“Confidential, Do Not Duplicate without written authorization from NEC.”
14-5
REPLACEMENT OF THE LAMP HOUSE AND BULB
5. Fill in the operating time of the lamp bulb that you noted down on the "Lamp replacement time" label stuck to
the front side of the lamp cover. If the total operating time on the label is more than 8,000 hours, this means
the recommended replacing time for the reflector. In this case, replace the lamp bulb together with the
reflector. However, if users manage the lamps independently in a movie theater or the like, for example,
replace the reflector when the total operating time of the lamp bulb specified on the "Lamp operating time"
management table or the "Lamp replacement time" label has exceeded 8,000 hours, whichever is earlier.
We do not guarantee against any degradation in luminance and other performance if lamp house replacement
is not performed after the lamp house has been used for more than 8000 hours.
650
920 870
Lamp replacement time
Enlarged
6. Remove the screw securing the core wire from the lamp bulb at the outlet side with a 17 mm socket wrench
to remove the core wire from the lamp house.
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