Emerson Rosemount CT5400, Installation, Operation And Maintenance Manual

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5. Remove and retain the four M5 button head socket screws and associated flat
washers.
6. Lift the cover vertically, clear of the chassis assembly. Set it aside, out of the working
area.
7. Examine the cover for signs of physical damage. If it is undamaged, retain and
reinstall it when all repairs are complete. Minor paintwork may be retouched.
7.8 Removing the bottom cover
To gain access to the electrical, pneumatic, and optical components, it may be necessary
to remove the bottom cover.
Observe all safety precautions before starting this procedure.
DANGER!
ELECTRIC SHOCK
The analyzer operates using mains voltage that is dangerous to life. Make sure that the power
ON/OFF switch at the rear of the panel is set to OFF and tagged off before removing the top
cover.
The analyzer must be earthed.
Death or personal injury may result if this is not observed.
WARNING!
HEAVY ITEM
Handle the analyzer with caution during unpacking, installing, maintaining, and transporting
to prevent crushing of hands, feet, or other body parts.
The analyzer weighs 31 kg (68 lb). Emerson
™
recommends that the analyzer is only moved and
lifted by a minimum of two people. Wear suitable protective gloves and protective footwear.
Failure to properly handle the analyzer may cause injury to personnel.
WARNING!
BURNS
Do not touch any part of the analyzer. Assume all parts of the analyzer are hot unless it has
been switched off and allowed to cool down. Some parts of the analyzer may be heated to
190 °C (374 °F). Always wear proper protective equipment when handling the analyzer.
• Switch off the analyzer and allow it to cool for at least two hours before fitting,
removing, or performing any maintenance.
• The analysis cell is insulated against heat loss. Allow the analyzer to cool for at least
twelve hours before performing any maintenance on, or in the vicinity of, the analysis
cell.
Failure to allow sufficient cooling may cause serious burn injury to personnel. If burns occur,
seek immediate medical treatment.
Troubleshooting and diagnostics
72 Rosemount CT5400