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Mitsubishi S4S-DT User Manual

Mitsubishi S4S-DT
93 pages
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July 2009
Pub. No. 99610-29120
The operator and supervisor are requested to read this Oper-
ation and Maintenance Manual carefully before operating the
engine or conducting inspection and maintenance.
Never operate the engine or conduct maintenance work with-
out completely understanding this manual.
OPERATION &
MAINTENANCE MANUAL
199610-2912 0

Table of Contents

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Mitsubishi S4S-DT Specifications

General IconGeneral
Engine ModelS4S-DT
AspirationTurbocharged
Number of Cylinders4
Fuel SystemDirect injection
Cooling SystemWater-cooled
Starting SystemElectric starter
Lubrication SystemForced lubrication
Engine Type4-cycle, water-cooled diesel engine

Summary

Limited Warranty

Emission Warranty

California Emission Control Warranty

Warranty Coverage Details

Important Information and Safety

Warning Indication System

Chapter 1: Basic Safety Precautions

Fire and Explosion Hazards

Covers precautions to prevent fires and explosions related to fuel, oil, and electrical systems.

Rotating and Moving Parts Safety

Ensures safety around moving engine components to prevent entanglement and injury.

Exhaust Fume Poisoning Prevention

Details safe operation practices to avoid carbon monoxide poisoning from exhaust fumes.

Fall Prevention

Provides safety guidelines for working at heights or on the engine to prevent falls.

Hearing Protection

Recommends wearing ear protection due to high noise levels generated by the engine.

Burn Hazards

Warns about touching hot engine parts and handling hot fluids to prevent burns.

Fuel, Oil, and LLC Handling Precautions

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

Handling Abnormal Occurrences

Procedures to follow when the engine exhibits abnormal behavior or fails.

Battery Service Safety

Safe practices for handling and servicing the engine battery, including explosion risks.

General Operational Cautions

Covers engine modification, work safety rules, protective gear, and seal integrity.

Chapter 3: Operation

Pre-Operation Preparations

Checks and inspections required before starting the engine.

Engine External Inspection

Visual inspection of the engine's exterior for leaks, cleanliness, and proper valve/plug status.

Engine Starting Procedure

Step-by-step guide for safely starting the engine.

Engine Operation

Guidelines and cautions for operating the engine safely and efficiently.

Operating Cautions

Key safety warnings and advice during engine operation.

Engine Stopping Procedure

Correct procedures for stopping the engine to prevent damage.

Chapter 8: Periodic Inspection and Maintenance Procedures

Fuel System Maintenance

Procedures for maintaining the fuel system, including draining water.

Fuel System Air Bleeding (In-line)

How to bleed air from the fuel system for in-line injection pumps.

Fuel System Air Bleeding (Distributor)

How to bleed air from the fuel system for distributor injection pumps.

Fuel Filter Replacement (In-line)

Step-by-step guide for replacing the fuel filter on in-line injection systems.

Fuel Filter Replacement (Distributor)

Step-by-step guide for replacing the fuel filter on distributor injection systems.

Lubricating System Maintenance

Procedures for maintaining the engine's lubricating system, including oil and filter changes.

Engine Oil and Filter Replacement

Instructions for changing the engine oil and oil filter.

Cooling System Maintenance

Procedures for maintaining the engine's cooling system, including coolant checks and changes.

Chapter 11: Troubleshooting

Starter Issues: No Crank or Slow Crank

Troubleshooting steps for engine start failures related to starter problems.

Engine Start Failure (After Cranking)

Diagnosing and resolving issues when the starter cranks but the engine won't start.

Engine Output Decrease

Troubleshooting causes and remedies for reduced engine power.

White or Blue Exhaust Smoke

Diagnosing and resolving issues causing white or blue exhaust smoke.

Black or Charcoal Exhaust Smoke

Troubleshooting causes and remedies for black or charcoal exhaust smoke.

High Fuel Consumption

Identifying and fixing causes of excessive fuel consumption.

High Engine Oil Consumption

Troubleshooting and resolving issues related to high engine oil consumption.

Engine Overheating

Diagnosing and addressing the causes of engine overheating.

Low Engine Oil Pressure

Troubleshooting steps for low engine oil pressure warnings.

Chapter 4: Fuel

Recommended Fuel

Specifies the recommended type of diesel fuel and its properties.

Chapter 5: Engine Oil

Recommended Engine Oil

Specifies the recommended engine oil type and API service classification.

Chapter 6: Coolant

Long Life Coolant (LLC) Usage

Guidelines for using Long Life Coolant (LLC) and recommended types.

Chapter 7: Maintenance Schedule

Maintenance Schedule Table

A table outlining service intervals and items for periodic maintenance.

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