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9 Maintenance
9.1 General Maintenance
Refer to Chapter 10, Safety Assurances and Precautions, when performing the following
procedures.
Warning: At no time should the cover be removed unless the power is switch-off
first. When it is necessary to service the instrument with the power applied, ensure
that proper safe environmental conditions exist and that such maintenance is
authorized and pursuant to safe conditions.
Some internal electronic repairs may be performed on the LumaSense E
without requiring re-calibration to the factory standards, but many components are matched
and temperature compensated and cannot be replaced in the field without factory re-
calibration.
Repairs that can be performed without affecting instrument performance are:
•
Replacement of MOV components on the power supply and Terminal Output
boards.
•
Repairs to the Output terminal board, heater assemblies, interconnecting cables,
connectors, eyepiece and lens.
9.1.1
Chopper Motor Repair
The primary failure mode of the chopper motor is bearing failure. It can be identified by
listening for an excessive whining noise as it runs. Replacement is recommended and must be
performed at the factory.
Troubleshooting guides are included and our staff will provide assistance via FAX, phone or
e-mail.
Any damage to the instrument affecting the optical alignment or critical electronic components
usually requires the instrument to be returned to the factory for repair.
It is recommended that a spare or back up unit be procured with the acquisition of your original
equipment if the QUASAR M8100-EXP is to be used in a critical control installation.
Only the Optical Electronics Package is required as a spare unit.
E
T QUASAR Flare Monitors Operation Manual
2
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T QUASAR M8100-EXP
Maintenance • 51
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