MerCruiser Axius 350 Instruction Manual Download Page 1

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Axius & Axius SeaCore 350, 377 Models with Emissions Control

*8M0053363*

90-8M0053363 1110

NOTE: The following applies to CE marked products only.

Declaration of Conformance – Mercury MerCruiser

This sterndrive or inboard engine when installed in accordance to Mercury MerCruisers’ instructions complies with the

requirements of the following directives by meeting the associated standards, as amended:

Recreational Craft Directive 94/25/EC; 2003/44/EC

Applicable Requirement

Standards Applied

Owner’s manual (A.2.5)

ISO 10240

Openings in Hull, Deck and superstructure (A.3.4)

ISO 9093‑1; ISO 9093‑2

Handling characteristics (A.4)

ISO 8665

Inboard Engine (A.5.1.1)

ISO 15584; ISO 10088; ISO 7840; ISO 10133

Fuel System (A.5.2)

ISO 10088; ISO 7840; ISO 8469

Electrical System (A.5.3)

ISO 10133; ISO 8846

Steering system (A.5.4)

Applicable portions of: ISO 10592, ISO 8848 and ABYC

P‑17

Exhaust emission requirements (B.2)

ISO 8178

Owner’s manual (B.4)

ISO 8665

Noise emission levels (C.1)

ISO 14509

Ignition‑protected equipment (Annex II)

ISO 8846; SAE J1171; SAE J1191; SAE J 2031

Mercury MerCruiser declares that our sterndrive or inboard engines without integral exhaust, when installed in a

recreational craft, in accordance with the manufacturers supplied instructions, will meet the exhaust emissions

requirements of the directive mentioned above. This engine must not be put into service until the recreational craft in which

it is to be installed has been declared in conformity, if so required, with the relevant provision of the directive.

Electromagnetic Compatibility Directive 89/336/EC, 92/31/EEC and 93/68/EEC

Generic emission standard

EN 50081‑1

Generic immunity standard

EN 50082‑1

Vehicles, boats and internal combustion engine driven

devices ‑ Radio disturbance characteristics

SAE J551 (CISPR 12)

Electrostatic discharge testing

EN 61000‑6‑2; EN 61000‑4‑2; EN61000‑4‑3

The notified body responsible for surveillance of the quality system under Full Quality Assurance Module H of Directive

2003/44/EC is:
Det Norske Veritas

Norway

Notified Body Number: 0575

This declaration is issued under the sole responsibility of Mercury Marine and Mercury MerCruiser.

Kevin Grodzki

President ‑ Mercury MerCruiser, Stillwater, OK, USA

Regulatory contact:

Regulations and Product Safety Department

Mercury Marine

W6250 W. Pioneer Road

Fond du Lac, WI 54936

USA

Identification Record

Please record the following information:

Summary of Contents for Axius 350

Page 1: ... our sterndrive or inboard engines without integral exhaust when installed in a recreational craft in accordance with the manufacturers supplied instructions will meet the exhaust emissions requirements of the directive mentioned above This engine must not be put into service until the recreational craft in which it is to be installed has been declared in conformity if so required with the relevan...

Page 2: ...joy using this product for many boating seasons To ensure maximum performance and carefree use we ask that you thoroughly read this manual The Operation Maintenance and Warranty Manual contains specific instructions for using and maintaining your product We suggest that this manual remain with the product for ready reference whenever you are on the water Thank you for purchasing one of our Mercury...

Page 3: ...t in death or serious injury CAUTION Indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE Indicates a situation which if not avoided could result in engine or major component failure IMPORTANT Identifies information essential to the successful completion of the task NOTE Indicates information that helps in the understanding of a particular step or ac...

Page 4: ......

Page 5: ...ial Number Decal MPI 20 Bravo Transom Serial Number 20 Features and Controls 21 Lanyard Stop Switch 21 Emergency Stop E Stop Switch 22 Instrumentation 22 VesselView If Equipped 22 SC1000 and SC100 Digital Gauges If Equipped 23 SmartCraft Partner Digital Gauges 23 Analog Gauges If Equipped 23 Bravo Sterndrive Serial Number and Identification 24 Electronic Helm Steering 24 Dual Handle Electronic Rem...

Page 6: ... 63 Auto Heading 63 Engaging Auto Heading 63 Course Adjustment Using the Turn Buttons or Joystick64 To Resume a Heading 65 Disengaging Auto Heading 65 Response Button 67 Track Waypoint 67 Engaging Track Waypoint Mode 67 Disengaging Track Waypoint Mode 68 Turn Buttons or Joystick in Track Waypoint Mode 69 Auto Heading Button in Track Waypoint Mode 69 Acknowledging a Turn During a Waypoint Arrival 6...

Page 7: ...Engine and Fuel System Preparation 116 Draining the Seawater System 117 Drain System Identification 117 Air Actuated Single Point Drain System 117 Manual Single Point Drain System 118 Three Point Manual Drain System 118 Multi Point Drain MPD System 118 Air Actuated Single Point Drain System 119 Boat in the Water 119 Boat out of the Water 121 Manual Single Point Drain System 123 Boat in the Water 1...

Page 8: ...Page iv 90 8M0053363 eng NOVEMBER 2010 Ordering Literature 139 United States and Canada 139 Outside the United States and Canada 140 Dealer Checklist and Customer Orientation 140 ...

Page 9: ...tion Warranty Chart 10 Global Warranty Charts 11 Warranty for Consumer Applications 11 Warranty for Commercial Applications 11 Warranty for Government Applications 12 Warranty for Consumer Applications 12 Warranty for Commercial Applications 13 Warranty for Government Applications 13 Mercury Installation Quality Certification Program 14 California Emissions Limited Warranty 14 What Is Covered 15 D...

Page 10: ...sure that your warranty coverage begins promptly your selling dealer should fill out the warranty registration card completely and mail it to the distributor responsible for administering the warranty registration and claim program for your area The warranty registration card identifies your name and address product model and serial numbers date of sale type of use and the selling distributor s an...

Page 11: ...ucts to be free of defects in material and workmanship during the period described following Duration of Coverage Warranty Period for Recreational Use The warranty period begins on the date the product is first sold to a recreational use retail purchaser or the date on which the product is first put into service whichever occurs first Products installed by an Installation Quality Certified Install...

Page 12: ...ailable upon proper registration of the product by the authorized dealer Inaccurate warranty registration information regarding recreational use or subsequent change of use from recreational to commercial unless properly reregistered may void the warranty at the sole discretion of Mercury Marine Routine maintenance must be performed according to the maintenance schedule in the Operation Maintenanc...

Page 13: ...h towing storage telephone rental inconvenience slip fees insurance coverage loan payments loss of time loss of income or any other type of incidental or consequential damages are not covered by this warranty Also expenses associated with the removal or replacement of boat partitions or other material in order to gain access to the product are not covered by this warranty No individual or entity i...

Page 14: ...uct Mercury reserves the right to improve or modify products from time to time without assuming an obligation to modify products previously manufactured How to Obtain Warranty Coverage The customer must provide Mercury with a reasonable opportunity to repair and reasonable access to the product for warranty service Warranty claims shall be made by delivering the product for inspection to a Mercury...

Page 15: ...to at our option repairing a corroded part replacing such part or parts with new or Mercury Marine certified remanufactured parts or refunding the purchase price of the Mercury product Mercury reserves the right to improve or modify products from time to time without assuming an obligation to modify products previously manufactured How to Obtain Warranty Coverage The customer must provide Mercury ...

Page 16: ...co 1 year 3 years 1 year 1 year 1 year 4 years 1 year 1 year 1 year 4 years Europe 2 years 3 years 2 years 2 years 3 years 4 years 3 years 3 years 3 years 4 years Japan 1 year 1 year 1 year 1 year 1 year 1 year 1 year 1 year 1 year 1 year Australia and New Zealand 2 years 3 years 3 years 3 years all Tow Sports 2 years 3 years 3 years 3 years all Tow Sports 3 years 4 years South Pacific 1 year 3 ye...

Page 17: ...ar 1 year 1 year 1 year Europe 1 year or 500 hours 1 year or 500 hours 1 year or 500 hours 1 year or 500 hours 1 year or 500 hours 1 year or 500 hours 1 year or 500 hours 1 year or 500 hours none none Japan 1 year or 500 hours 1 year or 500 hours 1 year or 500 hours 1 year or 500 hours 1 year or 500 hours 1 year or 500 hours 1 year or 500 hours 1 year or 500 hours none none Australia and New Zeala...

Page 18: ...hours 1 year or 500 hours 1 year or 500 hours 1 year or 500 hours 1 year or 500 hours 1 year or 500 hours 1 year or 500 hours 1 year or 500 hours none none Japan 1 year or 500 hours 1 year or 500 hours 1 year or 500 hours 1 year or 500 hours 1 year or 500 hours 1 year or 500 hours 1 year or 500 hours 1 year or 500 hours none none Australia and New Zealand 1 year or 500 hours 1 year or 500 hours 1 ...

Page 19: ...t Africa 3 years 3 years Australia New Zealand 2 years Japan 1 year 1 year 1 year South Pacific 2 years 2 years 2 years Other Asia 1 year 1 year 1 year Warranty for Commercial Applications Engine Model Region Standard Factory Limited Warranty by Certification Status of Boat Manufacturer Commercial Limited Corrosion Warranty Not Certified Installation Quality Certified Axius 350 MAG Axius 377 MAG w...

Page 20: ... hours 1 year or 500 hours 3 years Australia New Zealand 1 year or 500 hours Japan South Pacific Other Asia Warranty for Consumer Applications Engine Model Region Standard Factory Limited Warranty by Certification Status of Boat Manufacturer Consumer Limited Corrosion Warranty Not Certified Installation Quality Certified Axius SeaCore 350 MAG Axius SeaCore 377 MAG with Emissions Control The Americ...

Page 21: ... East Africa 1 year or 500 hours 1 year or 500 hours 1 year or 500 hours Australia New Zealand Japan South Pacific Other Asia Warranty for Government Applications Engine Model Region Standard Factory Limited Warranty by Certification Status of Boat Manufacturer Commercial Limited Corrosion Warranty Not Certified Installation Quality Certified Axius SeaCore 350 MAG Axius SeaCore 377 MAG with Emissi...

Page 22: ... powered boats that are registered on and after the boat builder s certification date for all worldwide registrations Mercury has designated a section of our Website to promote the Installation Quality Certification Program and communicate its benefits to consumers For a current list of MerCruiser powered boat brands that have earned Installation Quality Certification visit www mercurymarine com m...

Page 23: ...ty service Warranty claims shall be made by delivering the product for inspection to a Mercury dealer authorized to service the product If purchaser cannot deliver the product to such a dealer please notify Mercury Marine and Mercury will then arrange for the inspection and any covered repair Purchaser in that case shall pay for all related transportation charges and or travel time If the service ...

Page 24: ...ndrive engine at no cost to you including diagnosis parts and labor Manufacturer s Warranty Coverage Select emission control parts from 2009 and later inboard or sterndrive engines are warranted for 3 years or 480 hours whichever first occurs However warranty coverage based on the hourly period is only permitted for engines that are equipped with hour meters as defined in s 2441 a 13 or their equi...

Page 25: ...XXXXX XX X g kW hr XXXXXXXX X XL MMM YYYY NOT FOR SALE IN CALIFORNIA Emission Control Label Not for Sale in California SERIAL Engine Serial Number FAMILY Engine Family STD Emissions Standard D O M Date of Manufacture DISP Piston Displacement Owner Responsibility The operator must have routine engine maintenance performed to maintain emission levels within prescribed certification standards The ope...

Page 26: ...ds for marine engines Two Stars Very Low emission FO IDA mc79570 1 The two star label identifies personal watercraft outboard sterndrive and inboard engines that meet the Air Resources Board s Personal Watercraft and Outboard marine engine 2004 exhaust emission standards Engines meeting these standards have 20 lower emissions than One Star Low Emission engines Three Stars Ultra Low emission A SS D...

Page 27: ...alog Gauges If Equipped 23 Bravo Sterndrive Serial Number and Identification 24 Electronic Helm Steering 24 Dual Handle Electronic Remote Control ERC with DTS Trackpad Features and Operation 24 Operation 24 Adjustment 25 Joystick Basic Operation 25 Power Trim 25 ERC Trim Control 26 Joystick and Trim Control 27 Trailer and Trailer Limit Position 27 Trim without Key 27 Electrical System Overload Pro...

Page 28: ... MPI The serial number decal is located on the engine cover 25903 Serial numbers and maintenance color codes decal The engine serial number is also stamped in the engine block Bravo Transom Serial Number The Bravo transom serial number is stamped in the U bolt plate of the Bravo transom assembly a Transom serial number The transom serial number is also stamped on the gimbal housing This provides a...

Page 29: ...tor s wrist or leg or tie a knot in the lanyard Activation of the lanyard stop switch will stop the engine immediately but the boat will continue to coast for some distance depending upon the velocity and degree of any turn at shut down However the boat will not complete a full circle While the boat is coasting it can cause injury to anyone in the boat s path as seriously as the boat would when un...

Page 30: ...cting other occupants on proper starting and operating procedures should they need to operate the engine in an emergency Accidental or unintended activation of the switch during normal operation is also possible which can cause any or all of the following potentially hazardous situations Occupants can be thrown forward due to unexpected loss of forward motion a particular concern for passengers in...

Page 31: ... contain additional gauges The owner and operator should be familiar with all the instruments and their functions on the boat Ask your boat dealer to explain the gauges and normal readings that appear on your boat Your package may include the following types of gauges may be included with your power package L H OIL C H TEMP 0 1 2 3 4 5 6 7 8 R P M X 1000 MPH KPH 10 20 30 40 50 60 70 80 30 40 50 60...

Page 32: ...efully until you have a chance to explore the Axius system s handling characteristics and boat s responses in an open area clear of obstructions or other boat traffic The initial steering setting of two turns lock to lock provids a fast steering response Maneuvers at speed can be more abrupt than expected The distributor can adjust the number of turns if desired Dual Handle Electronic Remote Contr...

Page 33: ...o increase tension on the control handle and counter clockwise to decrease tension 3 Adjust to desired tension Starboard side with side cover removed a ERC handle tension adjustment screw labeled De b ERC handle detent tension adjustment screw labeled Fr Joystick Basic Operation The joystick offers precise intuitive control of your boat during low speed and docking maneuvers Engine speed is limite...

Page 34: ...oat bottom is at a 3 5 angle to the water 3 5 mc79528 Trimming the sterndrive unit up out can Generally increase top speed Increase clearance over submerged objects or a shallow bottom Cause the boat to accelerate and plane off slower In excess cause boat porpoising bouncing or propeller ventilation Cause engine overheating if trimmed up out to a point where any cooling water intake holes are abov...

Page 35: ...ntenance until performing the Wide Open Throttle Reverse operation to end the Trim Without Key mode Trim without key is a method of allowing trim operation after the ignition key switch is turned off The command module and PCM remain powered and process trim requests for up to 15 minutes after the key switch is turned off The command module does not process any requests other than trim during this...

Page 36: ...tripped b Red test button 2 A 90 amp fuse is located on the large post of the starter solenoid This fuse protects the engine wiring harness if an electrical overload or a reversed battery condition occurs mc74907 1 3 Four fuses are located on the port side of the engine These fuses protect various Electronic Fuel Injection EFI circuits mc77602 1 NOTE The main power and fuel pump relays are located...

Page 37: ...r b 10 amp spade fuse c Fuse holder 6 The Quicksilver MerCathode system has a 20 amp in line fuse in the wire which connects to the positive terminal on controller If the fuse is blown the system will not operate resulting in a loss of corrosion protection mc79977 Warning Horn Signals Most faults will cause the warning horn circuit to activate How the warning horn activates depends on how serious ...

Page 38: ...als a Horn on or off b Time in seconds Below are some examples of a caution fault Drive oil is low sterndrive models only Sensor failure Severe IMPORTANT If you experience a severe fault contact your authorized Mercury MerCruiser dealer If a severe fault is detected the audio warning system sounds for six seconds turns off for six seconds and sounds for six more seconds Then the audio warning syst...

Page 39: ...educe the available power level of the engine to help prevent damage from decreased water flow to the engine If the debris passes through and full water flow is restored engine power levels are restored to normal To avoid a possible recurrence of the problem you should contact an authorized dealer The ECM stores the fault and with this information the technician will be able to more rapidly diagno...

Page 40: ... cause the Precision Pilot to change to heading control and change the heading 1 Response Increases or decreases the amount of control exerted by the Precision Pilot on disturbances to external course changes in three levels Selection will be in a 123 321 format The response levels can be calibrated Track Waypoint Engages Precision Pilot in GPS Track mode Track can be engaged by either pressing th...

Page 41: ... Spin the Boat at Low Speeds 42 Maneuvering with the Joystick 42 Special Digital Throttle and Shift DTS Features 46 Dock 47 Throttle Only 48 1 Single Lever 49 Sync 49 Axius Plus CAN Control Pad If Equipped 50 General Information 50 Heading Adjustment and Override 50 Standby 50 Standby and Active Lights 50 Power Icon 50 Auto Heading 51 Disengage Auto Heading 53 To Resume to a Heading 53 Changing Ve...

Page 42: ... oars A spare propeller spare thrust hubs and an appropriate wrench A first aid kit and first aid instructions Waterproof storage containers A compass and appropriate maps or charts Watch for signs of weather change Avoid foul weather and rough sea boating Tell someone where you are going and when you expect to return Board cautiously Stop the engine whenever passengers are boarding unloading or a...

Page 43: ... of the boat IMPORTANT Consult local law enforcement for a complete explanation of rules and regulations Be Alert to Carbon Monoxide Poisoning Carbon monoxide is present in the exhaust fumes of all internal combustion engines including the outboards sterndrives and inboard engines that propel boats as well as the generators that power various boat accessories Carbon monoxide is a deadly gas that i...

Page 44: ...moving even coasting and the gear shift is in neutral there is sufficient force by the water on the propeller to cause the propeller to rotate This neutral propeller rotation can cause serious injury While Boat Is Stationary WARNING A spinning propeller a moving boat or any solid device attached to the boat can cause serious injury or death to swimmers Stop the engine immediately whenever anyone i...

Page 45: ...alling over the front of the boat mc79557 1 Wave and Wake Jumping WARNING Wave or wake jumping can cause serious injury or death from occupants being thrown within or out of the boat Avoid wave or wake jumping whenever possible mc79680 1 Operating recreational boats over waves and wakes is a natural part of boating However when this activity is done with enough speed to force the boat hull partial...

Page 46: ...om could cause additional damage to other parts of the power package or could affect control of the boat If continued operation is necessary do so at greatly reduced speeds WARNING Operating a boat or engine with impact damage can result in product damage serious injury or death If the vessel experiences any form of impact have an authorized Mercury Marine dealer inspect and repair the vessel or p...

Page 47: ...ade surface If allowed to continue eventual blade failure breakage will occur Excessive ventilation is usually caused by Drive unit trimmed out too far A missing propeller diffuser ring A damaged propeller or gear housing which allows exhaust gases to escape between propeller and gear housing Drive unit installed too high on transom Elevation and Climate Elevation and climate changes will affect t...

Page 48: ...nditions permit safe operation Do not operate at one speed consistently for extended periods Do not exceed 3 4 throttle during the first 10 hours During the next 10 hours occasional operation at full throttle is permissible 5 minutes at a time maximum Avoid full throttle acceleration from idle speed Do not operate at full throttle until the engine reaches normal operating temperature Frequently ch...

Page 49: ...ts a Push the throttle only button and position the remote control handle or throttle lever to the 1 4 throttle position b Turn the ignition key to start Release key when the engine starts and allow the switch to return to the on position 6 If the engine does not start after step 5 a Move the remote control lever to the full throttle position then return to 1 4 throttle b Turn the ignition key to ...

Page 50: ... the Boat in Forward Place one or both engines in forward gear and steer with the steering wheel as you would any comparable boat To Steer the Boat in Tight Turns at Low Speeds To turn the boat in tight turns at low speeds turn the wheel in the direction of the turn To increase the turn rate of the boat after the wheel is completely turned you may increase the power to the inside drive To Spin the...

Page 51: ...he boat to rotate The joystick can be moved and rotated at the same time The following table gives some limited examples of the basic responses to inputs from the joystick Maneuvering with the Joystick Joystick Input Boat Response Movement shown from light gray to dark gray 24705 Boat moves forward 25928 24706 Boat moves aft 25927 24707 Boat moves to starboard without rotating 25929 ...

Page 52: ...n from light gray to dark gray 24708 Boat moves to port without rotating 25931 24709 Boat moves diagonally forward and to the starboard without rotating 25926 24710 Boat moves diagonally aft and to the starboard without rotating 25924 24711 Boat moves diagonally aft and to the port without rotating 25923 ...

Page 53: ...nse Movement shown from light gray to dark gray 24712 Boat moves diagonally forward and to the port without rotating 25925 24713 Boat rotates clockwise 25921 24714 Boat rotates counter clockwise 25920 24715 Boat moves diagonally forward and to the starboard while rotating clockwise 25916 ...

Page 54: ...918 24719 Boat moves diagonally forward and to the port while rotating counterclockwise 25917 24720 Boat moves to the port while rotating clockwise 25930 Special Digital Throttle and Shift DTS Features The DTS system features several alternate operational modes for the Electronic Remote Control ERC levers Any of the listed features can operate simultaneously and can help you with Warming the engin...

Page 55: ... capacity to approximately 50 of normal throttle e THROTTLE ONLY Allows the boat operator to increase engine RPM for warm up without shifting the transmission into gear f 1 LEVER Enables the throttle and shift functions of both engines to be controlled by the port lever g SYNC Turns off or on the auto synchronization feature Refer to Synchronizing Engines h increase and decrease Increases and decr...

Page 56: ...Only 31465 THROTTLE ONLY button To engage Throttle Only mode 1 Place both ERC levers in neutral 2 Press the THROTTLE ONLY button located on the DTS trackpad 3 The THROTTLE ONLY button light illuminates and the neutral lights blink 4 Place either ERC lever into gear 5 The RPM of the engines can be increased while the transmissions remains in Neutral NOTE Pressing the THROTTLE ONLY button while the ...

Page 57: ...missions remain in the same gear To disengage 1 single lever mode 1 Place both ERC levers in neutral 2 Press the 1 LEVER button The 1 LEVER button light turns off Sync The Axius system features Sync an automatic engine synchronization feature which engages automatically at key up Sync monitors the position of both levers If both levers are within 10 of one another the port engine synchronizes to t...

Page 58: ...y 3 4 4 5 kg 8 10 lb of force are required to overcome this detent Manually overcoming the steering wheel s detent force automatically puts Axius CAN into standby mode 1 When Auto Heading is engaged the TURN buttons provide a 10 course correction for each press to the port or starboard 2 The joystick provides a 1 course correction for each press to the port or starboard Standby In standby mode the...

Page 59: ... HEADING button to engage Axius The button illuminates and a single beep sounds A double beep sounds if auto heading does not engage a AUTO HEADING button b Power icon 3 Axius holds the compass heading the boat is following when the AUTO HEADING button is pressed 31409 4 To make adjustments in the default heading while auto heading is active and the button light is on press the respective TURN but...

Page 60: ...for each movement 24707 Adjusting the heading to starboard port opposite 6 Turn the wheel or press the AUTO HEADING button to disengage Auto Heading and a single beep sounds If the steering wheel is used to disengage Auto Heading the resume button LED turns on and a single beep sounds While the LED is lit you can press the RESUME button to resume auto heading a Port TURN button b Starboard TURN bu...

Page 61: ...he steering wheel beyond the electronic detent Press the AUTO HEADING button on the Axius track pad The AUTO HEADING button LED light turns off a Button LED light b AUTO HEADING button To Resume to a Heading The RESUME button light turns on if the previous course heading is available to resume The previous heading can only be resumed within one minute of the Auto Heading being disengaged or if the...

Page 62: ... you are in an area where the product is operated continuously year round you should contact your dealer at the end of the first 100 hours of operation or once yearly whichever occurs first Axius Premier If equipped Axius Premier Touchpad General Information NOTE Not all of the functions of the Axius system work when DTS functions are engaged Disengage the DTS functions to use the functions of Axi...

Page 63: ... on at a time If you press a button that has the power icon when that button light is on the light turns off for that button and the STANDBY light illuminates If you press a button with the power icon when that button light is off the light turns on for that button a single beep sounds and the ACTIVE light illuminates Buttons with power icons a SKYHOOK button b AUTO HEADING button c TRACK WAYPOINT...

Page 64: ... twice if auto heading does not engage a Indicator lamp b AUTO HEADING button 3 Axius will hold the current compass heading the boat is following when the AUTO HEADING button is pressed 31409 4 To adjust the heading while auto heading is active and the button light is on press the TURN button on the touchpad or tap quickly move the joystick 5 To make a turn 35561 a b ...

Page 65: ...n you want to turn Each press of the button changes the desired heading by 10 a Port TURN button b Starboard TURN button Tap the joystick in the direction you want to turn Tap the joystick left port or right starboard to adjust your course by 1 24707 Adjusting the heading to starboard port opposite 35567 a b ...

Page 66: ...light turns on You cannot resume your course by pressing the RESUME button a OFF button b Current heading c Drive positions d Engine RPM Pressing the AUTO HEADING button causes VesselView to displays the AUTO HEADING screen for three seconds If the VesselView AUTO HEADING screen does not appear the AUTO HEADING screen needs to be activated in VesselView calibration Axius still engages whether the ...

Page 67: ...5 Select the option you desire 6 Press to exit Skyhook WARNING A rotating propeller a moving boat or a device attached to a moving boat can cause serious injury or death to people in the water When Skyhook is engaged the propellers rotate and the boat moves to maintain the position of the boat Stop the engines immediately whenever anyone is in the water near the boat Skyhook uses GPS and the compa...

Page 68: ...reset position however Skyhook can disengage unexpectedly When Skyhook disengages the boat does not hold the preset position and may drift causing the potential of damage or personal injury The helm operator must be able to take control of the boat when using Skyhook Skyhook relies on an operational GPS receiver and operational heading sensor Occasionally due to imperfect satellite communications ...

Page 69: ...he ERC levers to neutral Skyhook will not engage until the boat is in neutral 2 Inform passengers to stay out of the water and off the swim platform and to be alert for any sudden shifts in the boats position when skyhook is engaged 3 Ensure that no one is on the swim platform or in the water anywhere near the boat WARNING A rotating propeller a moving boat or a device attached to a moving boat ca...

Page 70: ...NDBY turn off 11 To disengage Skyhook you must choose one of the following methods Press the SKYHOOK button on the Axius Premier Trackpad Move any ERC lever out of neutral Move the joystick A single horn beep sounds when the feature disengages See Disengaging Skyhook for complete details The Skyhook Screen in VesselView In Skyhook mode VesselView displays a special Skyhook screen The elements of t...

Page 71: ...ng engine in forward gear NOTE Auto Heading does not function with the ERC levers in neutral or reverse 2 Steer the boat to the desired compass heading 3 Press the AUTO HEADING button to engage the Auto Heading mode The button illuminates and a single horn beep sounds acknowledging engagement A double horn beep sounds if Auto Heading does not engage a Port TURN button b Starboard TURN button c RES...

Page 72: ... Adjustment Using the Turn Buttons or Joystick While in AUTO HEADING mode the TURN buttons course adjust buttons change the set course heading each time they are pressed Tapping the joystick left or right adjusts your course for each tap 1 Press the TURN button in the direction of the desired heading change Each press of the button changes the desired heading by 10 a Port TURN button b Starboard T...

Page 73: ...re than 180 Press the RESUME button to resume the previous heading if you Turned the steering wheel and disengaged Auto Heading Pressed one of the TURN course adjust buttons with Auto Heading engaged a Port TURN button b Starboard TURN button c RESUME button d AUTO HEADING button Disengaging Auto Heading 1 Disengage the Auto Heading mode with any of the following actions Place the ERC handles for ...

Page 74: ...urse in Auto Heading See To Resume a Heading If you do not wish to resume the course press the AUTO HEADING button once to engage Standby and press it again to turn the Auto Heading mode off a Mode indicator OFF or AUTO b Current heading c Drive positions d Engine RPM 4 If the ERC Handles were moved to neutral Auto Heading turns off the STANDBY light turns on You cannot resume your course by press...

Page 75: ...aypoint and Waypoint Sequence the boat navigates a preset course The boat does not automatically respond to hazards such as other watercraft obstacles swimmers or underwater terrain Collision with these hazards could cause boat damage serious injury or death The operator must stay at the helm ready to evade hazards and warn others of course changes IMPORTANT Track Waypoint can only be used with ch...

Page 76: ...ay in VesselView NOTE This display screen is activated during VesselView calibration The GPS system generates the displayed heading based on magnetic North 31413 Track Waypoint screen Disengaging Track Waypoint Mode 1 Disengage the Track Waypoint mode by one of the following methods Press the TRACK WAYPOINT button on the Axius Premier Trackpad The TRACK WAYPOINT button light goes off and Axius Pre...

Page 77: ...WAYPOINT mode press the AUTO HEADING button to cause Axius Premier to change to AUTO HEADING mode Acknowledging a Turn During a Waypoint Arrival IMPORTANT Track Waypoint mode does not automatically turn the boat upon arrival at a plotted waypoint 1 When the boat enters a waypoint arrival zone as indicated by the chart plotter a short horn beep sounds and the WAYPOINT SEQUENCING button light starts...

Page 78: ... continues on its current heading 5 At the end of the Track Waypoint course input a new route or take control of the boat Otherwise the boat will revert to auto heading mode and continues on its last course heading Waypoint Sequence 1 Place the ERC lever or levers into forward WAYPOINT SEQUENCE does not engage if the levers are in neutral or reverse 2 If the Track Waypoint button light is not on p...

Page 79: ...uence the boat navigates a preset course The boat does not automatically respond to hazards such as other watercraft obstacles swimmers or underwater terrain Collision with these hazards could cause boat damage serious injury or death The operator must stay at the helm ready to evade hazards and warn others of course changes 6 Press the enter button to acknowledge it is OK to turn The enter button...

Page 80: ...ime Cruise resets when the key is turned off If the cruise limit is changed while the levers are at WOT cruise gradually changes to the new speed Cruise does not disengage if the ERC levers are at a higher engine speed than the actual RPM Bring the levers back to the forward detent to disengage Contingent Operations Port Engine Only Operation The force feedback feature of the steering wheel is onl...

Page 81: ...l before removing any components or opening any fluid hoses 2 Unplug the shift actuator wiring harness connector 3 Move the shift lever into the neutral position The shift actuator is in the neutral position when the shift lever is straight up and the shift interrupt switch is fully engaged a Harness b Shift lever c Shift lever in neutral position d Shift lever in forward position e Shift lever in...

Page 82: ...Section 3 On The Water Notes Page 74 90 8M0053363 eng NOVEMBER 2010 ...

Page 83: ...g Reformulated Oxygenated Gasolines USA Only 76 Gasolines Containing Alcohol 76 Engine Oil 76 Engine Specifications 77 Engine Specifications 78 Axius 350 MAG Axius SeaCore 350 MAG with Emissions Control 78 Axius 377 MAG Axius SeaCore 377 MAG with Emissions Control 79 Fluid Specifications 79 Engine 80 Sterndrive Bravo 80 Steering 80 Power Trim 80 4 ...

Page 84: ...er engine will withstand up to 10 alcohol content in the gasoline We do not know what percentage your boat s fuel system will withstand Contact your boat manufacturer for specific recommendations on the boat s fuel system components fuel tanks fuel lines and fittings Be aware that gasolines containing alcohol may increase Corrosion of metal parts Deterioration of rubber or plastic parts Fuel perme...

Page 85: ...Quicksilver Synthetic Blend NMMA FC W rated 4 cycle oil MerCruiser Quicksilver 25W40 NMMA FC W rated oil A NMMA FC W rated oil MerCruiser Quicksilver 4 cycle 25W40 non FC W rated oil SAE 20W SAE30W SAE40W AIR TEMPERATURE ORDER OF PREFERENCE 32 F 0 C 50 F 10 C 8082 Engine Specifications NOTE Performance ratings are obtained and corrected in accordance with SAE J1228 ISO 8665 Crankshaft Power NOTE A...

Page 86: ...able Firing order 1 8 4 3 6 5 7 2 Electrical system 12 Volt Negative Ground Alternator rating 65 A Recommended minimum battery rating 800 CCA 1000 MCA or 190 Ah Spark plug type AC Platinum AC 41 993 Spark plug gap 1 5 mm 0 060 in Engine Specifications Axius 350 MAG Axius SeaCore 350 MAG with Emissions Control NOTE Performance specifications are obtained and corrected in accordance with SAE J1228 I...

Page 87: ...5 Crankshaft Power All measurements are taken with the engine at normal operating temperature RPM range is measured using an accurate service tachometer with the engine at normal operating temperatures Oil pressure must be checked with the engine at normal operating temperature NOTE Oil pressure specifications are for reference and may vary Propshaft power 293 kW 320 hp Displacement 6 2 L 377 cid ...

Page 88: ...rs 21 U S qt Propylene Glycol and Purified Water Closed cooling system 19 liters 20 U S qt Mercury Extended Life Coolant Antifreeze or Extended Life Ethylene Glycol 5 100 Coolant Antifreeze mixed 50 50 with Purified Water Sterndrive Bravo NOTE Oil capacity includes gear lube monitor Model Capacity Fluid Type Bravo Three with dual water pickups 2736 mL 92 1 2 oz High Performance Gear Lubricant Brav...

Page 89: ...nspection 94 Replacement 95 Water Separating Fuel Filter MPI 96 Water Separating Fuel Filter 96 GEN III Models 96 Removal 96 Installation 97 Lubrication 97 Electronic Shift Control ESC Shift Cable 97 Sterndrive Unit and Transom Assembly 98 Sterndrive U joint Shaft Splines And O rings Sterndrive Unit Removed 98 Engine Coupler 98 Propellers 99 Propeller Repair 99 Bravo Three Propeller Removal 99 Bra...

Page 90: ... product damage personal injury or death due to fire explosion electrical shock or unexpected engine starting Always disconnect the battery cables from the battery before maintaining servicing installing or removing engine or drive components WARNING Fuel vapors trapped in the engine compartment may be an irritant cause difficulty breathing or may ignite resulting in a fire or explosion Always ven...

Page 91: ... plug leads and electrical leads for damage Remove and inspect the propeller If badly nicked bent or cracked contact your authorized Mercury MerCruiser dealer Repair nicks and corrosion damage on power package exterior finish Contact your authorized Mercury MerCruiser dealer Maintenance Schedule Sterndrive Models Routine Maintenance NOTE Only perform maintenance that applies to your particular pow...

Page 92: ...nually whichever occurs first All Bravo models except 496 Lubricate the engine coupler Every 300 hours or 3 years Check the engine mounts for tightness and torque if necessary Check the electrical system for loose damaged or corroded fasteners Inspect the condition of the spark plugs spark plug wires and the distributor cap and rotor if equipped Replace as necessary Check the cooling system and th...

Page 93: ...o drain into the oil pan The boat must be at rest in the water 2 Remove the dipstick Wipe clean and reinstall fully into the dipstick tube Wait 60 seconds to allow trapped air to vent NOTE Ensure that dipstick is installed with oil level indication marks facing the rear of the engine flywheel end a Dipstick tube IMPORTANT Add the specified engine oil to bring the level up to but not over the full ...

Page 94: ...il 25W 40 5 0L 305 cid 4 25 liters 4 5 U S qt 5 7L 350 cid Changing Oil and Filter Refer to the Maintenance schedule for the change interval Engine oil should be changed before placing the boat in storage IMPORTANT Change engine oil when the engine is warm from operation Warm oil flows more freely carrying away more impurities Use only recommended engine oil refer to Specifications Easy Engine Oil...

Page 95: ...ng on new filter with engine oil and install 3 Tighten oil filter securely following filter manufacturer s instructions Do not overtighten 4 Remove oil fill cap IMPORTANT Always use dipstick to determine exactly how much oil is required 5 Add recommended engine oil to bring level up to the bottom of the OK range on the dipstick 6 With the boat at rest in the water check the oil level and add speci...

Page 96: ...hot mark when the engine is warm When the engine is cold the fluid level must be in the cold range and not above the full cold mark 6 Add the specified fluid if required a Reservoir b Fill cap c Warm range d Cold range e Full hot mark f Full cold mark Tube Ref No Description Where Used Part No 28 Dexron III Automatic Transmission Fluid Steering system Obtain Locally 7 Reinstall the fill cap NOTE I...

Page 97: ...be Ref No Description Where Used Part No 122 Extended Life Antifreeze Coolant Closed Cooling System 92 877770K1 Filling NOTICE Using propylene glycol antifreeze in the closed cooling system can damage the cooling system or the engine Fill the closed cooling system with an ethylene glycol antifreeze solution suitable to the lowest temperature to which the engine will be exposed NOTICE Without suffi...

Page 98: ...tuate during operation Check the oil level with the engine cold before starting 1 Check the gear lube level in the gear lube monitor Keep the level within the recommended operating range a Gear lube monitor b Typical closed cooled model c Typical seawater cooled model 2 Inspect the lubricant condition If any water is visible at the bottom of the gear lube monitor if water appears at the fill and d...

Page 99: ... Place the sterndrive unit in full trim limit out position remove the fill and drain screw and sealing washer and drain the gear lube a Fill and drain screw b Sealing washer 5 Remove the vent screw and sealing washer Allow the gear lube to drain completely a Vent screw b Sealing washer IMPORTANT If any water drained from the gear lube fill and drain hole or if the gear lube appears milky the stern...

Page 100: ... oz 11 Remove the pump from the fill and drain hole Quickly install the sealing washer and the fill and drain screw Tighten securely 12 Reinstall the propeller Refer to Propellers 13 Recheck the gear lube level after the first use IMPORTANT The level of oil in the gear lube monitor will rise and fall during sterndrive operation Check the level only when the sterndrive is cool and the engine is shu...

Page 101: ...e engine s battery The voltage may go below the ECM s minimum required voltage Also the alternator on the other engine may now start charging This could cause a voltage spike in the engine s electrical system In either case the ECM could shut off When the voltage returns to the range that the ECM requires the ECM will reset itself and the engine will operate normally The ECM shuts off and resets i...

Page 102: ...er and a mild detergent Dry with compressed air or allow to air dry completely 8 Inspect the crankcase ventilation hose for cracks or deterioration Replace if necessary 9 Install the flame arrestor and flame arrestor bracket Torque the flame arrestor bracket nuts to specification Description Nm lb in lb ft Flame arrestor bracket nut 12 106 10 Connect the crankcase ventilation hose to the fitting o...

Page 103: ... manifold vacuum will suck the paper against the open end of the valve d Stop the engine If the paper was not drawn onto the open end of the valve check the hose connection and for vacuum leaks in the hose If no leaks are present replace the PCV valve 5 Install the PCV valve in the valve cover and reconnect the hose if not connected already 6 Ensure that the PCV valve is tightly seated in the valv...

Page 104: ...Module b Cool Fuel Module harness c Filter cap d Filter assembly retaining screw e Fuel filter element f Filter cup g Cool Fuel Module filter reservoir h O ring Removal 1 Allow the engine to cool down NOTE Mercury MerCruiser recommends that the engine be shut off for 12 hours prior to filter removal 2 Close fuel supply valve if equipped 3 Disconnect the Cool Fuel Module harness from the engine wir...

Page 105: ...Ensure that the filter cap is firmly seated against the Cool Fuel Module and torque each filter assembly retaining screw Description Nm lb in lb ft Filter assembly retaining screw 6 53 6 Open fuel supply valve if equipped 7 Reconnect the Cool Fuel Module harness to the engine wiring harness 8 Properly ventilate the engine compartment NOTICE Without sufficient cooling water the engine the water pum...

Page 106: ...on refer to Propellers Sterndrive U joint Shaft Splines And O rings Sterndrive Unit Removed 1 Coat sterndrive U joint O rings and driveshaft splines with grease a Driveshaft splines b U joint O rings 3 Tube Ref No Description Where Used Part No 91 Engine Coupler Spline Grease Driveshaft splines and U joint O rings 92 802869A 1 2 For propeller shaft lubrication refer to Propellers Engine Coupler 1 ...

Page 107: ... injury or death Never operate the boat out of the water with a propeller installed Before installing or removing a propeller place the drive unit in neutral and engage the lanyard stop switch to prevent the engine from starting Place a block of wood between the propeller blade and the anti ventilation plate 1 Place wood block between propeller blades and anti ventilation plate to prevent rotation...

Page 108: ... washer j Propeller shaft anode 1 Slide forward thrust hub onto propeller shaft with tapered side toward propeller hub toward end of shaft 2 Apply a liberal coat of one of the following lubricants to the propeller shaft Tube Ref No Description Where Used Part No 34 Special Lubricant 101 Propeller shaft 92 802865Q02 94 Anti Corrosion Grease Propeller shaft 92 802867Q 1 95 2 4 C Marine Lubricant wit...

Page 109: ...opeller shaft threads 92 809819 12 Secure the propeller shaft anode to the propeller shaft using the propeller shaft anode screw and washers Torque the screw Description Nm llb in lb ft Propeller shaft anode screw 38 mm 0 3125 18 x 1 5 in long 27 20 Serpentine Drive Belt Checking WARNING Inspecting the belts with the engine running may cause serious injury or death Turn off the engine and remove t...

Page 110: ...lt at the location that has the longest distance between two pulleys 3 Attach the Kent Moore belt tension gauge or equivalent to the belt 4 Put a wrench on the adjustment stud 16 mm 5 8 in locking nut 5 Use a 8 mm 5 16 in socket and tighten the adjusting stud to adjust the belt tension 6 Check the gauge for correct belt tension The gauge has different ranges for new and used belts Kent Moore belt ...

Page 111: ...to function effectively MerCathode System Battery Requirements The Mercury MerCruiser MerCathode system requires a minimum battery charge of 12 6 volts at all times to maintain functionality Boats equipped with a MerCathode system that use shore power and are not run for a long period of time must use a battery charger to maintain a minimum battery charge of 12 6 volts or above Boats equipped with...

Page 112: ... electrode harness 20340 Anode kit if equipped The boat transom 20341 Trim cylinder anodes Mounted on each of the trim cylinders 20342 Propshaft anode Bravo Three Bbehind the aft propeller 20344 Checking the Quicksilver MerCathode System The MerCathode system should be tested to ensure adequate output Perform the test where boat is moored using the reference electrode and test meter Contact your a...

Page 113: ...sable to paint the bottom to help prevent marine growth Refer to the following information for special notes about the use of anti fouling paints Anti fouling Paint IMPORTANT Corrosion damage that results from an improper type or application of anti fouling paint will not be covered by the limited warranty IMPORTANT You may paint the boat hull or transom with anti fouling paint if the following pr...

Page 114: ...e gimbal housing and trim cylinder g Ground wire between the gimbal ring and gimbal housing We recommend the following maintenance items to help keep your sterndrive corrosion free Maintain a complete paint covering on the sterndrive Check the finish regularly Prime and paint nicks and scratches using Mercury enamel paint and touch up paint Use only tin based anti fouling paint or its equivalent o...

Page 115: ...ee different types of water pickups through the hull through the transom and through the sterndrive The flushing procedures for these systems are separated into two categories sterndrive water pickups and alternative water pickups IMPORTANT Engines that require dual water pickups require a through the hull or through the transom pickup in addition to the sterndrive water inlets IMPORTANT Engines w...

Page 116: ...he engine 1 On seawater cooled models Proceed to Step 4 or Step 5 2 On models with the sterndrive seawater inlet blocked supply water to the sterndrive and to the engine See Alternative Water Pickups 3 On models using the sterndrive seawater inlet and a through hull or through transom alternative water pickup supply water to only the sterndrive by taking the following steps to block or disconnect ...

Page 117: ...se from the seawater pump and plug the hose to prevent water from siphoning into the engine 16 Tag the ignition switch with an appropriate tag requiring the seawater inlet hose to be reconnected prior to operating engine Alternative Water Pickups IMPORTANT Two water sources are needed for this procedure NOTE Flushing is needed only for salty brackish mineral laden or polluted water applications Fl...

Page 118: ... the engine is operating in the normal range 11 Operate engine with sterndrive in neutral for about 10 minutes or until discharge water is clear 12 Slowly return throttle to idle speed position 13 Stop engine 14 Shut off the water and remove flushing attachments 15 If the boat is out of the water Install the water inlet hose to the aft side of the seawater pump Tighten the hose clamp securely 16 I...

Page 119: ...ater inlet hoses are plugged at both ends 1 Remove the boat from the water 2 Close the seacock if equipped For visual clarity the secock shown is not installed a Hose fitting to engine b Seacock c Handle closed position d To water source pickup attachment 3 If equipped with an alternative water pickup and not equipped with a seacock disconnect the water hose from the alternative water pickup and p...

Page 120: ...he sterndrive for 10 seconds 16 Turn off the water source 17 Disconnect the quick connect fitting and water hose from the flush socket on the engine by pressing the release button on the flush socket a Quick connect fitting water hose end b Flush socket release button 18 Remove the quick connect fitting from the water hose a Quick connect fitting water hose end b Water hose 19 Retain the quick con...

Page 121: ...talled in the flush socket a Dust cover b Flush socket IMPORTANT If the unit is to be stored in the water the seacock should remain closed until time of usage If unit is to be stored out of the water open the seacock 21 Open the seacock if equipped or reconnect the alternative water inlet source prior to operating the engine a b 18490 ...

Page 122: ...Section 5 Maintenance Notes Page 114 90 8M0053363 eng NOVEMBER 2010 ...

Page 123: ...Drain System 117 Manual Single Point Drain System 118 Three Point Manual Drain System 118 Multi Point Drain MPD System 118 Air Actuated Single Point Drain System 119 Boat in the Water 119 Boat out of the Water 121 Manual Single Point Drain System 123 Boat in the Water 123 Boat out of the Water 123 Three Point Manual Drain System 124 Boat in the Water 124 Boat out of the Water 125 Multi Point Drain...

Page 124: ... Refer to the Maintenance section 4 Supply cooling water to engine Refer to the Maintenance section 5 Operate the engine long enough to bring it up to normal operating temperature and allow fuel with Mercury Quicksilver Gasoline Stabilizer to circulate through the fuel system Shut off the engine 6 Change the oil and oil filter 7 Prepare the engine and fuel system for storage See Engine and Fuel Sy...

Page 125: ...5 for proper procedure 8 Drain the engine seawater cooling system Refer to Section 5 Draining the Seawater System Draining the Seawater System CAUTION Water can enter the bilge when the drain system is open damaging the engine or causing the boat to sink Remove the boat from the water or close the seacock disconnect and plug the seawater inlet hose and ensure the bilge pump is operational before d...

Page 126: ...nual Single Point Drain System a Blue handle b Blue drain plug location Three Point Manual Drain System a Blue drain plug Multi Point Drain MPD System a Side of cylinder block b Bottom of exhaust manifolds b a b 6128 a a 6126 10226 M110050 932356 72 b a a b 6129 ...

Page 127: ... or remove and plug the water inlet hose 2 Remove the air pump from the engine 3 Ensure that the lever on top of the pump is flush with the handle horizontal 4 Install the air pump on the actuator fitting 5 Pull lever on air pump vertical to lock pump on the fitting a Actuator fitting b Green indicators c Manual release valve d Air pump e Lever locking 6 Pump air into the system until both green i...

Page 128: ...t side drain location b Starboard side drain location 9 Allow the system to drain for a minimum of five minutes Pump air as necessary to keep the green indicators extended 10 Crank the engine over slightly with the starter motor to purge any water trapped in the seawater pump Do not allow engine to start 11 Reinstall the blue drain plug in the thermostat housing or heat exchanger 12 Remove the air...

Page 129: ...er NOTE This procedure is written for the air pump that is attached to the engine However any air source can be used 1 Place the boat on a lever surface to ensure complete draining of system 2 Remove the air pump from the engine 3 Ensure that the lever on top of the pump is flush with the handle horizontal 4 Install the air pump on the actuator fitting 5 Pull lever on air pump vertical to lock pum...

Page 130: ...e drain location 8 Allow the system to drain for a minimum of five minutes Pump air as necessary to keep the green indicators extended 9 Crank the engine over slightly with starter motor to purge any water trapped in the seawater pump Do not allow engine to start 10 Remove the air pump from the air manifold and return it to the mounting bracket 11 Mercury MerCruiser recommends leaving the drain sy...

Page 131: ...If water does not drain remove the blue drain plug from the distribution housing and drain manually a Drain location orange or red b Blue drain plug 5 Allow the system to drain for a minimum of five minutes We recommend leaving the drain system open while transporting the boat or performing other maintenance 6 Reinstall the blue drain plug in the thermostat housing 7 Close the drain system by rota...

Page 132: ...end leaving the plugs out while transporting the boat or performing other maintenance to ensure that all water is drained 5 Close the drain system by rotating the blue handle clockwise until it stops or installing the blue drain plug The handle is fully seated when no red is visible Do not overtighten handle as this action will create new threads Three Point Manual Drain System Boat in the Water N...

Page 133: ...eacock if equipped or unplug and reconnect the water inlet hose prior to operating the engine Boat out of the Water NOTE Use this procedure if your engine is not equipped with an air actuated single point drain system or if the single point drain system fails 1 Place the boat on a level surface to ensure complete draining of the system 2 Remove three blue drain plugs one from the distribution hous...

Page 134: ...ing locations It may be necessary to clean out the drain holes using a stiff piece of wire Do no until the entire system is drained a Port and starboard side of cylinder block b Bottom of exhaust manifolds a Cylinder block drain plug b Exhaust manifold drain plug c Water circulating pump hose a Drain plug d Fuel cooler to thermostat housing hose a Drain plug 10226 M110050 932356 72 b a a b 6129 a ...

Page 135: ...oses a Hose clamps b Blue drain plugs 4 Crank the engine over slightly with starter motor to purge any water trapped in the seawater pickup pump Do not allow the engine to start 5 After the cooling system has been drained completely install the drain plugs reconnect hoses and tighten all hose clamps securely Draining the Sterndrive NOTE This procedure is needed only for salty brackish mineral lade...

Page 136: ...lene glycol antifreeze contains a rust inhibitor and is recommended for use in marine engines Be certain to follow the propylene glycol manufacturer s recommendations Battery Storage Whenever the battery will be stored for an extended period of time be sure the cells are full of water and the battery is fully charged and in good operating condition It should be clean and free of leaks Follow the b...

Page 137: ...ion 6 Storage 90 8M0053363 eng NOVEMBER 2010 Page 129 6 Carefully inspect the engine for fuel oil fluid water and exhaust leaks 7 Inspect the steering system shift and throttle control for proper operation ...

Page 138: ...Section 6 Storage Notes Page 130 90 8M0053363 eng NOVEMBER 2010 ...

Page 139: ... Crank Engine Or Cranks Slow 132 Engine Will Not Start or Is Hard to Start 132 Poor Performance 133 Engine Runs Rough Misses or Backfires 133 Excessive Engine Temperature 133 Insufficient Engine Temperature 133 Low Engine Oil Pressure 134 Battery Will Not Recharge 134 Joystick 134 Electronic Remote Controls 134 Steering System 135 Power Trim Does Not Operate Motor Does Not Operate 135 Power Trim D...

Page 140: ...ions of problems The system will respond to a problem by emitting a continuous beep and or reducing engine power in order to provide engine protection If Guardian System has been activated reduce throttle speed The horn will turn off when throttle speed is within the allowable limit Consult an authorized Mercury MerCruiser dealer for assistance Troubleshooting Charts Starter Motor Will Not Crank E...

Page 141: ... lines or blow out lines with compressed air to remove obstruction Flame Arrestor dirty Clean Flame Arrestor Faulty ignition system component Service ignition system Idle speed too low Have EFI system checked by an authorized Mercury MerCruiser dealer EFI System fault Have EFI System checked by an authorized Mercury MerCruiser dealer Excessive Engine Temperature Possible Cause Remedy Water inlet o...

Page 142: ...ing Start the engine or engines Response to joystick input is erratic or the joystick operates independent of input Ensure there are no radios or other sources of electronic or magnetic interference near the joystick The joystick does not function properly and a fault code is set Check VesselView for Guardian fault codes that indicate reduced engine power If found have the system checked by your a...

Page 143: ...Multiple helm boats only Steering System Symptom Remedy The steering wheel steers the boat but operates without resistance The starboard key switch is tuned off Turn on the key Check and start the starboard engine Check if the starboard harness circuit breaker has tripped Reset the circuit breaker if tripped Steering wheel does not steer the boat Reduce speed and change to joystick for directional...

Page 144: ...136 90 8M0053363 eng NOVEMBER 2010 Power Trim Does Not Operate Motor Operates but Sterndrive Unit Does Not Move Possible Cause Remedy Trim pump oil level low Fill pump with oil Drive unit binding in gimbal ring Check for obstruction ...

Page 145: ... Repair Service 138 Service Away From Home 138 Stolen Power Package 138 Attention Required after Submersion 138 Replacement Service Parts 138 Parts and Accessories Inquiries 138 Resolving a Problem 138 Mercury Marine Service Offices 139 Ordering Literature 139 United States and Canada 139 Outside the United States and Canada 140 Dealer Checklist and Customer Orientation 140 8 ...

Page 146: ...e for most of their life They are also expected to operate in both fresh and saltwater environments These conditions require numerous special parts Exercise care when replacing marine engine parts because specifications are different from those of the standard automotive engine For example one of the most important special replacement parts is the cylinder head gasket Marine engines cannot use ste...

Page 147: ...4 Australia 32 87 32 32 11 32 87 31 19 65 Marine Power Europe Inc Parc Industriel de Petit Rechain B 4800 Verviers Belgium 954 744 3500 954 744 3535 Mercury Marine Latin America Caribbean 11650 Interchange Circle North Miramar FL 33025 U S A 81 53 423 2500 81 53 423 2510 Mercury Marine Japan 283 1 Anshin cho Hamamatsu Shizuoka 435 0005 Japan 65 6546 6160 65 6546 7789 Mercury Marine Singapore 72 Lo...

Page 148: ...sm Inspect the VesselView if equipped Inspect the Axius trackpad if equipped Wet Test Dealer Confirm vessel personality list Ensure the steering wheel returns to center position during key ON of starboard engine Perform IMU compass calibration and zero heading correction Maneuver the boat to port by moving the joystick to full port Ensure undesirable movement can be corrected by minimal operator j...

Page 149: ...d inputting slight forward and reverse inputs Repeat going starboard Enable docking mode to demonstrate reduced throttle response for joystick maneuvers Upgrades Customer Dealer Demonstrate methods to enable and disable Auto Heading if equipped Demonstrate methods to enable and disable Skyhook if equipped Demonstrate methods to enable and disable AutoPilot Waypoint Sequencing if equipped Steering ...

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MerCruiser Axius 350, Instruction Manual

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