7.6.2 Additional fuel filter – Replacement 190
7.6.3 Fuel filter – Replacement 191
7.6.4 Fuel system – Venting 193
7.6.5 Fuel prefilter – Differential pressure check
and adjustment of gauge 194
7.6.6 Fuel prefilter – Draining 195
7.6.7 Fuel prefilter – Flushing 197
7.6.8 Fuel prefilter with water separator – Filter
element replacement 199
7.6.9 Fuel prefilter with water separator – O-ring
replacement in rotary slide valve 201
7.7 Exhaust Turbocharger 202
7.7.1 Compressor wheel – Cleaning 202
7.8 Charge-Air Cooling 206
7.8.1 Charge-air cooler – Checking condensate drain
for water discharge and obstruction 206
7.9 Air Filter 207
7.9.1 Air filter – Replacement 207
7.9.2 Air filter – Removal and installation 208
7.10 Air Intake 209
7.10.1 Service indicator – Signal ring position check
(optional) 209
7.11 Starting Equipment 210
7.11.1 Starter – Condition check 210
7.12 Lube Oil System, Lube Oil Circuit 211
7.12.1 Engine oil – Level check 211
7.12.2 Engine oil – Change 212
7.12.3 Engine oil – Sample extraction and analysis 214
7.13 Oil Filtration / Cooling 216
7.13.1 Engine oil filter – Replacement 216
7.13.2 Automatic oil filter – Oil filter candles
replacement 218
7.13.3 Checking oil indicator filter 221
7.13.4 Centrifugal oil filter – Cleaning and filter
sleeve replacement 223
7.14 Coolant Circuit, General, High-Temperature
Circuit 226
7.14.1 Engine coolant level – Check 226
7.14.2 Engine coolant – Change 227
7.14.3 Engine coolant – Draining 228
7.14.4 Engine coolant – Filling 231
7.14.5 HT coolant pump – Relief bore check 233
7.14.6 Engine coolant – Sample extraction and
analysis 234
7.14.7 Preheating unit 235
7.15 Raw Water Pump with Connections 238
7.15.1 Raw water pump – Relief bore check 238
7.16 Battery-Charging Generator 239
7.16.1 Battery-charging generator drive – Coupling
condition check 239
7.17 Engine Mounting / Support 240
7.17.1 Engine mounting – Check 240
7.18 Auxiliary PTO 241
7.18.1 Bilge pump – Relief bore check 241
7.19 Fuel Supply System 242
7.19.1 Water drain valve – Check 242
7.19.2 Differential pressure gauge – Check 243
7.19.3 Water level probe (3-in-1 rod electrode) –
Check 244
7.19.4 Pump capacity – Check 245
7.19.5 Coalescer filter element – Replacement 246
7.20 Wiring (General) for Engine/Gearbox/Unit 248
7.20.1 Engine wiring – Check 248
7.21 Accessories for (Electronic) Engine
Governor / Control System 249
7.21.1 Resetting CDC parameter and entering IIG
with DiaSys® 249
7.21.2 Limit switch for start interlock ‒ Check 250
7.21.3 Engine Control Unit ECU 7 – Checking plug
connections 251
7.21.4 Engine Monitoring Unit EMU 8 – Plug
connections check 252
7.21.5 Interface module EIM plug connections –
Check 253
7.21.6 Engine Control Unit ECU 7 – Removal and
installation 254
7.21.7 EMU 8 – Removal and installation 255
7.21.8 Engine Interface Module EIM – Removal and
installation 256
7.21.9 Diagnostic features of EIM 257
8 Appendix A
8.1 Abbreviations 260
8.2 MTU contact persons/service partners 262
9 Appendix B
9.1 Special Tools 263
9.2 Index 269
4 | Table of Contents | MS150110/00E 2013-10
DCL-ID: 0000029807 - 001