Yokogawa PK200 - Manual (Page 3)

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CONTENTS
IM 21B03D01-01E
6. MAINTENANCE ............................................................................................. 6-1
6.1 Overview ............................................................................................. 6-1
6.2 Periodic Inspection .............................................................................. 6-1
6.2.1 Cleaning the Restrictor ................................................................. 6-1
6.3 Parts Replacement .............................................................................. 6-1
6.3.1 Replacing the Screen Filter .......................................................... 6-1
6.3.2 Replacing the Controller Relay .................................................... 6-2
6.3.3 Replacing the Amplifier Assembly ............................................... 6-2
7. TROUBLESHOOTING ................................................................................... 7-1
7.1 Overview ............................................................................................. 7-1
7.2 Operation Principle .............................................................................. 7-1
7.3 Troubleshooting Flow .......................................................................... 7-2
Appendix A. AIR SUPPLY SYSTEM ................................................................ A-1
INSTALLATION AND OPERATING PRECAUTIONS FOR TIIS INTRINSICALLY
SAFE EQUIPMENT ............................................................................. Ex-A03E
INSTALLATION AND OPERATING PRECAUTIONS FOR TIIS FLAMEPROOF
EQUIPMENT ........................................................................................ Ex-B03E
Customer Maintenance Parts List
Model PK200 Current-to-Pneumatic Converter .............. CMPL 21B03D01-01E
Revision Record