Operating instructions

7.20 Drive Systems, Driving End and Free End

(Coupling) 177

7.20.1 Coupling – Condition check 177

7.21 Auxiliary PTO 178

7.21.1 Bilge pump – Relief bore check 178

7.22 Fuel Supply System 179

7.22.1 Water drain valve – Check 179

7.22.2 Differential pressure gauge – Check 180

7.22.3 Water level probe (3-in-1 rod electrode) –

Check 181

7.22.4 Pump capacity – Check 182

7.22.5 Coalescer filter element – Replacement 183

7.23 Wiring (General) for Engine/Gearbox/Unit 185

7.23.1 Engine wiring – Check 185

7.24 Accessories for (Electronic) Engine

Governor / Control System 186

7.24.1 Engine governor and connectors – Cleaning 186

7.24.2 Engine monitoring unit and connectors –

Cleaning 187

7.24.3 Limit switch for start interlock ‒ Check 188

7.24.4 Checking engine control unit plug connections 189

7.24.5 Engine monitoring unit – Plug connection

check 190

7.24.6 Engine control unit – Removal and installation 191

7.24.7 LOP – Visual inspection 193

8 Appendix A

8. Abbreviations 0

8. MTU contacts/service partners 0

9 Appendix B

9.1 Special Tools 198

9.2 Index 202

M015412/03E 2012-02 | Table of Contents | 5

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