Thermo Electron Corporation Model 48i Instruction Manual 7-1
Chapter 7 Servicing
This chapter explains how to replace the Model 48i subassemblies. It
assumes that a subassembly has been identified as defective and needs to be
replaced.
For fault location information refer to the “Preventive Maintenance”
chapter and the “Troubleshooting” chapter in this manual.
The service mode described in the “Operation” chapter also includes
parameters and functions that are useful when making adjustments or
diagnosing problems.
For additional service assistance, see “Service Locations” at the end of this
chapter.
This chapter includes the following parts information and component
replacement procedures.
“Safety Precautions” on page 7-3
“Firmware Updates” on page 7-3
“Replacement Parts List” on page 7-4
“Cable List” on page 7-5
“Fuse Replacement” on page 7-8
“Fan Replacement” on page 7-9
“IR Source Replacement” on page 7-10
“Filter Wheel Replacement” on page 7-11
“Chopper Motor Replacement” on page 7-13
“Optical Bench Replacement” on page 7-14
“Optical Switch Replacement” on page 7-15
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