MTU 16V4000C21 - Page 4

8.12.1 Service indicator – Check 107
8.13 Lube Oil System, Lube Oil Circuit 108
8.13.1 Engine oil ‒ Level check 108
8.13.2 Checking engine oil level 109
8.13.3 Engine oil – Change 110
8.13.4 Engine oil – Sample extraction and analysis 112
8.14 Oil Filtration / Cooling 113
8.14.1 Engine oil filter – Replacement 113
8.14.2 Centrifugal oil filter – Cleaning and filter-
sleeve replacement 114
8.15 Coolant Circuit, General, High-Temperature
Circuit 116
8.15.1 Engine coolant – Level check 116
8.15.2 Engine coolant – Change 118
8.15.3 Engine coolant – Draining 119
8.15.4 Engine coolant – Filling 120
8.15.5 Engine coolant pump – Relief bore check 122
8.15.6 Engine coolant – Sample extraction and
analysis 123
8.15.7 Breather valve – Replacement 125
8.16 Low-Temperature Circuit 126
8.16.1 Charge-air coolant – Level check 126
8.16.2 Charge-air coolant – Change 127
8.16.3 Charge-air coolant – Drainage 128
8.16.4 Charge-air coolant – Filling 129
8.16.5 Charge-air coolant pump – Relief bore check 132
8.17 Engine Mounting / Support 133
8.17.1 Engine mounting – Check 133
8.17.2 Securing screws – Check for firm seating 134
8.18 Belt Drive 135
8.18.1 Drive belt – Condition check 135
8.19 Battery-Charging Generator 136
8.19.1 Battery-charging generator – Condition check 136
8.19.2 Battery-charging generator – Check 137
8.19.3 Battery-charging generator – Removal and
installation 138
8.19.4 Battery-charging generator – Drive belt and
belt tensioner replacement 139
8.19.5 Battery-charging generator – Drive belt
tension adjustment 140
8.20 Fan Drive 141
8.20.1 Fan drive – Adjust and check drive belt
tension 141
8.20.2 Fan drive – Drive belt replacement 143
8.21 Auxiliary PTO 144
8.21.1 Compressor – Check 144
8.22 Wiring (General) for Engine/Gearbox/Unit 145
8.22.1 Engine cabling – Check 145
8.23 Accessories for (Electronic) Engine
Governor / Control System 146
8.23.1 DDEC and connectors – Cleaning 146
8.23.2 DDEC – Checking plug-in connections 148
9 Appendix A
9.1 Abbreviations 149
9.2 MTU Contact/Service Partners 152
10 Appendix B
10.1 Special Tools 153
10.2 Index 160
4 | Table of Contents | MS150049/04E 2017-04
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