Operating instructions

6.6 Fuel Filter 131
6.6.1 Fuel filter – Replacement 131
6.7 Charge-Air Cooling 133
6.7.1 Compressor wheel – Cleaning 133
6.7.2 Intercooler – Check water drain for coolant
discharge and obstruction 135
6.8 Air Filter 136
6.8.1 Air filter – Replacement 136
6.8.2 Air filter – Removal and installation 137
6.9 Air Intake 138
6.9.1 Contamination indicator – Signal ring position
check (optional) 138
6.10 Starting Equipment 139
6.10.1 Starter – Condition check 139
6.11 Lube Oil System, Lube Oil Circuit 140
6.11.1 Engine oil level – Check 140
6.11.2 Engine oil – Change 141
6.11.3 Engine oil – Sample extraction and analysis 143
6.12 Oil Filtration / Cooling 144
6.12.1 Oil indicator filter – Cleaning 144
6.12.2 Automatic oil filter – Oil filter candles
replacement 146
6.12.3 Oil indicator filter – Check 149
6.12.4 Centrifugal oil filter – Cleaning and filter-
sleeve replacement 151
6.13 Coolant Circuit, General, High-
Temperature Circuit 153
6.13.1 Venting points 153
6.13.2 Engine coolant – Level check 154
6.13.3 Engine coolant – Change 155
6.13.4 Engine coolant draining 156
6.13.5 Engine coolant – Filling 157
6.13.6 Engine coolant pump – Relief bore check 159
6.13.7 Engine coolant – Sample extraction and
analysis 160
6.13.8 Coolant filter – Replacement 161
6.14 Raw Water Pump with Connections 162
6.14.1 Raw water pump – Relief bore check 162
6.15 Battery-Charging Generator 163
6.15.1 Battery-charging generator drive – Coupling
condition check 163
6.16 Engine Mounting / Support 164
6.16.1 Engine mounts – Checking securing screws
for firm seating 164
6.16.2 Engine mounts – Resilient element check 165
6.17 Auxiliary PTO 167
6.17.1 Bilge pump – Relief bore check 167
6.18 Fuel Supply System 168
6.18.1 Water drain valve – Check 168
6.18.2 Differential pressure gauge – Check 169
6.18.3 Water level probe (3-in-1 rod electrode) –
Check 170
6.18.4 Pump capacity – Check 171
6.18.5 Coalescer filter element – Replacement 172
6.19 Wiring (General) for Engine/Gearbox/Unit 174
6.19.1 Engine wiring – Check 174
6.20 Accessories for (Electronic) Engine
Governor / Control System 175
6.20.1 Start interlock limit switch – Check 175
6.20.2 Engine Control Unit ECU 7 – Checking plug
connections 176
6.20.3 Engine monitoring unit EMU – Plug
connection check 177
6.20.4 ECU 7 engine governor – Removal and
installation 178
6.20.5 EMU 7 – Removal and installation 179
7 Appendix A
7.1 Abbreviations 180
7.2 MTU contacts/service partners 182
8 Appendix B
8.1 Index 183
8.2 Spare Parts 185
8.3 Consumables 187
8.4 Special Tools 191
4 | Table of Contents | MS150047/02E 2012-03
DCL-ID: 0000017652 - 001