MerCruiser Axius SeaCore 377 Engine Manuals

Manuals and User Guides for MerCruiser Axius SeaCore 377 Engine. We have 1 MerCruiser Axius SeaCore 377 Engine manual available for free PDF download: Instruction Manual

MerCruiser Axius SeaCore 377 Instruction Manual

MerCruiser Axius SeaCore 377 Instruction Manual (149 pages)

with Emissions Control

Brand: MerCruiser | Category: Engine | Size: 11 MB

Table of Contents

Read this Manual Thoroughly
2
Table of Contents
5
Section 1 - Warranty

9
Section 3 - on the Water

44
- Boats Having an Open Front Deck
  45
- Boats with Front-Mounted, Raised Pedestal Fishing Seats
  45
- Wave and Wake Jumping
  45
- Impact with Underwater Hazards
  46
  - Drive Unit Impact Protection
    46
  - Trailering the Boat
    46
- Conditions Affecting Operation
  46
  - Weight Distribution (Passengers and Gear) Inside the Boat
    46
  - The Bottom of the Boat
    47
  - Cavitation
    47
  - Ventilation
    47
  - Elevation and Climate
    47
  - Propeller Selection
    47
- Getting Started
  48
  - 20-Hour Break-In Period
    48
  - Launching and Boat Operation
    48
    
    Operation Chart
    48
    
    Starting and Stopping the Engine
    49
    
    Starting the Engine
    49
    
    Stopping the Engine
    49
    
    Maneuvering with the Joystick
    50
    
    Throttle Only Operation
    50
    
    To Maneuver the Boat in Forward
    50
    
    To Spin the Boat at Low Speeds
    50
    
    To Steer the Boat in Tight Turns at Low Speeds
    50
    
    Traditional Maneuvering with Steering and Thrust
    50
    
    Special Digital Throttle and Shift (DTS) Features
    54
    
    Dock
    55
    
    Throttle Only
    56
    
    Single) Lever
    57
    
    Sync
    57
    
    Axius Plus CAN Control Pad (if Equipped)
    58
    
    General Information
    58
    
    Heading Adjustment and Override
    58
    
    Power Icon
    58
    
    Standby
    58
    
    Standby and Active Lights
    58
    
    Auto Heading
    59
    
    Changing Vesselview Mode Display Times
    61
    
    Disengage Auto Heading
    61
    
    To Resume to a Heading
    61
    
    After Break-In Period
    62
    
    Cruise Control
    62
    
    End of First Season Checkup
    62
- Axius Premier (if Equipped)
  62
  - Axius Premier Touchpad
    62
    
    General Information
    62
    
    Heading Adjustment and Override
    62
    
    Standby
    62
    
    Standby and Active Lights
    62
    
    Auto Heading
    63
    
    Power Icon
    63
    
    Disengage Auto Heading
    66
    
    Changing Vesselview Mode Display Times
    67
    
    Skyhook
    67
    
    To Resume to a Heading
    67
    
    Engaging (Activating) Skyhook
    68
    
    The Skyhook Screen in Vesselview
    70
    
    Auto Heading
    71
    
    Disengaging (Deactivating) Skyhook
    71
    
    Engaging Auto Heading
    71
    
    Course Adjustment Using the Turn Buttons or Joystick
    72
    
    Course Adjustment Using the Turn Buttons or Joystick 64 to Resume a Heading
    73
    
    Disengaging Auto Heading
    73
    
    To Resume a Heading
    73
    
    Engaging Track Waypoint Mode
    75
    
    Response Button
    75
    
    Track Waypoint
    75
    
    Disengaging Track Waypoint Mode
    76
    
    Acknowledging a Turn During a Waypoint Arrival
    77
    
    Auto Heading Button in Track Waypoint Mode
    77
    
    Turn Buttons or Joystick in Track Waypoint Mode
    77
    
    Waypoint Sequence
    78
    
    Cruise Control
    80
- Contingent Operations
  80
  - Port Engine-Only Operation
    80
  - Axius Shift Override-Emergency Procedure
    81
Section 4 - Specifications

83
- Fuel Requirements
  84
- Engine Oil
  84
- Engine Specifications
  85
- Engine Specifications
  86
  - Axius 350 MAG, Axius Seacore 350 MAG with Emissions Control
    86
  - Axius 377 MAG, Axius Seacore 377 MAG with Emissions Control
    87
- Fluid Specifications
  87
  - Engine
    88
  - Sterndrive-Bravo
    88
  - Steering
    88
  - Power Trim
    88
- Owner/Operator Responsibilities
  90
- Dealer Responsibilities
  90
- Maintenance
  90
- Do-It-Yourself Maintenance Suggestions
  90
Section 5 - Maintenance

90
- Inspection
  91
- Maintenance Schedule-Sterndrive Models
  91
  - Routine Maintenance
    91
  - Scheduled Maintenance
    91
- Maintenance Log
  92
- Engine Oil
  93
  - Checking
    93
  - Filling
    93
  - Changing Oil and Filter
    94
    
    Easy Engine Oil Drain System
    94
    
    Changing Filter
    95
    
    Engine Oil Drain Pump
    95
- Steering Fluid
  96
  - Checking and Filling Steering Fluid
    96
  - Changing Steering Fluid
    96
- Engine Coolant
  96
  - Checking
    96
  - Filling
    97
  - Changing
    98
- Sterndrive Gear Lube
  98
  - Checking
    98
  - Filling
    98
  - Changing
    99
- Power Trim Fluid
  100
  - Checking
    100
  - Filling
    100
  - Changing
    101
- Battery
  101
  - Multiple EFI Engine Battery Precautions
    101
- Cleaning the Flame Arrestor
  101
- Positive Crankcase Ventilation Valve (PCV)
  102
  - Inspection
    102
  - Replacement
    103
- Water-Separating Fuel Filter (MPI)
  104
  - Water-Separating Fuel Filter
    104
  - GEN III Models
    104
    
    Removal
    104
    
    Installation
    105
- Lubrication
  105
- Propellers
  107
  - Propeller Repair
    107
  - Bravo Three Propeller Removal
    107
  - Bravo Three Propeller Installation
    108
  - Serpentine Drive Belt
    109
    
    Checking
    109
    
    Replacing or Adjusting
    110
    
    Anodes and Mercathode System Locations
    111
    
    Corrosion Information
    111
    
    Corrosion Protection
    111
    
    Maintaining Ground Circuit Continuity
    111
    
    Mercathode System Battery Requirements
    111
    
    Checking the Quicksilver Mercathode System
    112
    
    Anti-Fouling Paint
    113
    
    Boat Bottom Care
    113
    
    Power Package Exterior Surfaces
    113
    
    Sterndrive Surface Care
    114
    
    Flushing Attachments
    115
    
    Flushing the Power Package
    115
    
    General Information
    115
    
    Sterndrive Water Pickups
    116
    
    Alternative Water Pickups
    117
    
    Models Using the Sterndrive Water Pickup
    118
    
    Seacore Power Package Flushing Procedure
    118
- Cold Weather or Extended Storage
  124
  - Preparing Power Package for Storage
    124
    
    Engine and Fuel System Preparation
    124
- Draining the Seawater System
  125
  - Drain System Identification
    125
    
    Air Actuated Single Point Drain System
    125
    
    Manual Single Point Drain System
    126
    
    Multi-Point Drain (MPD) System
    126
    
    Section 6 - Storage
    126
    
    Three Point Manual Drain System
    126
    
    Air Actuated Single Point Drain System
    127
    
    Boat in the Water
    127
    
    Boat out of the Water
    129
    
    Boat in the Water
    131
    
    Boat out of the Water
    131
    
    Manual Single-Point Drain System
    131
    
    Boat in the Water
    132
    
    Three-Point Manual Drain System
    132
    
    Boat out of the Water
    133
    
    Multi-Point Drain (MPD) System
    134
    
    Draining the Sterndrive
    135
    
    Battery Storage
    136
    
    Recommissioning the Power Package
    136
- Check Vesselview First
  140
- Diagnosing EFI Problems
  140
- Diagnosing DTS Problems
  140
- Engine Guardian System
  140
- Troubleshooting Charts
  140
  - Starter Motor will Not Crank Engine, or Cranks Slow
    140
  - Engine will Not Start or Is Hard to Start
    140
  - Poor Performance
    141
  - Engine Runs Rough, Misses, or Backfires
    141
  - Excessive Engine Temperature
    141
    
    Insufficient Engine Temperature
    141
    
    Section 7 - Troubleshooting
    141
    
    Battery will Not Recharge
    142
    
    Electronic Remote Controls
    142
    
    Joystick
    142
    
    Low Engine Oil Pressure
    142
    
    Power Trim Does Not Operate (Motor Does Not Operate)
    143
    
    Steering System
    143
    
    Power Trim Does Not Operate
    144
    
    Power Trim Does Not Operate (Motor Operates but Sterndrive Unit Does Not Move)
    144
    
    Sterndrive Unit Does Not Move)
    144
    
    Section 8 - Customer Assistance Information
    145
- Owner Service Assistance
  146
  - Local Repair Service
    146
  - Service Away from Home
    146
  - Stolen Power Package
    146
  - Attention Required after Submersion
    146
    
    Parts and Accessories Inquiries
    146
    
    Replacement Service Parts
    146
    
    Resolving a Problem
    146
    
    Mercury Marine Service Offices
    147
- Ordering Literature
  147
  - United States and Canada
    147
  - Outside the United States and Canada
    148
- Dealer Checklist and Customer Orientation
  148

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