7.13.1 Drain and vent points
78
7.13.2 Engine coolant – Level check
86
7.13.3 Engine coolant – Change
87
7.13.4 Engine coolant ‒ Draining
88
7.13.5 Engine coolant – Filling
90
7.13.6 Engine coolant pump – Relief bore check
92
7.13.7 Engine coolant – Sample extraction and
analysis
93
7.14 Low-Temperature Circuit
94
7.14.1 Intercooler – Vent and drain points
94
7.14.2 Intercooler – Checking condensate drain for
coolant discharge and obstructions
95
7.14.3 Charge-air coolant – Level check
96
7.14.4 Charge-air coolant – Change
97
7.14.5 Charge-air coolant – Filling
98
7.14.6 Charge-air coolant ‒ Draining
100
7.14.7 Charge-air coolant pump – Relief bore check
101
7.15 Coolant System
102
7.15.1 Cooler – Checking cooler elements externally
for dirt
102
7.15.2 Cooler – Cleaning cooler elements
103
7.16 Belt Drive
104
7.16.1 Drive belt – Condition check
104
7.16.2 Drive belt – Tension check
105
7.16.3 Drive belt ‒ Tension adjustment
108
7.16.4 Drive belt – Replacement
111
7.17 Battery-Charging Generator
113
7.17.1 Battery-charging generator drive – Drive belt
replacement
113
7.18 Engine Governor
115
7.18.1 Engine governor – Overview
115
7.18.2 Engine governor – Removal and installation
117
7.18.3 Engine governor plug connections – Check
119
7.19 Wiring (General) for Engine/Gearbox/Unit
120
7.19.1 Еngine cabling ‒ Check
120
7.19.2 Lambda, NOx and humidity sensors –
Overview
121
7.19.3 Lambda sensor – Replacement
122
7.19.4 NOx sensor – Replacement
124
7.19.5 Humidity sensor – Replacement
126
7.20 Accessories for (Electronic) Engine
Governor / Control System
128
7.20.1 Engine governor and connectors – Cleaning
128
7.20.2 Engine governor plug connections – Check
129
8 Appendix A
8.1 List of abbreviations
130
8.2 MTU contact persons/service partners
132
9 Appendix B
9.1 Special Tools
133
9.2 Index
142
4 | Table of Contents | MS150117/01E 2014-10
DCL-ID: 0000032010 - 002
