6.12.8 Coolant filter – Replacement
119
6.13 Low-Temperature Circuit
120
6.13.1 Intercooler – Vent and drain points
120
6.13.2 Charge-air coolant – Level check
121
6.13.3 Charge-air coolant – Change
122
6.13.4 Charge-air coolant – Filling
123
6.13.5 Charge-air coolant – Draining
125
6.13.6 Charge-air coolant pump – Relief bore check
126
6.14 Belt Drive
127
6.14.1 Drive belt – Condition check
127
6.14.2 Drive belt – Tension check
128
6.14.3 Drive belt – Tension adjustment
130
6.14.4 Drive belt – Replacement
132
6.15 Battery-Charging Generator
133
6.15.1 Battery-charging generator drive – Drive belt
replacement
133
6.16 Engine Governor
134
6.16.1 Engine governor – Overview
134
6.16.2 Engine governor – Removal
135
6.16.3 Engine governor – Installation
136
6.16.4 Engine governor plug connections – Check
137
6.17 Wiring (General) for Engine/Gearbox/Unit
138
6.17.1 Engine cabling – Check
138
6.17.2 Lambda, NOx and humidity sensors –
Overview
139
6.17.3 Lambda sensor – Replacement
140
6.17.4 NOx sensor – Replacement
142
6.17.5 Humidity sensor – Replacement
144
6.18 Accessories for (Electronic) Engine
Governor / Control System
146
6.18.1 Resetting CDC parameter and entering IIG
with DiaSys®
146
6.18.2 Engine governor and connector – Cleaning
147
6.18.3 Engine governor plug connections – Check
148
7 Appendix A
7.1 Abbreviations
149
7.2 MTU contact persons/service partners
151
8 Appendix B
8.1 Special Tools
152
8.2 Index
161
4 | Table of Contents | MS150094/02E 2015-05
DCL-ID: 0000007590 - 008