MTU 12 V 2000 M72 User Manual

Operating Instructions
Diesel Engine
12 V 2000 M72
16 V 2000 M72
M015650/05E

MTU 12 V 2000 M72 Specifications

General

Brand	MTU
Model	12 V 2000 M72
Category	Engine
Language	English

Summary

Safety

Important requirements for all products

Covers essential requirements for all products, including nameplate information and general safety precautions.

Personnel and organizational requirements

Details organizational measures, personnel requirements, and personal protective equipment for safe operation.

Transport

Provides instructions and precautions for safely transporting the engine and setting it down.

Safety requirements for startup and operation

Outlines safety measures for initial startup and ongoing operation, including emergency stops.

Safety requirements for maintenance and repair work

Details safety precautions before, during, and after maintenance and repair activities.

Fire prevention and environmental protection, fluids and lubricants, auxiliary materials

Covers fire prevention, environmental protection, and safe handling of fluids and lubricants.

Standards for safety notices in the text

Explains the meaning and application of DANGER, WARNING, CAUTION, and NOTICE safety symbols.

General Information

Tightening specifications for screws, nuts and bolts

Provides detailed tightening torques for various thread sizes and strength classes according to standards.

Engine side and cylinder designations

Explains the standard designation of engine sides and cylinders, and component numbering.

Product description

Describes the engine's key systems: fuel, turbocharging, lube oil, cooling, and electronic systems.

Engine overview

Illustrates and lists the main components of the engine, including their identification numbers.

Sensors and actuators – Overview

Provides plan views of the engine showing sensor locations and their monitored parameters.

Technical Data

12V 2000 M72 engine data: Engine-mounted heat exchanger, EPA stage 2

Presents technical specifications for the 12V 2000 M72 engine with engine-mounted heat exchanger.

12V 2000 M72 engine data: Separate heat exchanger, EPA stage 2

Lists technical specifications for the 12V 2000 M72 engine with separate heat exchanger.

16V 2000 M72 engine data: Engine mounted heat exchanger, EPA stage 2

Provides technical specifications for the 16V 2000 M72 engine with engine-mounted heat exchanger.

16 V 2000 M72 engine data: Separate heat exchanger, EPA stage 2

Details technical specifications for the 16V 2000 M72 engine with separate heat exchanger.

Engine – Main dimensions

Shows the main dimensions (length, width, height) for the 12V and 16V 2000 M72 engines.

Operation

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

Step-by-step guide for putting the engine back into operation after long periods of inactivity.

Engine – Putting into operation after scheduled out-of-service-period

Procedures for bringing the engine into operation after a planned shutdown.

Tasks after extended out-of-service periods (>3 weeks)

Specific tasks to perform after the engine has been out of service for more than three weeks.

Checks prior to start-up

Essential checks to perform before starting the engine or system.

Fuel treatment system – Putting into operation

Instructions for putting the fuel treatment system into operation, including initial checks.

Operational checks

Details routine operational checks for the engine under various load conditions.

Starting the engine

Describes the procedures for starting the engine from different control points.

Engine – Shutdown

Provides guidance on the correct procedure for shutting down the engine.

Emergency engine stop

Explains how to initiate an emergency engine stop and associated risks.

After stopping the engine

Lists actions to take after the engine has been stopped, especially regarding coolant and system preparation.

Fuel treatment system – Shutdown

Details the procedure for safely shutting down the fuel treatment system.

Plant – Cleaning

Provides instructions for cleaning the plant, including special tools and safety precautions.

Maintenance

Maintenance task reference table [QL1]

A table listing maintenance tasks with corresponding task numbers and page references.

Troubleshooting

Fuel treatment system – Troubleshooting

Guides users through troubleshooting common issues with the fuel treatment system.

Troubleshooting

Provides solutions for common engine problems such as not starting or uneven running.

Task Description

SOLAS

Information related to SOLAS shielding, including installation and locations.

Engine – Barring manually

Step-by-step instructions for manually barring the engine using the barring gear.

Engine – Cranking on starting system

Procedure for cranking the engine using the starting system.

Cylinder Liner

Details on performing endoscopic examination of cylinder liners and interpreting findings.

Crankcase Breather

Covers cleaning the oil pre-separator element and replacing the oil separator element.

Valve Drive

Instructions for checking and adjusting valve clearance.

Injection Valve / Injector

Procedures for replacing, removing, and installing fuel injectors.

Fuel System

Details on venting the fuel system.

Fuel Filter

Instructions for replacing easy-change fuel filters, with and without the engine running.

Fuel prefilter – Flushing

Guidance on flushing fuel prefilters.

Fuel prefilter – Filter element replacement

Procedure for replacing the filter element in the fuel prefilter.

Charge-Air Cooling

Instructions for checking the intercooler condensate drain line for obstructions.

Air Filter

Covers replacement and removal/installation of the air filter.

Air Intake

Optional check of the service indicator signal ring position.

Starting Equipment

Procedure for checking the starter condition.

Lube Oil System, Lube Oil Circuit

Details on checking and changing the engine oil level and quantity.

Oil Filtration / Cooling

Instructions for replacing the engine oil filter and cleaning the centrifugal oil filter.

Coolant Circuit, General, High-Temperature Circuit

Covers coolant drain points, level checks, and coolant replacement procedures.

Raw Water Pump with Connections

Procedure for checking the relief bore of the raw water pump.

Belt Drive

Guidance on performing a condition check of the drive belts.

Battery-Charging Generator

Instructions for replacing the drive belt for the battery-charging generator.

Fuel Supply System

Includes checks for water drain valve, differential pressure gauge, and water level probe.

Wiring (General) for Engine/Gearbox/Unit

Procedure for checking the engine wiring, including cable connections and components.

Accessories for (Electronic) Engine Governor / Control System

Covers cleaning of engine governor, EMU, and related connectors.

Appendix A

Abbreviations

A comprehensive list of abbreviations used throughout the manual with their meanings.

MTU contact persons/service partners

Contact information for MTU's sales network, customer assistance center, and spare parts service.

Appendix B

Special Tools

Lists special tools required for various maintenance and repair tasks, with part numbers.