Tiara Yachts Tiara 43 User manual

2022 STANDARDS & OPTIONS
2022 OWNERS MANUAL

Per California law, the label below is afxed to your boat’s helm console.
Should you need a replacement, contact Tiara Yachts customer service
and request safety label #5450131.
CALIFORNIA PROPOSITION 65 WARNING
WARNING
!
WARNING: Operating, servicing and maintaining a recre-
ational marine vessel can expose you to chemicals includ-
ing engine exhaust, carbon monoxide, phthalates, and
lead, which are known to the State of California to cause
cancer and birth defects or other reproductive harm. To
minimize exposure, avoid breathing exhaust, service your
vessel in a well-ventilated area and wear gloves or wash
your hands frequently when servicing this vessel. For
more information go to www.P65warnings.ca.gov/marine.

Welcome to the family of Tiara Yachts boat owners and congratulations on your purchase of
your new Tiara.
We understand there are many choices available to you, and we appreciate the investment
that you’ve made and the subsequent faith and condence that you’ve placed into our
product. Hopefully, during the selection and buying process, you discovered that each Tiara
has been designed, engineered, and built with care and precision.
When our company was started, it was the goal of my father, Leon Slikkers, to provide you
with the nest quality boat available. We want to be the best and deliver the best to you. And
part of that includes a delightful ownership experience. Everything we have achieved since
our humble beginnings has been with this same goal in mind.
The information within this owner’s manual was assembled to assist you in understanding
how to operate your boat to obtain the maximum enjoyment of your Tiara. So please take
time to read the manual completely and please operate your boat safely and courteously.
I would also like to ask you a personal favor. Shortly, you will receive a survey asking
for your opinion about the sales process you experienced when you purchased your
boat. Approximately nine months later, you’ll be sent another survey inquiring about your
ownership experience. By taking a few minutes to complete these surveys, you will be
providing us with valuable information.
Best wishes for many happy hours aboard your new Tiara Yacht,
Thomas B. Slikkers
CEO/President S2 Yachts

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31881230.1
2022 MODELS S2 YACHTS, INC. LIMITED WARRANTY COVERAGE S2 Yachts, Inc. (S2) provides limited warranty coverage on Tiara Yachts products sold for use by
retail (non-commercial) customers, as described in this Limited Warranty. For customers in the U.S.: this warranty gives you specific legal rights; you also may have other rights, which vary from state to state. For customers in the European Union: the purchaser may have additional legal rights under applicable national legislation governing the sale of consumer goods, and those rights (if applicable) are not affected by this warranty. This warranty is provided only to the original purchaser of the boat from an authorized S2 Yachts dealer, but can be transferred to subsequent owners. Contact S2’s Customer Relations Department if you need information about transferring this warranty. No warranty coverage is provided to subsequent owners unless they follow S2’s transfer procedures. This warranty does not extend or apply to anyone else. The terms of this written warranty cannot be changed or modified, except by a written agreement signed by an officer of S2 Yachts, Inc. COVERED PRODUCTS AND LIMITATIONS: S2’s limited warranty coverage applies only to: 1. Defects in materials and workmanship in the boat and all components and accessories (except
for the excluded items described below) for a period of two (2) years;
2. Structural defects in materials and workmanship in the hull and deck for a period of five (5) years; 3. Blistering due to defects in material and workmanship in the gelcoat surface of the hull bottom for
a period of five (5) years, provided that the gelcoat surface has not been altered in any way such as sanding, sandblasting or application of a coating other than standard antifouling paint, any of which will void this warranty.
Each of the warranty coverage periods runs from the date of purchase of the boat from an authorized S2 Yachts dealer and applies only to warranted defects that first manifest themselves and are reported to S2 within the applicable warranty period. S2 retains the right to determine to its reasonable satisfaction whether any claimed defect is covered by this warranty. Certain items are excluded from warranty coverage by S2, and this limited warranty coverage does not apply to: 1. Engines, transmissions, generators, air conditioning systems, swim platforms and lifts,
seakeeping systems, electronics and batteries. These products may come with separate warranties from their manufacturers; see the Owner Packet for warranty registration requirements and details on these products.
2. Dealer final assembly and pre-delivery commissioning, and dealer installed components.
3. Scratching, chipping, discoloration or flaking of any powder coated or painted surface including
engines and hardtop components.
4. Gelcoat stress cracking, chalking, fading or discoloration. This includes bilge gelcoat. 5. Damage caused by accident, wear, storm damage, grounding, towing, commercial use of the
boat, or misuse or abuse, or deterioration resulting from normal use (including gaskets, seals,
springs, wipers and sealants).
6. Maintenance, adjustments or realignments to any components including latches, hinges,
hatches, doors and drive train components.
7. Mold, mildew, upholstery damage or deterioration and cleaning. 8. Damage or deterioration resulting from environmental conditions, including electrolysis, crevice
or galvanic corrosion, any deterioration of underwater equipment, or any damage or deterioration resulting from any failure to undertake reasonable, routine maintenance.
9. Any repairs, adjustments, alterations or modifications made by anyone other than an employee of
S2 Yachts, or an authorized S2 Yachts dealer with S2’s prior, written authorization.
10. Damage which has occurred as a result of the boat being ope
rated as a demonstrator and/or
displayed for sale.
11. Damage or deterioration of the hull or deck structure due to the attachment of hardware or other
components.
12. Weight, speed, fuel consumption or other performance characteristics. 13. Damage or deterioration resulting from improper trailering, hauling, launching or storage.
14. Boats purchased or used for commercial or governmental purposes or uses. REMEDIES UNDER THIS LIMITED WARRANTY If a defect covered by this warranty occurs, S2 (or one of its authorized dealers, as determined by S2) will repair and replace the defective component, in its sole discretion. This ‘repair or replacement’ remedy is the exclusive remedy under this warranty. S2 has no responsibility or liability for any consequential or incidental damages, such as loss of use, storage charges, interest or finance charges, insurance or depreciation, transportation or lodging charges, or charges for towing or hauling out, etc. which are specifically excluded and disclaimed from this warranty. For customers in the U.S.: some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you. UNDER CERTAIN APPLICABLE LAWS, THERE MAY BE NO IMPLIED WARRANTIES OR GUARANTEES FROM S2 APPLICABLE TO YOUR BOAT, AND ALL IMPLIED OR STATUTORY CONDITIONS AND WARRANTIES (INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE) AND GUARANTIES ARE
DISCLAIMED WHERE ALLOWED BY LAW. TO THE FULLEST EXTENT ALLOWED BY LAW, ANY AND ALL APPLICABLE IMPLIED WARRANTIES AND GUARANTIES (IF ANY), INCLUDING ANY
IMPLIED WARRANTY OF MERCHANTABILITY OR PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO THE DURATION OF THE APPLICABLE PROVISIONS OF THIS WRITTEN WARRANTY. For customers in the U.S.: some states do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you. RESPONSIBILITY OF PURCHASER 1. No warranty coverage is provided by S2 unless the customer and dealer complete and return all
Vessel Registration and Customer Acceptance Forms to S2 Yachts, Inc. within thirty (30) days after delivery of the boat to the original purchaser.
2. The original purchaser or approved transferee must notify the S2 Yachts dealer from which the
boat was purchased of any claimed defect within fifteen (15) days after first detecting the claimed
defect. Warranty work in excess of $500 requires S2’s prior written approval.
3. If the dealer fails to satisfactorily repair the claimed defect within fifteen (15) days, written notice must
then be promptly given directly to S2. S2 is not responsible for unreported warranted defects.
4. The boat, including any claimed defective part, must be returned to the S2 Yachts dealer from which
the boat was purchased (or to another dealer or facility as directed by S2 Yachts) within the warranty
period for inspection and warranty service. The expense of returning and transporting the boat or any part for warranty service, and the expense of returning and transporting it back to the owner after repair or replacement, is the responsibility of the owner, and will not be reimbursed by S2.
5. If the dealer from whom the boat was purchased is no longer an authorized S2 Yachts dealer,
contact S2 for instructions on how to obtain warranty service.
S2 reserves the right to improve its products through changes in design or materials without being obligated to the owners of the boats of similar or the same model of prior manufacture. We may be contacted as follows: Tiara Customer Relations Department, 725 East 40th Street, Holland, Michigan 49423 (616/394-7460).
LIMITED WARRANTY

SUPPLEMENTAL LIMITED WARRANTY INFORMATION ON FINISHED WOOD COMPONENTS
Your Tiara Yachts® Boat may be furnished with certain nished wood panels and components that require periodic maintenance
and renishing to maintain their appearance and nish. S2 Yachts, Inc.’s Limited Warranty coverage does not include the match-
ing of wood grains, or the condition or durability of any nishes for such panels and components. This statement supplements S2
Yachts, Inc.’s Limited Warranty with respect to these wood panels and components. All other terms of S2 Yachts, Inc.’s Limited
Warranty remain in effect, and you should refer to the Limited Warranty for other terms, conditions and requirements
CALIFORNIA EVAPORATIVE EMISSIONS CONTROL SYSTEM WARRANTY STATEMENT:
YOUR WARRANTY RIGHTS AND OBLIGATIONS
The California Air Resources Board and S2 Yachts, Inc. is pleased to explain the evaporative emission control system’s warranty
on your 2022 model year spark-ignition marine watercraft. In California, new spark-ignition marine watercraft (SIMW) must be
designed, built, and equipped to meet the State’s stringent anti-smog standards. S2 Yachts, Inc. must warrant the evaporative
emission control system on your spark-ignition marine watercraft for the period listed below provided there has been no abuse,
neglect, or improper maintenance of your SIMW.
Your evaporative emissions control system may include parts such as: canisters, carburetors, clamps, connectors, lters, fuel
caps, fuel lines, fuel tanks, valves, vapor hoses, and other associated evaporative emissions control system components.
MANUFACTURER’S WARRANTY COVERAGE:
This evaporative emission control system is warranted for two years. If any evaporative emission-related part on your SIMW is
defective, the part will be repaired or replaced by S2 Yachts, Inc.
OWNER’S WARRANTY RESPONSIBILITIES:
• As the spark-ignition marine watercraft owner, you are responsible for performance of the required maintenance listed in
your owner’s manual. S2 Yachts, Inc. recommends that you retain all receipts covering maintenance on your spark-ignition
marine watercraft, but S2 Yachts, Inc. cannot deny warranty solely for the lack of receipts.
• As the spark-ignition marine watercraft owner, you should however be aware that S2 Yachts, Inc. may deny you warranty
coverage if your spark-ignition marine watercraft or a part has failed due to abuse, neglect, or improper maintenance or
unapproved modications.
• You are responsible for presenting your spark-ignition marine watercraft to a S2 Yachts, Inc. dealer or authorized service
center as soon as the problem exists. The warranty repairs should be completed in a reasonable amount of time, not to
exceed 30 days. If you have a question regarding your warranty coverage, you should contact S2 Yachts, Inc. at 1-616-
392-7163.
The California evaporative emissions control system warranty covers the following list of components:
(1) Canister Mounting Brackets
(2) Carbon Canister
(3) Carburetor Purge Port Connector
(4) Clamps*
(5) Control Cables*
(6) Control Linkages*
(7) Control Solenoids*
(8) Control Valves*
(9) Electronic Controls*
(10) Fuel Cap
(11) Fuel Line
(12) Fuel Line Fittings
(13) Fuel Tank
(14) Liquid/Vapor Separator
(15) Pressure Relief Valves*
(16) Purge Valves
(17) Vacuum Control Diaphragms*
(18) Vapor Hoses
(19) All other parts not listed that may affect the evaporative
emissions control system
*Note: As they relate to the evaporative emissions control system.

i
53 COUPE
IMPORTANT INFORMATION
Your Tiara Owner’s Manual has been written to include a number of safety in-
structions to assure the safe operation and maintenance of your boat. These
instructions are in the form of WARNING and CAUTION statements. The follow-
ing denitions apply:
All instructions given in this book are as seen from the stern looking toward the
bow, with starboard being to your right, and port to your left. A glossary of boating
terms is included in the Appendix.
DANGER
!
DANGER INDICATES A HAZARDOUS SITUATION WHICH, IF NOT
AVOIDED, WILL RESULT IN DEATH OR SERIOUS INJURY.
WARNING
!
WARNING INDICATES HAZARDS OR UNSAFE PRACTICES WHICH
COULD RESULT IN SEVERE PERSONAL INJURY OR DEATH.
CAUTION
!
CAUTION indicates hazards or unsafe practices which could result in mi-
nor personal injury, or product and property damage.
NOTICE
NOTICE is used to address best practices not related to physical injury.
IMPORTANT NOTE: Your boat uses internal combustion engines and ammable
fuel. Every precaution has been taken by Tiara Yachts to reduce the risks as-

IMPORTANT INFORMATION
ii
sociated with possible injury and damage from re or explosion, but your own
precaution and good maintenance procedures are necessary in order to enjoy
safe operation of your boat.
If for any reason you have trouble with your Tiara Owner’s Manual, or require re-
placement pages, please contact our Customer Service department at the address
on the cover page. We will be happy to supply replacement pages at no charge.
This manual has been compiled to help you to operate your craft with safety and
pleasure. It contains details of the craft, the equipment supplied or tted, its sys-
tems, and information on its operation and maintenance. Please read it carefully,
and familiarize yourself with the craft before using it.
If this is your rst craft, or you are changing to a type of craft you are not familiar
with, for your own comfort and safety, please ensure that you obtain handling
and operating experience before assuming command of the craft. Your dealer or
national sailing federation or yacht club will be pleased to advise you of local sea
schools, competent instructors, and reference material.
PLEASE KEEP THIS MANUAL IN A SECURE PLACE, AND PRESENT IT TO
THE NEW OWNER WHEN YOU SELL THE CRAFT.
Owner’s manuals for the installed equipment on your boat have also been pro-
vided for your reference. They have been stored in a valise that is included in
your new boat. Please read this information, and also hand them over to the new
owner when you sell the boat.

TABLE OF CONTENTS
Chapter 1: EXTERIOR EQUIPMENT AND FEATURES
1.1 UPPER COCKPIT ..................................................................... 1-1
1.1.1 Steering .............................................................................. 1-1
1.1.2 Engine Controls ................................................................. 1-1
1.1.3 Engine Monitoring .............................................................. 1-3
1.1.4 Switch and Breaker Panels ................................................ 1-4
1.1.5 Trim Tabs ........................................................................... 1-7
1.1.6 Equipment Controls .......................................................... 1-8
1.1.7 Stereo ................................................................................ 1-9
1.1.8 Courtesy Lights .................................................................. 1-9
1.1.9 Seating, Storage and Access ............................................. 1-9
1.2 LOWER COCKPIT....................................................................1-11
1.2.1 Dockside Water ............................................................... 1-13
1.2.2 Aft Cockpit Floor ............................................................... 1-13
1.2.3 Optional Tiara Tournament Series Equipment ................. 1-13
1.3 SIDE DECKS ........................................................................... 1-14
1.3.1 Handrails .......................................................................... 1-14
1.3.2 Fill and Pump-Out Ports ................................................... 1-14
1.4 FOREDECK ............................................................................ 1-15
1.5 HULL SIDES AND TRANSOM ............................................... 1-15
1.5.1 Transom Door and Gate .................................................. 1-16
1.6 HARDTOP ............................................................................... 1-16
Chapter 2: INTERIOR EQUIPMENT AND FEATURES
2.1 MASTER STATEROOM ............................................................ 2-1
2.1.1 Berth .................................................................................. 2-2
2.1.2 Hanging Locker .................................................................. 2-3
2.1.3 Outlets, Safety, TV ............................................................ 2-3
2.2 CONVERTIBLE DINETTE ......................................................... 2-4
2.2.1 A.C. & D.C. System Panels ................................................ 2-5

2.2.2 Waste and Water System Monitor, Bilge Alert ................... 2-5
2.3 HEAD ......................................................................................... 2-6
2.3.1 Shower, Vanity, and Vacuush® Toilet ............................... 2-6
2.4 GALLEY ..................................................................................... 2-7
2.4.1 Storage .............................................................................. 2-8
2.4.2 Appliances .......................................................................... 2-8
2.5 COMPANIONWAY ..................................................................... 2-8
2.5.1 Remote Control Lighting System ....................................... 2-9
2.6 CARBON MONOXIDE MONITORING ...................................... 2-9
2.7 Guest Stateroom ..................................................................... 2-10
Chapter 3: ENGINE ROOM
3.1 GENERAL ARRANGEMENT ..................................................... 3-1
3.1.1Centerline ............................................................................ 3-2
3.1.2 Starboard ........................................................................... 3-3
3.1.3 Port .................................................................................... 3-3
Chapter 4: ELECTRICAL SYSTEMS
4.1 GENERAL .................................................................................. 4-1
4.2 12V D.C. SYSTEM .................................................................... 4-1
4.2.1 Power supply ..................................................................... 4-1
4.2.2 Wet Flooded Cell Batteries ................................................ 4-3
4.2.3 Distribution ......................................................................... 4-3
4.2.4 Operating Notes ................................................................. 4-5
4.2.5 12V D.C. Power ................................................................. 4-6
4.3 120 / 240V A.C. SYSTEM .......................................................... 4-6
4.3.1 Power Supplies .................................................................. 4-6
4.3.2 Distribution ......................................................................... 4-7
4.3.3 Operating Notes ................................................................. 4-7
4.4 BONDING SYSTEM .................................................................. 4-9

Chapter 5: OPERATING YOUR BOAT
5.1.1 Connecting to Shore Power .................................................. 1
5.1.2 Fueling Your Boat .................................................................. 3
5.1.3 Fuel System .......................................................................... 4
5.1.4 Filling Your Water Tank ......................................................... 6
5.1.5 Starting Your Engines ........................................................... 6
5.1.6 Throttle Operations ............................................................... 8
5.1.7 Starting the Generator .......................................................... 8
5.2 LEAVING AND RETURNING TO THE DOCK .............................. 9
5.3 WHILE UNDERWAY ................................................................... 10
5.3.1 Waste Disposal ....................................................................11
5.3.2 Anchoring ........................................................................... 12
5.4 AFTER RETURNING TO THE DOCK ........................................ 13
Chapter 6: COMMISSIONING YOUR BOAT
6.1 BEFORE LAUNCHING YOUR BOAT ........................................... 1
6.1.1 Bottom Paint ........................................................................ 1
6.1.2 Bilge Areas ........................................................................... 1
6.1.3 Electrical Systems ................................................................. 2
6.1.4 Installing the Propellers ......................................................... 2
6.2 LIFTING YOUR BOAT .................................................................. 5
6.3 AFTER LAUNCHING YOUR BOAT ............................................. 6
6.3.1 Fresh Water System ............................................................. 6
6.3.2 Electrical Systems ................................................................. 8
6.3.3 Engines and Transmissions .................................................. 8
6.3.4 Interior Equipment ................................................................ 9
6.3.5 Exterior Equipment ............................................................... 9
Chapter 7: ROUTINE MAINTENANCE
7.1 FUEL SYSTEM ............................................................................. 1
7.2 FRESH WATER SYSTEM ............................................................ 4

7.3 ELECTRICAL SYSTEM ................................................................ 6
7.3.1 The 12V D.C. System ........................................................... 7
7.3.2 The 120V/240V A.C. System ................................................ 8
7.4 EXTERIOR EQUIPMENT AND FIBERGLASS ............................. 9
7.4.1 Plexiglass ............................................................................ 10
7.4.2 Hardware ............................................................................ 10
7.4.3 Canvas and Upholstery ........................................................11
7.4.4 Hull Bottom ..........................................................................11
7.4.5 Underwater Gear ................................................................ 12
7.4.6 Washdowns ..........................................................................11
7.5 INTERIOR EQUIPMENT AND DECOR ...................................... 13
7.6 ENGINE ROOM .......................................................................... 14
7.6.1 Engine, Transmissions & Generator ................................... 14
7.6.2 Oil Change System ............................................................. 14
7.6.3 Stufng Boxes ..................................................................... 15
7.6.4 Ventilation System .............................................................. 16
7.6.5 Raw Water Intake Strainers ................................................ 16
7.7 RAW WATER SEACOCKS ......................................................... 17
7.8 HEAD SYSTEM .......................................................................... 17
7.9 DRAINAGE SYSTEM ................................................................. 19
7.10 AIR CONDITIONER FILTERS ................................................. 19
Chapter 8: STORING AND WINTERIZING YOUR BOAT
8.0.1 Supporting the Boat During Storage ..................................... 1
8.0.2 Storage ................................................................................. 1
8.1 FUEL SYSTEM ............................................................................. 1
8.2 FRESH WATER SYSTEM ............................................................ 2
8.3 ELECTRICAL SYSTEM ............................................................... 3

8.3.1 12V D.C. System .................................................................. 3
8.3.2 120V A.C. System ................................................................. 4
8.4 EXTERIOR EQUIPMENT AND FIBERGLASS ............................. 4
8.5 INTERIOR EQUIPMENT .............................................................. 5
8.5.1 Air Conditioning ..................................................................... 5
8.5.2 Head System ........................................................................ 6
8.6 ENGINE ROOM AND BILGE AREAS ........................................... 6
8.6.1 Engines, Transmissions and Generator ................................ 6
8.6.2 Exhaust Systems .................................................................. 7
8.6.3 Raw Water Systems .............................................................. 8
8.6.4 Steering System .................................................................. 10
Appendix A: SPECIFICATIONS
Appendix B: GLOSSARY
Appendix C: MAINTENANCE GUIDES
Appendix D: MAINTENANCE SCHEDULES
Appendix E: ACCIDENT REPORT
Appendix F: FLOAT PLAN
Appendix E: TROUBLESHOOTING
ADDENDUM: FRESH WATER SYSTEM
ADDENDUM: GLENDINNING JOYSTICK CONTROL

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Addendum
FRESH WATER SYSTEM
Reference the addendum at the end of this manual for additional fresh water
system information.
The fresh water system must be disinfected before rst use and yearly at the
beginning of each season. A clean sanitized fresh water system will greatly re-
duce the risk of developing coliform bacteria or other disease-causing organisms
(pathogens) and will help protect the health of everyone onboard.
DISINFECT THE ENTIRE FRESH (POTABLE) WATER SYSTEM PRIOR
TO USE AND YEARLY AT THE BEGINNING OF EACH SEASON. FAIL-
URE TO DO SO CAN RESULT IN DEVELOPING COLIFORM BACTE-
RIA OR OTHER DISEASE-CAUSING ORGANISMS (PATHOGENS) IN
THE WATER SYSTEM. CONSUMPTION OF CONTAMINATED WATER
COULD RESULT IN SEVERE PERSONAL INJURY OR DEATH.
WARNING
!
Addendum
OPTIONAL JOYSTICK OPERATION
Your vessel may be equipped with an optional INBOARD JOYSTICK MANUVER-
ING SYSTEM for dockside maneuvering. Please refer to the end of this manual
for information pertaining to its operation.
A-1

A-2
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EXTERIOR EQUIPMENT & FEATURES
1-1
43 OPEN
Chapter 1
EXTERIOR EQUIPMENT AND FEATURES
1.1 UPPER COCKPIT
1.1.1 Steering
To s t ar boa rd of t he co mp ani on way d oor is t he c ons ol e o f y ou r Tia ra 4 3 ( se e Figure
1-1). In the center, on the vertical face, is the steering wheel. With conventional
drives the steering wheel is connected to a hydraulic pump behind the console.
This hydraulic pump, along with a power assist pump (located in the lazerette
mechanical space under the cockpit oor), operates a hydraulic cylinder at the
stern of your boat and controls rudders on the port and starboard sides. The
power assist pump operates similar to your cars power steering. The pump in-
creases the hydraulic pressures in the system reducing the effort needed by the
operator to turn the boat.
When Zeus drives are in-
stalled there is Electronic
Helm Steering. The feel
of steering resistance is
computer generated. The
steering responce is quick
and there are two turns of
the wheel from lock to lock.
Please refer to the Cummins
Marine Owner’s Manual for
complete steering instruc-
tions with Electronic Helm
Steering.
Steering with the joystick
control:
To maneuver the boat with
the joystick:
1. Move both electronic remote control (ERC) levers to the neutral
position.
2. Move the joystick in the direction that you want the boat to
move, or twist the joystick in the direction that you want the boat
Figure 1-1: Helm Console

EXTERIOR EQUIPMENT & FEATURES
1-2 43 OPEN
to rotate. The joystick can be moved and rotated at the same
time.
Please consult the Cummins Marine Owner’s Manual for detailed joystick control
operation instructions.
Precision Pilot Track Pad Operation with Zeus
The Precision Pilot Track pad is mounted ont he helm in Zeus installations. The
Precision Pilot handles auto pilot functions for the Zeus drives. Please refer to
the Cummins Marine Owner’s Manual for operating instructions.
1.1.2 Engine Controls
Please see Section 5.1.5 for engine cranking procedures. The single lever
electronic engine controls are on the starboard side of the helm. The throttle
handles (port handle for port engine, starboard handle for starboard engine) are
vertical when the engine transmissions are in neutral. The engines are shifted into
forward by pushing the handles forward from vertical and are shifted into reverse
by pulling the handles aft from vertical. When shifting from forward to reverse, or
vice versa, you should pause momentarily at neutral.
With Zeus installations the engine controls are Electronic Remote Control and
work with a Digital Throttle and Shift feature. Please refer to the Cummins Marine
Owner’s Manual for complete operation instructions.
CAUTION
!
Only shift from forward to neutral to reverse with the engines at idle
speed. Failure to do so could result in severe transmission damage.
WARNING
!
DO NOT OPERATE THE VESSEL UNDER POWER WITH THE TRAN-
SOM DOOR OR GATE OPEN. OPERATION OF BOAT WITH TRANSOM
DOOR AND GATE OPEN MAY ALLOW PERSONS TO FALL OVER-
BOARD AND INTO BOAT PROPELLERS OR TO BE LOST IN OPEN
WATER.

EXTERIOR EQUIPMENT & FEATURES
1-3
43 OPEN
Ignitions (see Figure 1-2): The port key starts the
port engine, and the starboard key starts the star-
board engine. Turning an ignition key clockwise,
the rst position is ON - which turns on power to
the engines ignition system, gauges, alarms, and
Cummins® displays. The second position is start.
This is a momentary position so when you release
the key, it springs back to ignition ON. Turning an
ignition key counter clockwise turns the engine
OFF, shutting down power to the engines ignition
systems, gauges, alarms, and the Cummins®
displays.
Below the two ignition keys is the battery parallel
switch. This switch would be activated, if needed,
to use both engine and house battery banks to
crank the engine. The switch must be activated continuously while cranking and
will return to nonparallel mode when released. Please see Section 5.1.5 for en-
gine cranking procedures.
Optionally a bow thruster is available. The optional bow thruster controls are on
the helm. Please see the literature provided by the manufacturer for operation
guidelines.
The helm console is held closed at its forward edge by two screw in bolts. To
access the back side of all console electrical equipment, electronics, engine
CAUTION
!
The console must be securely fastened in the forward position while
operating the boat. Failure to do so may result in unexpected move-
ment of the helm console.
CAUTION
!
All repairs to items in your 3900 Open console should be serviced
by a marine electrician or mechanic. Failure to do so could result in
damage to equipment or difculty in safely operating the boat.
Figure 1-2: Ignition Panel

EXTERIOR EQUIPMENT & FEATURES
1-4 43 OPEN
controls, steering system pump, and engine instrumentation, unscrew the bolts
and pull the top of the helm console aft.
1.1.3 Engine Monitoring
As an option Cummins® QSM11 diesel 715 H.P. engines are available.
The Cummins® engine data display consists of one display unit per engine.
Please consult the Cummins Marine® Engine Data Display User’s Guide, sup-
plied in the boat ship kit, for specic operation.
An analog fuel gauge on the console indicates the level of fuel in the fuel tank,
in fractions of a full tank.
Located on the left of the switch panel are indicator lights to indicate when any
of the bilge pumps are running, and when the generator is running.
Alarm horns are located behind the console. Alarms are triggered by an output
from the engines. If any of the engine parameters (oil PSI, transmission temp,
etc.) goes out of range, the output will turn on an alarm. The electronic engine
display will display the fault/warning. See engine manual for additional informa-
tion on engine alarms.
A rudder angle indicator shows rudder deection angle relative to the dead
ahead position (0 degrees). This indicator is not calibrated in degrees rudder and
is provided as a docking aid to set the rudder to dead ahead.
1.1.4 Switch and Breaker Panels
Forward of the wheel are two Helm Switch Panels (see Figure 1-3). The panel
on the port side contains these switches:
Helm Switch Panel
●Port side switches:
●ACC - Open slot for owner installed components.
●Panel Lights- An ON-OFF switch that, when switched ON, activates
lights in the helm gauge panel and switch panel for use at night.
●Courtesy Lights - An OFF-ON switch that, when switched ON, acti-
vates the courtesy lights in the lower cockpit.