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OPERATOR'S MANUAL
D12-615, D12-650, D12-675, D12-715

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Summarization of Contents

Safety Information
Safety Advice for Boat Operation
Provides guidance on safe boat handling, rules, and accident prevention.
Safety Advice for Care and Maintenance
Details essential safety precautions for performing maintenance tasks.
Introduction
Engine Running-In Procedure
Instructions for the initial operation of the engine to ensure proper break-in.
Presentation
Technical Description of D12D-A MP Engine
Overview of the engine's main components and systems.
Identification Numbers
Details engine and reverse gear identification plates for service reference.
Instruments
Engine Gauges and Indicators
Explains engine gauges, ignition lock, and start/stop panel functions.
Alarm Display and Warnings
Details warning lamps for oil pressure, fuel filter, battery, and coolant temperature.
EVC Control Panel Functions
Describes activation, neutral button, sync, diagnostic, and dimmer functions.
Controls
Single Lever Control Operation
Explains how to operate the single lever for shift and speed control.
Two Lever Control Operation
Describes the operation of separate levers for shifting and engine speed.
Starting the Engine
Pre-Start Checks and Procedure
Lists checks and steps for safely starting the engine.
Operation
Reading Instruments and Alarms
How to interpret instrument readings and alarm displays during operation.
Cruising Speed and Shifting
Recommendations for cruising speed and safe shifting procedures.
Stopping the Engine
Engine Stop and Post-Stop Checks
Steps for stopping the engine and performing post-operation checks.
Cold Weather and Laying Up Procedures
Measures for cold weather protection and preparing the boat for storage.
In Case of Emergency
Starting with Auxiliary Batteries
Procedure for starting the engine using external batteries.
Fault-Tracing and Diagnostics
Guidance on identifying, reading, and erasing fault codes.
Maintenance Schedule
Scheduled Maintenance Intervals
Lists maintenance tasks based on operating hours and calendar time.
Maintenance
General Engine Inspection and Filters
Covers general inspection, crankcase ventilation, and air filter replacement.
Drive Belt Inspection and Adjustment
Procedure for checking and adjusting drive belt tension and condition.
Lubrication System
Engine Oil and Filter Service
Detailed steps for changing engine oil and filters.
Freshwater System
Coolant Service and Checks
Covers coolant mixture, filling, draining, and filter replacement.
Seawater System
Seawater System Maintenance
Details draining, anode checks, impeller, and filter service.
Fuel System
Fuel System Venting and Filter Service
Covers fuel system venting and replacement of fuel filter elements.
Electrical System
Battery Maintenance and Charging
Covers battery maintenance, connection, and safe charging procedures.
Electrical Installations and Welding
Safety precautions for electrical installations and welding on the engine.
Electrical Component Diagrams
D12D-A MP Component Identification
Diagrams and lists identifying engine electrical components.
Reverse Gear Maintenance
Reverse Gear Oil and Filter Service
Procedures for checking/filling oil, changing oil, and replacing the oil filter.
Laying Up and Launching
Storage and Retrieval Procedures
Instructions for inhibiting the engine for storage and preparing it for use.
Fault Code Register
Fault Code Interpretation and Action
Explains fault codes, their meanings, and recommended actions.
Technical Data
Engine and System Specifications
Presents performance data for engine models, lubrication, cooling, electrical, and gear systems.

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