7.9 Charge-Air Cooling 105
7.9.1 Intercooler – Checking condensate drain line
for coolant discharge and obstruction 105
7.10 Air Filter 106
7.10.1 Air filter – Replacement 106
7.10.2 Air filter – Removal and installation 107
7.11 Air Intake 108
7.11.1 Service indicator – Signal ring position check
(optional) 108
7.12 Starting Equipment 109
7.12.1 Starter – Condition check 109
7.13 Lube Oil System, Lube Oil Circuit 110
7.13.1 Engine oil – Level check 110
7.13.2 Engine oil – Change 111
7.14 Oil Filtration / Cooling 112
7.14.1 Engine oil filter – Replacement 112
7.14.2 Centrifugal oil filter and filter sleeve –
Cleaning and replacement 114
7.15 Coolant Circuit, General, High-Temperature
Circuit 117
7.15.1 Drain and venting points 117
7.15.2 Engine coolant – Level check 122
7.15.3 Engine coolant – Change 123
7.15.4 Engine coolant – Draining 124
7.15.5 Engine coolant – Filling 125
7.15.6 HT coolant pump – Relief bore check 126
7.15.7 Engine coolant – Sample extraction and
analysis 127
7.15.8 Coolant filter – Replacement 128
7.16 Raw Water Pump with Connections 129
7.16.1 Raw water pump – Relief bore check 129
7.17 Belt Drive 130
7.17.1 Drive belt – Condition check 130
7.18 Battery-Charging Generator 131
7.18.1 Battery-charging generator drive – Drive belt
replacement 131
7.19 Fuel Supply System 132
7.19.1 Water drain valve – Check 132
7.19.2 Differential pressure gauge – Check 133
7.19.3 Water level probe (3-in-1 rod electrode) –
Check 134
7.19.4 Pump capacity – Check 135
7.19.5 Coalescer filter element – Replacement 136
7.20 Wiring (General) for Engine/Gearbox/Unit 138
7.20.1 Engine wiring – Check 138
7.21 Accessories for (Electronic) Engine
Governor / Control System 139
7.21.1 Engine governor and connectors – Cleaning 139
7.21.2 EMU and connectors – Cleaning 140
7.21.3 Engine governor plug connections – Check 141
7.21.4 Engine Monitoring Unit EMU 7 – Plug
connection check 142
7.21.5 Interface module EIM plug connections –
Check 143
7.21.6 Engine Control Unit – Self-test 144
7.21.7 Engine Control Unit ECU 7 – Removal and
installation 145
7.21.8 Engine Monitoring Unit – Removal and
installation 146
7.21.9 Engine Interface Module EIM – Removal and
installation 147
7.21.10 Diagnostic features of EIM 148
8 Appendix A
8.1 Abbreviations 151
8.2 MTU contact persons/service partners 153
9 Appendix B
9.1 Special Tools 154
9.2 Index 161
4 | Table of Contents | M015650/05E 2014-03
DCL-ID: 0000014355 - 004
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