7.20 Drive Systems, Driving End and Free End
(Coupling) 180
7.20.1 Coupling – Condition check 180
7.21 Auxiliary PTO 181
7.21.1 Bilge pump – Relief bore check 181
7.22 Fuel Supply System 182
7.22.1 Water drain valve – Check 182
7.22.2 Differential pressure gauge – Check 183
7.22.3 Water level probe (3-in-1 rod electrode) –
Check 184
7.22.4 Pump capacity – Check 185
7.22.5 Coalescer filter element – Replacement 186
7.23 Wiring (General) for Engine/Gearbox/Unit 188
7.23.1 Engine wiring – Check 188
7.24 Accessories for (Electronic) Engine
Governor / Control System 189
7.24.1 Engine control unit and connectors – Cleaning 189
7.24.2 Engine monitoring unit and connectors –
Cleaning 190
7.24.3 Start interlock limit switch – Check 191
7.24.4 Checking engine control unit plug connections 192
7.24.5 Engine monitoring unit, plug connections –
Check 193
7.24.6 Engine control unit – Removal and installation 194
7.24.7 LOP – Visual inspection 196
8 Appendix A
8. Abbreviations 0
8. MTU contacts/service partners 0
9 Appendix B
9.1 Spare Parts 201
9.2 Special Tools 203
9.3 Index 207
MW15412/05E 2011-11 | Table of Contents | 7
DCL-ID: 0000014255 - 002
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