Thermo Scientific 43i Instruction Manual page 14

Contents
Where to Get Help
Chapter 7
xiv Model 43i Trace Level-Enhanced Instruction Manual
Servicing .............................................................................................................7-1
Safety Precautions ............................................................................... 7-1
Firmware Updates ............................................................................... 7-2
Accessing the Service Mode................................................................. 7-2
Replacement Parts List ........................................................................ 7-3
Cable List............................................................................................ 7-4
External Device Connection Components .......................................... 7-5
Removing the Measurement Bench and Lowering the Partition Panel 7-6
Fuse Replacement ............................................................................... 7-8
Pump Replacement ............................................................................. 7-8
Fan Replacement............................................................................... 7-10
Optical Bench Replacement .............................................................. 7-11
Cleaning the Mirrors......................................................................... 7-12
Flash Lamp Replacement .................................................................. 7-12
Flash Lamp Voltage Adjustment ....................................................... 7-14
Flash Trigger Assembly Replacement ................................................ 7-14
Flash Intensity Assembly Replacement .............................................. 7-15
Photomultiplier Tube Replacement .................................................. 7-16
PMT High Voltage Power Supply Replacement................................ 7-17
PMT Voltage Adjustment ................................................................. 7-19
DC Power Supply Replacement ........................................................ 7-20
Analog Output Testing ..................................................................... 7-21
Analog Output Calibration ............................................................... 7-23
Analog Input Calibration .................................................................. 7-24
Calibrating the Input Channels to Zero Volts ................................ 7-24
Calibrating the Input Channels to Full Scale.................................. 7-25
Pressure Transducer Assembly Replacement...................................... 7-26
Pressure Transducer Calibration........................................................ 7-27
Flow Transducer Replacement .......................................................... 7-29
Flow Transducer Calibration............................................................. 7-30
Heater Assembly Replacement .......................................................... 7-32
Kicker Replacement .......................................................................... 7-33
Thermistor Replacement................................................................... 7-34
Ambient Temperature Calibration .................................................... 7-35
Input Board Replacement ................................................................. 7-36
I/O Expansion Board (Optional) Replacement ................................. 7-37
Digital Output Board Replacement................................................... 7-39
Motherboard Replacement................................................................ 7-40
Measurement Interface Board Replacement ...................................... 7-41
Front Panel Board Replacement........................................................ 7-42
LCD Module Replacement ............................................................... 7-43
Service Locations............................................................................... 7-44
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