Table of contents
1 Introduction
1.1 Maintenance Manual - change record........................................22
1.2 Preface..................................................................24
1.3 Technical documentation set................................................26
1.4 Data module codes (procedural data)........................................28
1.5 Data module codes (descriptive data)........................................30
1.6 Data module codes (illustrated parts data)....................................32
1.7 About this book...........................................................34
1.8 About the engine..........................................................36
1.9 List of abbreviations.......................................................42
2 Safety
2.1 Safety precautions and safety rules..........................................48
2.2 Safety precautions and safety rules for natural gas............................52
3 General data for maintenance
3.1 Lifting tools...............................................................56
3.2 Jointing compounds.......................................................60
3.3 Clearances - general......................................................62
3.4 Clearances...............................................................64
3.5 Torque values - standard screws............................................82
4 General mainteance procedures
4.1 Do maintenance work - general procedure................................... 86
4.2 Tighten a round nut with a pre-tensioner..................................... 88
4.3 Loosen a round nut with a pre-tensioner..................................... 92
4.4 Do a check of the pre-tension...............................................96
5 Maintenance schedule
5.1 Maintenance schedule....................................................100
6 Group 1 - Engine frame and bearings
6.1 Bedplate
6.1.1 Bedplate - do a check of the foundation bolts............................102
6.2 Main bearing
6.2.1 Main bearing - remove the cover...................................... 104
6.2.2 Main bearing - install the cover........................................110
6.3 Main bearing shell
6.3.1 Main bearing shell - remove...........................................116
X72DF
Maintenance Manual
Winterthur Gas & Diesel Ltd.
- 3 - Issue 002 2020-10
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