MAINTENANCE NOTICE
NM-230 index 18
Page 2/55 September 2020
TABLE OF CONTENTS
1 CHANGE MANAGEMENT 3
2 SAFETY 4
2.1 IMPORTANT INFORMATION 4
2.2 GENERAL INFORMATION 4
3 INTRODUCTION 5
3.1 DISASSEMBLING THE VALVE (Extracting the actuator and Plug assembly from the body of the valve) 5
3.2 DISASSEMBLING THE ACTUATOR (Changing the internal seals) 5
3.2.1 Safety devices 6
4 MAINTENANCE OF THE VALVE FOR POSITIONER BURKERT 8630 7
4.1 DISASSEMBLING THE 8630 UNIT 7
4.2 REASSEMBLING THE 8630 UNIT 8
4.3 CONNECTING THE AIR SUPPLY TO THE 8630 UNIT 9
4.4 CONNECTING THE POWER SUPPLY REGULATOR OPERATION 10
4.5 CONNECTING THE POWER SUPPLY POSITIONER OPERATION 11
4.6 CONNECTING POWER (analog card) 12
4.7 SETTING THE VALVE REGULATOR OPERATION 13
4.8 SETTING THE VALVE POSITIONER OPERATOR 14
4.9 SETTING THE VALVE (analog card) 15
5 MAINTENANCE OF THE VALVE FOR POSITIONER BURKERT 8693 16
5.1 DISASSEMBLING THE 8693 UNIT 16
5.1.1 POSITIONER AND ADAPTATION KITS 17
5.2 REASSEMBLING THE 8693 UNIT 18
5.3 CONNECTING THE AIR SUPPLY TO THE 8693 UNIT 18
5.4 CONNECTING THE POWER SUPPLY REGULATOR OPERATION (without 4-20mA generator) 19
5.5 SETTING THE VALVE AUTOMATIC OPERATION 20
5.5.1 AUTOMATIC ADJUSTMENT OF THE POSITIONER TO THE OPERATING CONDITIONS (X.TUNE) 21
5.5.2 SETTING UP THE PROCESS CONTROLLER (auxiliary function P.CONTROL) 22
5.5.3 BASIC SETTING OF THE PROCESS CONTROLLER 23
6 MAINTENANCE OF THE VALVE FOR POSITIONER GEMÜ 1436 26
6.1 DISASSEMBLING THE 1436 UNIT 26
6.2 REASSEMBLING THE 1436 UNIT 27
6.3 CONNECTING THE AIR SUPPLY TO THE 1436 UNIT 28
6.4 CONNECTING THE POWER SUPPLY REGULATOR OPERATION 29
6.5 INITIALIZATION AUTOMATIC 1436 UNIT 30
6.6 SETTING THE VALVE POSITIONER OPERATOR 32
6.7 SETTING THE VALVE REGULATOR OPERATION 32
6.8 SETTING THE VALVE AUTOMATIC OPERATION 33
7 DISASSEMBLING THE VALVE 34
7.1 DISASSEMBLING THE DCX3 REGULATING VALVE CLAMP COLLAR 34
7.2 DISASSEMBLING THE DCX3 REGULATING VALVE SHUT-OFF UNIT 34
8 CHANGING SEALS AND REASSEMBLY 36
8.1 INTRODUCTION 36
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