Thermo Scientific 146i Instruction Manual page 153

Thermo Fisher Scientific
Preventive Maintenance
Chapter 5
This chapter describes the periodic maintenance procedures that should be
performed on the instrument to ensure proper operation.
Since usage and environmental conditions vary greatly, you should inspect
the components frequently until an appropriate maintenance schedule is
determined. This includes the sample pump and solenoid valves which have
a limited life.
Other operations such as cleaning the optics and checking the pressure
calibration should be performed on a regular basis.
This chapter includes the following maintenance information and
replacement procedures:
• "Safety Precautions"
• "Replacement Parts"
• "Accessing the Service Mode"
• "Outside Case Cleaning"
• "Fan Filter Inspection and Cleaning"
• "Photometer Cleaning"
• "Monitoring Detector Frequency and Noise"
• "Capillary Service"
• "Ozonator Capillary Replacement (Ozonator option)"
• "Pressure Regulator Capillary Replacement"
• "Pump Capillary Replacement (Photometer option)"
• "Pump Rebuilding"
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Model 146i Instruction Manual 5-1