7.6.2 Injector – Removal and installation 187
7.7 Fuel System 193
7.7.1 Fuel system – Venting 193
7.8 Fuel Filter 195
7.8.1 Additional fuel filter – Overview 195
7.8.2 Additional fuel filter – Replacement 196
7.8.3 Fuel filter – Replacement 198
7.8.4 Fuel prefilter – Differential pressure gage
check and adjustment of gage 200
7.8.5 Fuel prefilter – Draining 201
7.8.6 Fuel prefilter – Flushing 203
7.8.7 Fuel prefilter with water separator – Filter
element replacement 205
7.8.8 Fuel prefilter with water separator – O-ring
replacement in rotary slide valve 208
7.9 Exhaust Turbocharger 209
7.9.1 Compressor wheel – Cleaning 209
7.10 Charge-Air Cooling 214
7.10.1 Intercooler – Check water drain for coolant
leakage and obstruction 214
7.11 Air Filter 215
7.11.1 Air filter – Replacement 215
7.11.2 Air filter – Removal and installation 216
7.12 Air Intake 217
7.12.1 Service indicator – Signal ring position check 217
7.13 Starting Equipment 218
7.13.1 Starter – Condition check 218
7.14 Lube Oil System, Lube Oil Circuit 219
7.14.1 Engine oil – Level check 219
7.14.2 Oil indicator filter – Cleaning and check 220
7.14.3 Engine oil – Change 222
7.14.4 Engine oil – Sample extraction and analysis 224
7.15 Oil Filtration / Cooling 226
7.15.1 Engine oil filter ‒ Replacement 226
7.15.2 Automatic oil filter – Oil filter candles
replacement 228
7.15.3 Centrifugal oil filter – Cleaning and filter
sleeve replacement 231
7.16 Coolant Circuit, General, High-Temperature
Circuit 234
7.16.1 Engine coolant level – Check 234
7.16.2 Engine coolant – Change 235
7.16.3 Engine coolant – Draining 236
7.16.4 Engine coolant – Filling 237
7.16.5 HT coolant pump – Relief bore check 239
7.16.6 Engine coolant – Sample extraction and
analysis 240
7.16.7 Preheating unit 241
7.17 Raw Water Pump with Connections 244
7.17.1 Raw water pump – Relief bore check 244
7.18 Battery-Charging Generator 245
7.18.1 Battery-charging generator drive – Coupling
condition check 245
7.19 Engine Mounting / Support 246
7.19.1 Engine mounting – Check 246
7.20 Auxiliary PTO 247
7.20.1 Bilge pump – Relief bore check 247
7.21 Fuel Supply System 248
7.21.1 Water drain valve – Check 248
7.21.2 Differential pressure gauge – Check 249
7.21.3 Water level probe (3-in-1 rod electrode) –
Check 250
7.21.4 Pump capacity – Check 251
7.21.5 Coalescer filter element – Replacement 252
7.22 Wiring (General) for Engine/Gearbox/Unit 254
7.22.1 Engine cabling – Check 254
7.23 Accessories for (Electronic) Engine
Governor / Control System 255
7.23.1 Resetting CDC parameter and entering IIG
with DiaSys® 255
7.23.2 Limit switch for start interlock ‒ Check 256
7.23.3 Engine Control Unit ECU 7 – Checking plug
connections 257
7.23.4 Engine Monitoring Unit EMU 8 – Plug
connections check 258
7.23.5 Interface module EIM plug connections –
Check 259
7.23.6 Engine Control Unit ECU 7 – Removal and
installation 260
7.23.7 EMU 8 – Removal and installation 261
7.23.8 Engine Interface Module EIM – Removal and
installation 262
7.23.9 Diagnostic features on EIM 263
7.24 Emergency Instrumentation (Local
Operating Panel) 266
7.24.1 LOP and connectors – Cleaning 266
8 Appendix A
8.1 Abbreviations 267
8.2 MTU contact persons/service partners 269
9 Appendix B
9.1 Special Tools 270
9.2 Index 276
4 | Table of Contents | MS150109/01E 2015-11
DCL-ID: 0000029430 - 003
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