MTU 20V4000M93L User Manual

Operating Instructions
Diesel Engine
20V4000M93x
MS150048/05E

MTU 20V4000M93L Specifications

General

Brand	MTU
Model	20V4000M93L
Category	Engine
Language	English

Summary

1 Safety

1.1 Important provisions for all products

General safety guidelines, nameplates, and emission regulations.

1.2 Correct use of all products

Defines intended use, parameters, and authorized product modifications.

1.4 Initial start-up and operation – Safety regulations

Safety rules for initial startup, ongoing operation, and emergency stops.

1.5 Assembly, maintenance, and repair work – Safety regulations

Safety guidelines for all assembly, maintenance, and repair activities.

1.6 Fire and environmental protection, fluids and lubricants

Guidelines for fire prevention, noise control, environmental protection, and material handling.

2 General Information

3 Technical Data

3.1 20V4000M93 engine data: IMO, engine-mounted heat exchanger, intercooler made of copper-based alloy

3.2 20V4000M93 engine data: EPA 2, engine-mounted heat exchanger

3.3 20V4000M93L engine data: IMO, engine-mounted heat exchanger, intercooler made of copper-based alloy

3.4 20V4000M93L engine data: EPA 2, engine-mounted heat exchanger

4 Operation

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

Preconditions and steps for putting the engine into operation after long shutdowns.

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

4.4 Re-starting the engine following an automatic safety shutdown

Procedure for restarting the engine after an automatic safety shutdown.

4.5 Starting the engine

Preconditions and points from which the engine can be started.

4.6 Operational checks

4.8 Checks prior to start-up

4.9 Fuel treatment system – Initial start-up

Overview and switching on procedures for the fuel treatment system.

4.10 Fuel treatment system – Switching on

4.11 Emergency engine stop at BlueLine automation system (control stand)

Procedure for triggering an emergency stop via the BlueLine system.

4.15 Stopping the engine from LOP

Procedure for stopping the engine from the Local Operating Panel (LOP).

4.16 Stopping the engine at the BlueLine automation system (control stand)

Procedure for stopping the engine via the BlueLine automation system.

4.18 Emergency stop from LOP

Steps for performing an emergency stop from the LOP and subsequent actions.

4.19 Fuel treatment system – Shutdown

5 Maintenance

5.1 Maintenance schedule task reference table [QL1]

Reference table for scheduled maintenance tasks and their intervals.

6 Troubleshooting

6.1 Control cabinet of fuel treatment system – Troubleshooting

Troubleshooting for water alarms, pump faults, and filter issues in the fuel treatment system.

6.2 Troubleshooting

Troubleshooting for engine start issues, firing, and uneven running.

6.2 Troubleshooting (continued)

Troubleshooting for black, blue, and white exhaust gases.

6.3 Engine governor ADEC (ECU 7) fault messages for Series 4000 engines, marine application

Explains fault codes generated by the engine governor and their meanings.

6.4 ADEC engine governor – Fault codes

Lists fault codes related to ETC idle speed, speed deviation, and rail leakage.

6.4 ADEC engine governor – Fault codes (continued)

Details faults related to ETC1+ETC2 and fuel prefilter pressure.

7 Task Description

7.2.1 Engine – Barring manually

7.3.1 Cylinder liner – Endoscopic examination

Procedure for performing endoscopic examination of the cylinder liner.

7.3.2 Cylinder liner – Instructions and comments on endoscopic and visual examination

7.4.1 Crankcase breather – Oil separator element replacement

7.5.2 Valve clearance – Check and adjustment

Steps for checking and adjusting valve clearance.

7.5.2 Valve clearance – Check and adjustment (continued)

Diagrams for 8V, 12V, 16V, and 20V engines for valve clearance checks.

7.5.3 Cylinder head cover – Removal and installation

7.6.1 HP fuel pump – Filling with engine oil

7.6.2 HP fuel pump – Relief bore check

7.7.1 Injector – Replacement

7.7.2 Injector – Removal and installation (jacketed fuel system)

Special tools and precautions for injector removal and installation.

7.7.2 Injector – Removal and installation (jacketed fuel system) (continued)

Final steps for injector installation and CDC parameter reset.

7.8.1 Fuel filter – Replacement

Preconditions and steps for replacing the fuel filter.

7.8.1 Fuel filter – Replacement (continued)

Detailed procedure for replacing the fuel filter, including lever operations.

7.8.2 Fuel prefilter – Differential pressure gage check and adjustment

7.8.3 Fuel prefilter – Draining

7.8.4 Fuel prefilter – Flushing

7.8.4 Fuel prefilter – Flushing (continued)

7.8.5 Fuel prefilter with water separator – Filter element replacement

Preconditions and steps for replacing the filter element in the prefilter with water separator.

7.8.5 Fuel prefilter with water separator – Filter element replacement (continued)

Detailed steps for replacing the filter element, including tightening.

7.9.1 Compressor wheel – Cleaning

7.9.1 Compressor wheel – Cleaning (continued)

7.10.1 Intercooler – Checking condensate drain for coolant leakage and obstruction

7.10.1 Intercooler – Checking condensate drain for coolant leakage and obstruction (continued)

7.11.1 Air filter – Replacement

7.11.2 Air filter – Removal and installation

7.12.1 Contamination indicator – Signal ring position check

7.13.1 Engine oil level – Check

Procedures for checking the engine oil level after extended standstill and after engine stop.

7.13.2 Engine oil – Change

Preconditions and steps for changing engine oil without and with a semirotary pump.

7.13.2 Engine oil – Change (continued)

Procedure for draining residual oil and filling with new oil.

7.13.3 Engine oil – Sample extraction and analysis

7.14.3 Automatic oil filter – Removal

Safety precautions and steps for removing the automatic oil filter.

7.14.5 Automatic oil filter – Cleaning

7.14.6 Automatic oil filter – Check

7.14.7 Automatic oil filter – Assembly

7.14.8 Automatic oil filter – Installation

Safety precautions and steps for installing the automatic oil filter.

7.14.8 Automatic oil filter – Installation (continued)

Steps for installing the automatic oil filter.

7.14.10 Automatic oil filter – Checking flushing arm rotation

7.14.12 Oil filter element – Removal

7.14.14 Oil filter element – Cleaning

7.14.15 Oil filter element – Check

7.14.16 Oil filter element – Assembly

7.14.16 Oil filter element – Assembly (continued)

7.14.17 Oil filter element – Installation

Safety precautions and steps for installing the oil filter element.

7.14.17 Oil filter element – Installation (continued)

Steps for installing the oil filter element and cover, including safety precautions.

7.14.18 Oil indicator filter – Cleaning and check

7.14.18 Oil indicator filter – Cleaning and check (continued)

7.14.21 Centrifugal oil filter – Removal

7.14.22 Centrifugal oil filter - Cleaning

7.14.23 Centrifugal oil filter – Cleaning and filter-sleeve replacement

Steps for cleaning and replacing the filter sleeve of the centrifugal oil filter.

7.14.23 Centrifugal oil filter – Cleaning and filter-sleeve replacement (continued)

Detailed steps for disassembling, cleaning, and reassembling the centrifugal oil filter.

7.14.24 Centrifugal oil filter – Installation

Safety precautions and steps for installing the centrifugal oil filter.

7.15.2 Engine coolant – Level check

Procedures for checking engine coolant levels at the filler neck, external cooler, and via sensor.

7.15.2 Engine coolant – Level check (continued)

Checking engine coolant level at the sight glass.

7.15.3 Engine coolant – Change

7.15.4 Engine coolant draining

Preconditions and steps for draining engine coolant.

7.15.5 Engine coolant – Filling

Preconditions and steps for filling the engine coolant.

7.15.5 Engine coolant – Filling (continued)

Steps for filling coolant through the filler neck.

7.15.6 Engine coolant pump – Relief bore check

7.15.7 Engine coolant – Sample extraction and analysis

7.16.1 Raw water pump – Relief bore check

7.17.1 Battery-charging generator drive – Coupling condition check

7.18.1 Engine mounting – Checking resilient element

7.19.2 Differential pressure gage – Alarm function check

7.19.3 Water level probe (3-in-1 rod electrode) – Check

7.19.4 Pump capacity – Check

Procedure for checking the pump capacity and calculating wear limits.

7.19.5 Coalescer filter element ‒ Replacement

Steps for replacing the coalescer filter element.

7.19.5 Coalescer filter element ‒ Replacement (continued)

Final steps for replacing the coalescer filter element.

7.20.1 Engine cabling – Check

7.21.1 CDC parameters – Reset with DiaSys®

Procedures for resetting CDC parameters with or without DiaSys®.

7.21.3 Limit switch for start interlock – Check

7.21.5 Engine Monitoring Unit EMU 8 – Plug connections check

7.21.6 Interface module EIM plug connections – Check

7.21.7 Engine governor plug connections – Check

7.21.8 Engine governor ECU 7 – Removal and installation

Steps for removing and installing the engine governor ECU 7.

7.21.9 Engine Monitoring Unit EMU 8 – Removal and installation

Steps for removing and installing the Engine Monitoring Unit EMU 8.

7.21.10 Engine Interface Module EIM 2 – Removal and installation

Steps for removing, installing, and downloading software for the EIM 2.

7.22.1 LOP and connectors – Cleaning

8 Appendix A

9 Appendix B