6.2 Cylinder Liner 106
6.2.1 Cylinder liner – Endoscopic examination 106
6.2.2 Instructions and comments on endoscopic
and visual examination of cylinder liners 108
6.3 Crankcase Breather 110
6.3.1 Crankcase breather – Oil separator element
replacement, diaphragm check and
replacement 110
6.3.2 Crankcase breather – Cleaning oil separator
element 112
6.3.3 Crankcase breather – Oil separator
replacement, diaphragm check and
replacement 113
6.4 Valve Drive 115
6.4.1 Valve clearance – Checking and adjusting 115
6.4.2 Cylinder head cover – Removal and
installation 118
6.5 Injection Pump / HP Pump 119
6.5.1 Injection pump – Replacement 119
6.5.2 Injection pump – Removal and installation 120
6.6 Injection Valve / Injector 123
6.6.1 Injector – Replacement 123
6.6.2 Injector – Removal and installation 124
6.7 Fuel System 128
6.7.1 HP fuel line – Pressure pipe union
replacement 128
6.7.2 Fuel – Draining 130
6.7.3 Fuel system venting 131
6.8 Fuel Filter 133
6.8.1 Fuel filter – Replacement 133
6.8.2 Fuel prefilter – Differential pressure check and
adjustment of gauge 135
6.8.3 Fuel prefilter – Draining 136
6.8.4 Fuel prefilter – Flushing 137
6.8.5 Fuel prefilter – Filter element replacement 139
6.9 Charge-Air Cooling 141
6.9.1 Intercooler – Checking condensate drain line
for coolant discharge and obstruction 141
6.10 Air Filter 142
6.10.1 Air filter – Replacement 142
6.10.2 Air filter – Removal and installation 143
6.11 Air Intake 144
6.11.1 Service indicator - Signal ring position check 144
6.12 Starting Equipment 145
6.12.1 Starter – Condition check 145
6.13 Lube Oil System, Lube Oil Circuit 146
6.13.1 Engine oil level – Check 146
6.13.2 Engine oil – Change 147
6.14 Oil Filtration / Cooling 148
6.14.1 Oil dipstick – Marking 148
6.14.2 Engine oil filter – Replacement 149
6.14.3 Centrifugal oil filter – Cleaning and filter-
sleeve replacement 151
6.15 Coolant Circuit, General, High-
Temperature Circuit 154
6.15.1 Drain and venting points 154
6.15.2 Engine coolant – Level check 159
6.15.3 Engine coolant – Change 160
6.15.4 Engine coolant – Draining 161
6.15.5 Engine coolant filling 162
6.15.6 HT coolant pump – Relief bore check 163
6.15.7 Engine coolant – Sample extraction and
analysis 164
6.16 Raw Water Pump with Connections 165
6.16.1 Raw water pump – Relief bore check 165
6.17 Belt Drive 166
6.17.1 Drive belt – Condition check 166
6.18 Battery-Charging Generator 167
6.18.1 Battery-charging generator drive – Drive belt
check and adjustment 167
6.18.2 Battery-charging generator drive – Drive belt
replacement 169
6.19 Engine Mounting / Support 171
6.19.1 Engine mounting – Checking condition of
resilient mounts 171
6.20 Wiring (General) for Engine/Gearbox/Unit 172
6.20.1 Engine wiring – Check 172
6.21 Accessories for (Electronic) Engine
Governor / Control System 173
6.21.1 Engine control unit and connectors – Cleaning 173
6.21.2 Engine monitoring unit and connectors –
Cleaning 174
6.21.3 Start interlock limit switch – Check 175
6.21.4 ECU – Checking plug connections 176
6.21.5 Engine monitoring unit, plug connections –
Check 177
6.21.6 Engine control unit – Removal and installation 178
6.22 Emergency Instrumentation (Local
Operating Panel) 180
6.22.1 LOP and connectors – Cleaning 180
6.22.2 LOP – Visual inspection 181
6.22.3 LOP – Test procedures 183
7 Appendix A
7.1 Abbreviations 185
7.2 MTU contacts/service partners 187
6 | Table of Contents | MS150031/03E 2011-10
DCL-ID: 0000005762 - 004
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