7.8 Fuel Filter 89
7.8.1 Fuel filter – Replacement 89
7.8.2 Fuel prefilter – Differential pressure check and
adjustment of gauge 91
7.8.3 Fuel prefilter – Draining 92
7.8.4 Fuel prefilter – Flushing 93
7.8.5 Fuel prefilter – Filter element replacement 95
7.9 Charge-Air Cooling 97
7.9.1 Intercooler – Checking condensate drain line
for coolant discharge and obstruction 97
7.10 Air Filter 98
7.10.1 Air filter – Replacement 98
7.10.2 Air filter – Removal and installation 99
7.11 Air Intake 100
7.11.1 Service indicator - Signal ring position check 100
7.12 Starting Equipment 101
7.12.1 Starter – Condition check 101
7.13 Lube Oil System, Lube Oil Circuit 102
7.13.1 Engine oil – Level check 102
7.13.2 Engine oil – Change 103
7.14 Oil Filtration / Cooling 104
7.14.1 Engine oil filter – Replacement 104
7.14.2 Centrifugal oil filter – Cleaning and filter-
sleeve replacement 106
7.15 Coolant Circuit, General, High-
Temperature Circuit 109
7.15.1 Drain and venting points 109
7.15.2 Engine coolant – Level check 115
7.15.3 Engine coolant – Change 116
7.15.4 Engine coolant – Draining 117
7.15.5 Engine coolant – Filling 118
7.15.6 HT coolant pump — Relief bore check 119
7.15.7 Engine coolant – Sample extraction and
analysis 120
7.15.8 Coolant filter – Replacement 121
7.16 Raw Water Pump with Connections 122
7.16.1 Raw water pump – Relief bore check 122
7.17 Belt Drive 123
7.17.1 Drive belt – Condition check 123
7.18 Battery-Charging Generator 124
7.18.1 Battery-charging generator drive – Drive belt
replacement 124
7.19 Fuel Treatment System 125
7.19.1 Water drain valve – Check 125
7.19.2 Differential pressure gauge – Check 126
7.19.3 Water level probe (3-in-1 rod electrode) –
Check 127
7.19.4 Pump capacity – Check 128
7.19.5 Coalescer filter element – Replacement 129
7.20 Wiring (General) for Engine/Gearbox/Unit 131
7.20.1 Engine wiring – Check 131
7.21 Accessories for (Electronic) Engine
Governor / Control System 132
7.21.1 Engine governor and connectors – Cleaning 132
7.21.2 Engine governor – Checking plug-in
connections 133
7.21.3 EMU – Checking plug-in connections 134
7.21.4 Engine governor – Carry out self-test 135
7.21.5 EMU and connectors – Cleaning 136
7.21.6 ECU 7 engine governor – Removal and
installation 137
7.21.7 Engine monitoring unit – Removal and
installation 138
8 Appendix A
8.1 Abbreviations 139
8.2 MTU contacts/service partners 142
9 Appendix B
9.1 Special Tools 143
9.2 Index 146
6 | Table of Contents | M015650/03E 2011-10
DCL-ID: 0000014355 - 002
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