ABB SF6 LTB 245E1 BLG 1002A - List of

Maintenance Operating Mechanism
1HSB515409-100 en rev2 i
LIST OF CONTENTS
1. General............................................................................... 1
2. Safety................................................................................... 3
2.1 Warning text....................................................................................3
2.2 Safety directives..............................................................................4
3. Maintenance, general......................................................... 7
3.1 Tools................................................................................................7
3.2 Cleaning equipment ........................................................................7
3.3 Spare parts.......................................................................................7
3.4 Test equipment................................................................................7
4. Maintenance........................................................................ 9
4.1 General............................................................................................9
4.2 Preparations for maintenance........................................................12
4.3 Cleaning........................................................................................13
4.4 Corrosion.......................................................................................13
4.5 Lubrication....................................................................................14
4.6 Heater element ..............................................................................15
4.7 Drive unit ......................................................................................16
4.8 Catch gear .....................................................................................17
4.9 Dashpots........................................................................................18
4.10 Link system and spring battery.....................................................20
4.11 Auxiliary contact...........................................................................20
4.12 Terminal blocks.............................................................................22
4.13 Slow closing and opening operations............................................23