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MTU 12 V 4000 T94L User Manual

MTU 12 V 4000 T94L
197 pages
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Operating Instructions
Diesel engine
12 V 4000 T94, T94L
MS150096/01E

Table of Contents

Questions and Answers:

MTU 12 V 4000 T94L Specifications

General IconGeneral
Engine TypeDiesel
ConfigurationV12
Cylinders12
Bore170 mm
Cooling SystemLiquid-cooled
Power Output4000 HP
AspirationTurbocharged
Rated Power4000 HP
Fuel SystemCommon Rail

Summary

1 Safety

1.1 General conditions

General safety rules and warnings for engine use, including correct use and modifications.

1.2 Personnel and organizational requirements

Requirements for qualified personnel and organizational measures for safe operation.

1.3 Transport

Safety regulations and procedures for transporting the engine and gensets.

1.4 Crankshaft transport locking device

Instructions for installing and removing the crankshaft transport locking device.

1.5 Safety regulations for startup and operation

Safety precautions to be observed before and during engine startup and operation.

1.6 Explosion hazard when removing inspection port cover on engine

Warning about explosion hazard due to oil vapors when opening the crankcase.

1.7 Safety regulations for maintenance and repair work

General safety rules and precautions for performing maintenance and repair tasks.

1.8 Auxiliary materials, fluids and lubricants, fire prevention and environmental protection

Safety guidelines for handling materials, fire prevention, and environmental protection.

1.9 Conventions for safety instructions in the text

Explanation of safety warning symbols (DANGER, WARNING, CAUTION, NOTICE) and conventions.

2 General Information

2.1 Engine side and cylinder designations

Explanation of engine side (KS/KGS) and cylinder numbering conventions.

2.2 Engine layout

Illustration and description of major engine components and their layout.

2.3 Sensors, actuators and injectors – Overview

Identification and overview of key sensors, actuators, and injectors on the engine.

3 Technical Data

3.1 Engine data 12V 4000 T94, T94L

Detailed technical specifications, reference conditions, and power-related data for the engine.

3.2 Firing order

Specifies the firing order sequence for the 12V engine configuration.

3.3 Main engine dimensions

Provides the physical dimensions (Length, Width, Height) of the engine.

4 Operation

4.1 Putting the engine into operation after extended out-of-service periods (>3 months)

Procedure for restarting an engine that has been idle for more than three months.

4.2 Putting the engine into operation after scheduled out-of-service-period

Procedure for restarting an engine after a scheduled shutdown.

4.3 Operational checks

Routine checks to be performed on the engine during operation for safety and performance.

4.4 Starting the engine in manual mode

Step-by-step guide for starting the engine manually under normal conditions.

4.5 Stopping the engine in manual mode

Step-by-step guide for stopping the engine manually, including idle period.

4.6 After stopping the engine

Actions to be taken after the engine has been stopped, including coolant draining.

4.7 Plant cleaning

Instructions and safety precautions for cleaning the engine plant and its components.

5 Maintenance

5.1 Maintenance task reference table [QL1]

A table linking maintenance tasks to specific procedures and corresponding page numbers.

6 Troubleshooting

6.1 Troubleshooting

General troubleshooting guide for common engine problems and their solutions.

6.2 Fault messages on the SAM display (optional)

Explanation of fault messages displayed on the SAM system and potential causes.

6.3 Fault messages of Engine Control Unit ECU 9 for Series 4000

Lists fault messages from the ECU and their corresponding corrective actions.

7 Task Description

7.1 Engine

Procedures related to the engine itself, including barring and test runs.

7.2 Cylinder Liner

Procedures for endoscopic examination and evaluation of cylinder liner condition.

7.3 Valve Drive

Maintenance procedures for the valve drive system, including lubrication and adjustment.

7.4 Injection Pump / HP Pump

Procedures related to the high-pressure fuel pump, including filling with oil.

7.5 Injection Valve / Injector

Procedures for injector replacement, removal, and installation.

7.6 Fuel System

Maintenance and procedures for the fuel system, including venting.

7.7 Fuel Filter

Procedures for replacing the fuel filter and auxiliary fuel filter.

7.8 Exhaust Turbocharger

Procedures for checking the turbocharger turbine housing for cracks.

7.9 Charge-Air Cooling

Procedures for performing a leak check on the intercooler.

7.10 Air Intake

Procedures for functional check of emergency air-shutoff flaps.

7.11 Exhaust Gas Recirculation

Overview and operational check of exhaust flaps and actuators.

7.12 Starting Equipment

Procedure for checking the condition of the starter.

7.13 Lube Oil System, Lube Oil Circuit

Procedures for checking engine oil level and changing engine oil.

7.14 Oil Filtration / Cooling

Procedures for replacing the engine oil filter and centrifugal oil filter.

7.15 Coolant Circuit, General, High-Temperature Circuit

Procedures for checking, draining, and filling engine coolant.

7.16 Low-Temperature Circuit

Procedures for checking, changing, draining, and filling charge-air coolant.

7.17 Belt Drive

Procedure for checking the condition of the drive belts.

7.18 Battery-Charging Generator

Procedures for checking and adjusting the battery-charging generator drive belt.

7.19 Fan Drive

Procedures for checking, adjusting, and replacing the fan drive belt.

7.20 Engine Mounting / Support

Procedures for checking the engine mounting and securing screws.

7.21 Wiring (General) for Engine/Gearbox/Unit

Procedures for checking engine wiring, connectors, and cable ties.

7.22 Accessories for (Electronic) Engine Governor / Control System

Procedures for resetting CDC parameters and cleaning governor components.

8 Appendix A

8.1 Abbreviations

List of abbreviations used in the manual and their meanings.

9 Appendix B

9.1 Special Tools

List of special tools required for maintenance, including part numbers and usage.

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