MTU 12 V 4000 M23F Operating Instructions Manual page 6

6.7.3 Fuel filter - Replacement
6.7.4 Fuel system - Venting
6.7.5 Fuel prefilter - Differential pressure check
and adjustment of gauge
6.7.6 Fuel prefilter - Draining
6.7.7 Fuel prefilter - Flushing
6.7.8 Fuel prefilter with water separator - Filter
element replacement
6.7.9 Fuel prefilter with water separator - O-ring
replacement in rotary slide valve
6.8 Exhaust Turbocharger
6.8.1 Overview of turbocharger
6.8.2 Compressor wheel - Cleaning
6.9 Charge-Air Cooling
6.9.1 Intercooler - Checking condensate drain for
water discharge and obstruction
6.10 Air Filter
6.10.1 Air filter - Replacement
6.10.2 Air filter - Removal and installation
6.11 Air Intake
6.11.1 Service indicator - Signal ring position check
(optional)
6.12 Starting Equipment
6.12.1 Starter - Condition check
6.13 Lube Oil System, Lube Oil Circuit
6.13.1 Engine oil - Level check
6.13.2 Engine oil - Change
6.13.3 Engine oil - Sample extraction and analysis
6.14 Oil Filtration / Cooling
6.14.1 Engine oil filter - Replacement
6.14.2 Oil indicator filter - Cleaning and check
6.14.3 Centrifugal oil filter - Cleaning and filter
sleeve replacement
6.15 Coolant Circuit, General, High-Temperature
Circuit
6.15.1 Drain and vent points
6.15.2 Engine coolant level - Check
6.15.3 Engine coolant - Change
6.15.4 Engine coolant - Draining
6.15.5 Engine coolant - Filling
6.15.6 HT coolant pump - Relief bore check
6.15.7 Engine coolant - Sample extraction and
analysis
6.15.8 Engine coolant filter - Replacement
6.15.9 Preheating unit
6.15.10 Preheater - Overhaul
6 | Table of Contents | MS150068/01E 2014-01
187 6.15.11 Preheater - Function and leak-tightness check
189
6.16 Raw Water Pump with Connections
6.16.1 Raw water pump - Relief bore check
190
191 6.17 Engine Mounting / Support
193
6.17.1 Engine mounting - Check
6.18 Battery-Charging Generator
195
6.18.1 Battery-charging generator drive - Coupling
condition check
197
6.19 Auxiliary PTO
198
6.19.1 Bilge pump - Relief bore check
198
205
6.20 Fuel Supply System
6.20.1 Water drain valve - Check
213
6.20.2 Differential pressure gauge - Check
6.20.3 Water level probe (3-in-1 rod electrode) -
213
Check
214
6.20.4 Pump capacity - Check
214
6.20.5 Coalescer filter element - Replacement
215
6.21 Wiring (General) for Engine/Gearbox/Unit
216
6.21.1 Engine wiring harness - Overview
6.21.2 Engine wiring - Check
216
6.22 Accessories for (Electronic) Engine
217
Governor / Control System
217
6.22.1 CDC parameters - Reset
6.22.2 Limit switch for start interlock - Check
218
6.22.3 Engine Control Unit ECU 7 - Checking plug
218
connections
219
6.22.4 Engine Monitoring Unit EMU 7 - Plug
221
connection check
223
6.22.5 Interface module EIM plug connections -
223
Check
225
6.22.6 Engine Control Unit ECU 7 - Removal and
installation
227
6.22.7 EMU 7 - Removal and installation
6.22.8 Engine Interface Module EIM - Removal and
installation
230
6.22.9 Diagnostic features of EIM
230
234
235
7 Appendix A
236
7.1 Abbreviations
239
7.2 MTU contact persons/service partners
241
242
8 Appendix B
243
244 8.1 Special Tools
247
8.2 Index
248
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