Thermo Scientific TVA2020, Instruction Manual

Page: 97 / 190

Thermo Fisher Scientific TVA2020 Instruction Manual 5-1
Chapter 5
Preventive Maintenance
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, the components should be inspected
frequently until an appropriate maintenance schedule is determined.
Thermo Fisher Scientific suggests that you return the entire instrument to
the factory or an authorized service center once a year for cleaning, testing,
and calibration.
This chapter includes the following maintenance information and
replacement procedures:
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“ Safety Precautions ” on page 5-2
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“ Replacement Parts ” on page 5-2
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“ Battery and Battery Charger ” on page 5-2
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“ Hydrogen Gas Tank ” on page 5-4
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“ Cleaning the PID Lamp ” on page 7-9
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“ Cleaning an FID Cartridge ” on page 5-7
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“ Cleaning the FID Detector Cap ” on page 5-9
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“ Cleaning the FID Detector Cavities ” on page 5-10
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“ Replacing Water Trap Probe Filter and O-Rings ” on page 5-11
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“ Cleaning or Replacing a Sintered Metal Filter Cup ” on page 5-13
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“ Replacing the Charcoal Filter ” on page 5-14