Thermo Scientific 48i Instruction Manual page 19

Figures
Figures
Figure 1-1. Model 48i Trace Level-Enhanced .................................................... 1-3
Figure 2-1. Remove the Packing Material ......................................................... 2-2
Figure 2-2. Removing the Shipping Screws ...................................................... 2-2
Figure 2-3. Model 48i Trace Level-Enhanced Rear Panel ................................. 2-3
Figure 2-4. Atmospheric Dump Bypass Plumbing ............................................. 2-4
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 .................................................................. 3-2
Figure 3-3. Flowchart of Menu-Driven Software .............................................. 3-5
Figure 3-4. Pin-Out of Rear Panel Connector in Single Range Mode ............... 3-8
Figure 3-5. Pin-Out of Rear Panel Connector in Dual Range Mode ................ 3-10
Figure 3-6. Analog Output in Auto Range Mode ............................................. 3-11
Figure 3-7. Pin-Out of Rear Connector in Auto Range Mode .......................... 3-12
Figure 4-1. Dilution System Schematic ............................................................. 4-4
Figure 4-2. Internal Zero and Span Valve Plumbing .......................................... 4-6
Figure 4-3. Plumbing Configuration for Mulit-Point External Calibration ......... 4-7
Figure 4-4. Plumbing Configuration for Single-Point Internal Calibration ........ 4-8
Figure 5-1. Cleaning or Replacing the Capillaries ............................................. 5-4
Figure 5-2. Inspection and Cleaning the Fan ..................................................... 5-5
Figure 5-3. Rebuilding the Pump........................................................................ 5-7
Figure 6-1. Board-Level Connection Diagram - Common Electronics ............... 6-9
Figure 6-2. Board-Level Connection Diagram - Measurement System .......... 6-10
Figure 7-1. Properly Grounded Antistatic Wrist Strap ...................................... 7-3
Figure 7-2. Component Layout ........................................................................... 7-6
Figure 7-3. Removing the Measurement Bench and Lowering the Partition ... 7-7
Figure 7-4. Replacing the Rear Panel Fan ......................................................... 7-9
Figure 7-5. Replacing the Bench Fan ............................................................... 7-10
Figure 7-6. Replacing the IR Source ................................................................ 7-12
Figure 7-7. Removing the Motor ...................................................................... 7-13
Figure 7-8. Replacing the Optical Bench ......................................................... 7-15
Figure 7-9. Replacing the Optical Switch (Inverted View) .............................. 7-17
Figure 7-10. Replacing the Detector/Preamplifier Assembly ......................... 7-19
Figure 7-11. Replacing the Pump ..................................................................... 7-21
Figure 7-12. Replacing the Pressure Transducer ............................................. 7-22
Thermo Fisher Scientific Model 48i Trace Level-Enhanced Instruction Manual xv