Metek 933 - Page 6

vi | Model 933 UV Analyzer
CHAPTER 5 CALIBRATION ................................................................................................. 5-1
Manual Span Gas Calibration ....................................................................................... 5-1
Analog Output Calibration ............................................................................................ 5-4
Current Calibration .................................................................................................. 5-4
Voltage Calibration ................................................................................................... 5-6
CHAPTER 6 MAINTENANCE AND TROUBLESHOOTING............................................... 6-1
Safety Considerations ..................................................................................................... 6-1
Preventive Maintenance ................................................................................................6-2
Analyzer Preventive Maintenance Schedule ....................................................... 6-3
Preventing, Detecting, and Locating a Plug in the Sample System .................6-5
Changing Out Replaceable Parts ........................................................................... 6-6
Measuring Cell Maintenance ............................................................................... 6-7
Column Block Maintenance ...............................................................................6-15
Source Lamp Replacement ..................................................................................6-21
When Do Source Lamps Need to be Replaced? ............................................6-21
About the Source Lamps ..............................................................................6-22
Replacing the Source Lamps ........................................................................6-22
When is an Auto-Setup Required / Not Required? ......................................6-27
PMT Level and PMT Balance .....................................................................6-28
Auto-Setup Fault Message and Corrective Action ......................................6-29
The Auto-Setup Sequence ............................................................................6-29
Cancel Auto-Setup ....................................................................................... 6-30
Manipulating the PMT Level and PMT Balance ........................................ 6-31
Source Lamp Alignment ..............................................................................6-33
Natural Gas Filterblock Maintenance ................................................................6-35
Filtration Stages ...........................................................................................6-36
Vent Flow .....................................................................................................6-36
Replacing Parts in the Filterblock ................................................................6-37
Chopper Assembly Maintenance ........................................................................6-42
Examining and Caring For the Flamepaths ....................................................... 6-50
Upper/Lower Electronics Enclosure Flamepaths (Joining Surfaces) ..................6-51
Troubleshooting and Diagnostics ............................................................................... 6-52
Host Controller Board Alarm Conditions and Corrective Action ..................6-54
Microcontroller Board Alarm Conditions and Corrective Action ..................6-62
Analyzer Reset ........................................................................................................ 6-70
CHAPTER 7 SERVICE AND PARTS .................................................................................... 7-1
Technical Support ............................................................................................................ 7-1
Returning Equipment ..................................................................................................... 7-2
?? ANSWERS TO YOUR QUESTIONS ?? ................................................................... 7-3
AMETEK SERVICE and AFTERMARKET SALES SUPPORT ............................7-3
Recommended Preventive Maintenance Spare Parts ............................................... 7-4
Optical Bench/Sample System Spare Parts ........................................................... 7-4
Spare Analyzer Fuses ............................................................................................... 7-6
Replacement Boards................................................................................................. 7-7
Ordering a Hard Copy of the Analyzer Operator’s Guide ............................... 7-7