Servomex 1100A - Table of Contents

5.1
SECTION 5 : FAULT FINDING AND REPAIR
LIST OF CONTENTS
SECTION PAGE
5.1 DIAGNOSTIC FLOW CHARTS ............................................... 5.4
5.1.1 Initialisation of Tests (Restart) ......................................... 5.4
5.2 DIAGNOSTIC TESTS ..................................................... 5.19
5.2.1 Oxygen Transducer ................................................ 5.19
5.2.2 Power Supply Unit Test ............................................. 5.21
5.2.3 Heater Resistance ................................................. 5.23
5.2.4 Keyboard Encoder Test ............................................. 5.24
5.3 REPAIR ................................................................ 5.26
5.3.1 Repair Equipment and Tools ......................................... 5.26
5.3.2 Servicing the Magnet Assembly of 1131, 1132 and 1133 ................... 5.27
5.3.3 Setting Mechanical Zero ............................................. 5.33
5.3.4 Leak Testing ...................................................... 5.33
5.3.5 Replacement of Heaters and Thermal Fuse .............................. 5.34
5.3.6 Repair of Control/Interface Unit ....................................... 5.36
5.4 SAMPLING SYSTEM REPAIR .............................................. 5.40
5.4.1 Dry Gas Sampling System 1161 ....................................... 5.40
5.4.2 Wet Gas Sampling System 1162 ...................................... 5.42
5.5 FIGURES AND CIRCUIT DIAGRAMS ........................................ 5.43