1 SERVICE MANUAL .................................................................................................................................5
1.1 Symbols ........................................................................................................................................ 5
2 BASIC SAFETY INSTRUCTIONS ...........................................................................................................6
3 GENERAL INFORMATION ......................................................................................................................7
3.1 Contact addresses .......................................................................................................................7
3.2 Warranty .......................................................................................................................................7
3.3 Information on the Internet .......................................................................................................... 7
3.4 Reengineering ..............................................................................................................................7
3.5 Auxiliary materials ........................................................................................................................ 7
4 EXPLODED-VIEW DRAWING ................................................................................................................. 8
5 REPLACING THE SEAL SET ................................................................................................................10
5.5.1 Disassembly ...............................................................................................................10
5.5.2 Assembly ....................................................................................................................12
6 REPLACING THE PACKING GLAND ....................................................................................................15
7 REPLACING THE VALVE SET ..............................................................................................................18
8 REPLACING THE VALVE SEAT ............................................................................................................20
9 CONVERSION OF CONTROL FUNCTION ...........................................................................................22
9.1 Description of the functions ......................................................................................................22
9.1.1 Control function A (CFA) .............................................................................................22
9.1.2 Control function B (CFB) .............................................................................................22
9.1.3 Control function I (CFI) ................................................................................................22
9.1.4 Flow below the seat ....................................................................................................22
9.1.5 Flow above the seat ...................................................................................................23
9.2 Conversion from control function A (CFA) to control function B (CFB) ...................................24
9.3 Conversion from control function A (CFA) to control function I (CFI) ......................................26
9.4 Conversionfromowabovetheseattoowbelowtheseat ..................................................27
9.5 Conversionfromowbelowtheseattoowabovetheseat ..................................................28