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Figures
Figure 1-1. Model 43i Trace Level-Enhanced Flow Schematic......................... 1-3
Figure 2-1. Remove the Packing Material ......................................................... 2-2
Figure 2-2. Removing the Shipping Screws ...................................................... 2-2
Figure 2-3. Rear Panel........................................................................................ 2-4
Figure 2-4. Atmospheric Dump Bypass Plumbing ............................................. 2-5
Figure 2-5. I/O Terminal Board Views ............................................................... 2-6
Figure 2-6. D/O Terminal Board Views.............................................................. 2-7
Figure 2-7. 25-Pin Terminal Board Views.......................................................... 2-8
Figure 3-1. Front Panel Display.......................................................................... 3-2
Figure 3-2. Front Panel Pushbuttons.................................................................. 3-3
Figure 3-3. Flowchart of Menu-Driven Software .............................................. 3-5
Figure 3-4. Pinout of Rear Panel Connector in Single Range Mode ................. 3-8
Figure 3-5. Pinout of Rear Panel Connector in Dual Range Mode.................... 3-9
Figure 3-6. Analog Output in Autorange Mode............................................... 3-11
Figure 3-7. Pin-Out of Rear Panel Connector in Auto-Range Mode ............... 3-11
Figure 4-1. Cylinder Gas Dilution System.......................................................... 4-3
Figure 4-2. Permeation Tube System ................................................................ 4-4
Figure 5-1. Inspecting and Replacing the Capillary........................................... 5-3
Figure 5-1. Inspecting and Cleaning the Fan..................................................... 5-5
Figure 5-2. Rebuilding the Pump........................................................................ 5-7
Figure 6-1. Board-Level Connection Diagram - Common Electronics............. 6-10
Figure 7-1. Properly Grounded Antistatic Wrist Strap ...................................... 7-2
Figure 7-2. Model 43i Trace Level-Enhanced Component Layout .................... 7-6
Figure 7-4. Removing the Measurement Bench and Lowering the Partition
Panel ..................................................................................................................... 7-7
Figure 7-5. Replacing the Pump......................................................................... 7-9
Figure 7-6. Replacing the Fan .......................................................................... 7-10
Figure 7-7. Replacing the Optical Bench ......................................................... 7-12
Figure 7-8. Replacing the Flash Lamp and Flash Trigger Assembly ............... 7-13
Figure 7-9. Replacing the Flash Intensity Assembly ....................................... 7-16
Figure 7-10. Replacing the PMT ...................................................................... 7-17
Figure 7-11. Replacing the PMT High Voltage Power Supply (HVPS) ............ 7-18
Figure 7-12. Replacing the DC Power Supply.................................................. 7-20
Figure 7-13. Rear Panel Analog Input and Output Pins................................... 7-22
Figure 7-14. Replacing the Pressure Transducer Assembly............................ 7-27
Thermo Fisher Scientific
Model 43i Trace Level-Enhanced Instruction Manual
xix
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Troubleshooting
