8.6 Injection Pump / HP Pump 155
8.6.1 HP fuel pump – Filling with engine oil 155
8.6.2 HP fuel pump – Relief bore check 157
8.7 Injection Valve / Injector 158
8.7.1 Injector – Replacement 158
8.7.2 Injector – Removal and installation (jacketed
fuel system) 159
8.8 Fuel Filter 166
8.8.1 Additional fuel filter – Overview 166
8.8.2 Additional fuel filter – Replacement 167
8.8.3 Fuel filter – Replacement 168
8.8.4 Fuel prefilter – Differential pressure gage
check and adjustment 170
8.8.5 Fuel prefilter – Draining 171
8.8.6 Fuel prefilter – Flushing 173
8.8.7 Fuel prefilter with water separator – Filter
element replacement 175
8.8.8 Fuel prefilter with water separator – O-ring
replacement in rotary slide valve 178
8.9 Exhaust Turbocharger 179
8.9.1 Compressor wheel – Cleaning 179
8.10 Charge-Air Cooling 184
8.10.1 Intercooler – Check water drain for coolant
leakage and obstruction 184
8.11 Air Filter 185
8.11.1 Air filter – Replacement 185
8.11.2 Air filter – Removal and installation 186
8.12 Air Intake 187
8.12.1 Contamination indicator – Signal ring position
check 187
8.13 Starting Equipment 188
8.13.1 Starter – Condition check 188
8.14 Lube Oil System, Lube Oil Circuit 189
8.14.1 Engine oil level – Check 189
8.14.2 Engine oil – Change 190
8.14.3 Engine oil – Sample extraction and analysis 192
8.15 Oil Filtration / Cooling 194
8.15.1 Engine oil filter – Replacement 194
8.15.2 Oil indicator filter – Cleaning and check 196
8.15.3 Centrifugal oil filter – Cleaning and filter
sleeve replacement 199
8.16 Coolant Circuit, General, High-Temperature
Circuit 202
8.16.1 Drain and vent points 202
8.16.2 Engine coolant level – Check 205
8.16.3 Engine coolant – Change 206
8.16.4 Engine coolant – Draining 207
8.16.5 Engine coolant, filling 208
8.16.6 HT coolant pump – Relief bore check 210
8.16.7 Engine coolant – Sample extraction and
analysis 211
8.16.8 Engine coolant filter – Replacement 212
8.16.9 Preheater – Function and leak-tightness check 213
8.16.10 Preheating unit 214
8.16.11 Preheater – Overhaul 217
8.17 Raw Water Pump with Connections 218
8.17.1 Raw water pump – Relief bore check 218
8.18 Battery-Charging Generator 219
8.18.1 Battery-charging generator drive – Coupling
condition check 219
8.19 Engine Mounting / Support 220
8.19.1 Engine mounting – Checking resilient element 220
8.20 Auxiliary PTO 221
8.20.1 Bilge pump – Relief bore check 221
8.21 Fuel Supply System 222
8.21.1 Water drain valve – Check 222
8.21.2 Differential pressure gage – Alarm function
check 223
8.21.3 Water level probe (3-in-1 rod electrode) –
Check 224
8.21.4 Pump capacity – Check 225
8.21.5 Coalescer filter element ‒ Replacement 226
8.22 Wiring (General) for Engine/Gearbox/Unit 228
8.22.1 Engine wiring harness and mounts – Overview 228
8.22.2 Engine cabling – Check 234
8.23 Accessories for (Electronic) Engine
Governor / Control System 235
8.23.1 Limit switch for start interlock – Check 235
8.23.2 Engine Control Unit ECU 7 – Checking plug
connections 236
8.23.3 Engine Monitoring Unit EMU 7 – Plug
connection check 237
8.23.4 Interface module EIM plug connections –
Check 238
8.23.5 Engine governor ECU 7 – Removal and
installation 239
8.23.6 Engine Interface Module EIM 2 – Removal and
installation 240
8.23.7 Engine Interface Module EIM 2 – Diagnostic
features 241
8.23.8 EMU 7 – Removal and installation 244
8.23.9 CDC parameters – Reset 245
9 Appendix A
9.1 List of abbreviations 246
9.2 MTU Contact/Service Partners 248
10 Appendix B
10.1 Special Tools 249
10.2 Index 256
4 | Table of Contents | MS15034/00E 2018-08
DCL-ID: 0000051756 - 001