Metrohm NIRS XDS Process Analyzer – DirectLight/NonContact - Manual (Page 122)

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2. Using a large, flat-bladed screwdriver, open
the door latches. Turn counter- clockwise
to open. When open, the slot is vertically-
oriented.
A coin may be used if a large screwdriver is
not available.
3. The lamp may be very warm. Give it at
least 15-20 minutes to cool down before
attempting replacement.
The lamp housing is the stainless steel
cover in this photo. Note the four (4)
captive thumbscrews.
When the housing is cool to the touch,
loosen the four thumbscrews.
4. Carefully lift the cover off as shown. The
lamp is now visible.
Observe that the lamp has a quartz
window over it, fastened to the bracket. Be
very careful of this window when replacing
the lamp.