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Mitsubishi S16U - User Manual

Mitsubishi S16U
106 pages
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Printed in Japan
Pub.No.
Pub.No.
OPERATION &
OPERATION&MAINTENANCE MANUAL
MAINTENANCE MANUAL
NOTE
The operator and supervisor are requested to read this
Operation and Maintenance Manual carefully before
operating the engine or conducting inspection and
maintenance.
Never operate the engine or conduct maintenance work
without completely understanding this manual.
October 2003
October 2003
99080-20120
99080-20120

Table of Contents

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Mitsubishi S16U Specifications

General IconGeneral
Engine ModelS16U
Engine TypeDiesel
Fuel TypeDiesel
Cooling SystemWater-cooled
Fuel SystemDirect Injection
Engine Cycle4-stroke
AspirationTurbocharged

Summary

INTRODUCTION

Limited Warranty

Manufacturer's warranty terms and conditions for engine parts and workmanship.

Important Information

Key safety guidelines, manual usage, copyright, and contact information.

Warnings

Explanation of warning classifications and methods used in the manual.

Explanation of Terms

Definitions of abbreviations, standards, and units of measurement used in the manual.

Chapter 1 BASIC SAFETY PRECAUTIONS

Warning Fire and Explosion

Safety precautions to prevent fires and explosions from fuel, oil, and electrical components.

Warning Stay Clear of All Rotating and Moving Parts

Guidance on avoiding entanglement with moving engine parts during operation and maintenance.

Warning Be Careful of Burns

Instructions to avoid burns from hot engine surfaces and coolant.

Warning Be Careful of Exhaust Fume Poisoning

Safety measures for operating the engine in well-ventilated areas to prevent fume poisoning.

Warning Be Careful When Lifting Engine

Safe procedures for lifting and handling the engine to prevent injury.

Caution Be Careful of Handling Fuel, Engine Oil and LLC

Guidelines for safe handling, storage, and disposal of fuel, engine oil, and coolant.

Caution Service Battery

Safety procedures for handling and servicing the engine battery.

Caution When Abnormality Occurs

Actions to take when the engine experiences overheating, stops unexpectedly, or has low oil pressure.

Caution Other Cautions

General advice on engine modification, seals, inspections, break-in, operation limits, and maintenance.

Warning labels

Visual examples and explanations of important warning labels affixed to the engine.

Chapter 2 NAME OF PARTS

Engine External Diagrams

Illustrations showing the external views and labeled parts of the S12U/S16U engines.

Equipment and Instrument

Description of starting and shutdown devices like switches and levers.

Instruments

Explanation of various gauges and indicators that monitor engine conditions.

Engine Protection Devices

Overview of alarms and devices designed to protect the engine from abnormalities.

Chapter 3 OPERATION

Preparation for Operation of New or Overhauled Engine

Initial inspection steps before operating a new or overhauled engine.

Bleeding Fuel System

Procedures for removing air from the fuel filters and feed pipe.

Lubricating System

Instructions for pouring engine oil and circulating it through the system.

Cooling System

Steps for pouring coolant and ensuring proper circulation and level.

Electrical Systems

Procedures for checking the engine's battery, including electrolyte level and connections.

Test Operation

Detailed steps for conducting a test run to verify engine performance under various loads.

Normal Engine Operation

Procedures for starting and operating the engine under normal conditions.

Starting

Methods and precautions for starting the engine.

Stopping

Procedures for safely stopping the engine after operation.

Chapter 4 MAINTENANCE

Cautions Concerning Maintenance

General safety rules and precautions before performing maintenance on the engine.

Fuel

Information on recommended fuel types and guidelines for handling fuel.

Engine Oil

Recommendations for engine oil type, viscosity, and handling procedures.

Coolant

Details on recommended coolant quality standards and water requirements.

Cautions in Operating Engine in Cold Weather Season

Specific precautions for operating the engine in low temperatures, covering fuel, oil, coolant, and battery.

Chapter 5 PERIODIC MAINTENANCE CHART

How to Use Periodic Maintenance Chart

Guidance on interpreting and using the periodic maintenance schedules.

Periodic Maintenance Chart for Engine in Regular Use

Scheduled maintenance tasks for engines used in regular operation.

Periodic Maintenance Chart for Emergency Engine

Scheduled maintenance tasks for engines used for emergency power generation.

Periodic Maintenance Chart for General-Purpose Power Supply Engine

Scheduled maintenance tasks for engines used for general power supply applications.

Chapter 6 PERIODIC INSPECTION AND MAINTENANCE PROCEDURES

Fuel System

Procedures for draining water from fuel filters and cleaning filter elements.

Lubricating System

Instructions for changing engine oil filters and bypass oil filters.

Cooling System

Procedures for checking LLC concentration, draining coolant, and cleaning the system.

Chapter 7 LONG-TERM STORAGE

Storing Engine in Non-Operable Condition for More Than 3 Months

Steps for preparing and storing the engine in a non-operable state for extended periods.

Storing Engine in Operable Condition for More Than 3 Months

Procedures for maintaining engine operability during long-term storage.

Chapter 8 TRANSPORTATION

Lifting Engine Carefully

Safe methods and precautions for lifting and transporting the engine.

Chapter 9 TROUBLESHOOTING

General Precautions

Important advice and safety measures before starting troubleshooting.

Conditions Required for Proper Engine Operation

Table outlining essential conditions for optimal engine performance.

Troubleshooting Engine Turns, But It Does Not Start

Diagnosing and resolving issues when the engine cranks but fails to start.

Engine Does Not Turn

Troubleshooting steps for when the engine fails to crank or turn.

Engine Output is Low

Identifying causes and remedies for reduced engine power and speed.

Engine Knocks

Diagnosing and correcting causes of engine knocking and related exhaust issues.

Malfunction of Lubricating System

Troubleshooting common problems related to engine oil pressure and lubrication.

Chapter 10 MAIN SPECIFICATIONS

Main Specifications

Table detailing key technical specifications for S12U and S16U engine models.

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