Mitsubishi S6S User Manual

11-3
Chapter 11 TROUBLESHOOTING
Output decrease
Table 11-3 Output decrease
Cause Remedies
Fuel system
Improper fuel property Use appropriate fuel. (Refer to P4-1)
Clogged fuel filter
Inspect and replace fuel filter. (Refer to P8-6) or
(Refer to P8-7)
Gauze filter - Clean
Faulty fuel feed pump Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Faulty fuel injection pump Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Faulty fuel injection nozzle Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Faulty fuel injection timing Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Improper amount of injected fuel
Check fuel injection pump rack stroke.
Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Cooling
system
Overheat, overcooled
Check fan and radiator.
Check control system.
Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Inlet and
exhaust
systems
Insufficient amount of air
Check turbocharger. (Refer to P8-14)
Clean, inspect and replace pre-cleaner. (Refer to P8-15)
Clean, inspect and replace air cleaner element.
(Refer to P8-16)
Check intake air pressure and leakage of intake air.
Check intake air temperature and ventilation device.
Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Increase resistance of exhaust air.
Check turbocharger. (Refer to P8-14)
Check exhaust pipes and silencer.
Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Basic engine
Low compression pressure Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Faulty valve timing Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Rapid wear of sliding parts Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Control
system
Faulty governor control
Consult a dealer of Mitsubishi Heavy Industries, Ltd.

Mitsubishi S6S Specifications

General

Brand	Mitsubishi
Model	S6S
Category	Engine
Language	English

Summary

Introduction

Foreword

Warranty Information

Details limited, emission, and California warranty terms and conditions for engine parts.

Chapter 1 Basic Safety Precautions

Fire, Explosion, and Moving Parts Safety

Safety measures to prevent fire, explosions, and injuries from moving engine components.

Health, Handling, and Battery Safety

Precautions for fumes, noise, burns, fuel, oil, coolant, battery handling, and abnormalities.

Chapter 2 Name of Parts

Chapter 3 Operation

Preparations, Starting, and Operation

Pre-operation checks, starting procedures, and safe engine operation guidelines.

Chapter 5 Engine Oil

Engine Oil Selection, Handling, and Performance

Chapter 7 Maintenance Schedule

Maintenance Schedule Overview

Chapter 8 Periodic Inspection and Maintenance Procedures

Chapter 11 Troubleshooting

Common Engine Problems and Solutions

Troubleshooting tables for starter issues, no start, output decrease, smoke, consumption, and overheating.