should always wear
life jackets when they are aboard. Many states require that everyone aboard
wear them in hazardous waters.
Inspect your lifesaving equipment from time to time. Leave any
questionable or unsatisfactory equipment on shore. An emergency is no
time for you to conduct an inspection.
Indelibly mark your life jackets with your vessel's name, number, and
calling port. This can be important in a search and rescue effort. It could
help concentrate effort where it will do the most good.
Care of Life Jackets
Given reasonable care, life jackets last many years. Thoroughly dry them
before putting them away. Stow them in dry, well-ventilated places. Avoid the
bottoms of lockers and deck storage boxes where moisture may collect. Air
and dry them frequently.
Life jackets should not be tossed about or used as fenders or cushions.
Many contain kapok or fibrous glass material enclosed in plastiC bags. The
bags can rupture and are then unserviceable. Squeeze your life jacket
gently. Does air leak out? If so, water can leak in and it will no longer be
safe to use. Cut it up so no one will use it, and throw it away. The covers of
some life jackets are made of nylon or polyester. These materials are
plastics. Like many plastics, they break down after extended exposure to the
ultraviolet light in sunlight. This process may be more rapid when the
materials are dyed with bright dyes such as "neon" shades.
Ripped and badly faded fabrics are clues that the covering of your life
jacket is deteriorating. A simple test is to pinch the fabric between your
thumbs and forefingers. Now try to tear the fabric. If it can be torn, it should
definitely be destroyed and discarded. Compare the colors in protected
places to those exposed to the sun. If the colors have faded, the materials
have been weakened. A life jacket covered in fabric should ordinarily last
several boating seasons with normal use. A life jacket used every day in
direct sunlight should probably be replaced more often.
SOUND PRODUCING DEVICES
All boats are required to carry some means of making an efficient sound
signal. Devices for making the whistle or horn noises required by the .
Navigation Rules must be capable of a four-second blast. The blast should
be audible for at least one-half mile. Athletic whistles are not acceptable on
boats 12 meters or longer. Use caution with athletic whistles. When wet,
some of them come apart and loose their "pea." When this happens, they
are useless.
If your vessel is 12 meters long and less than 20 meters, you must have
a power whistle (or power horn) and a bell on board. The bell must be in
operating condition and have a minimum diameter of at least 200mm (7.9
in.) at its mouth.
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