“Confidential, Do Not Duplicate without written authorization from NEC.”
14-3
REPLACEMENT OF THE LAMP HOUSE AND BULB
Warning 3:
The lamp house in operation is considerably hazardous. Handle the lamp house after letting it cool to room
temperature for burn prevention.
As a lamp bulb cooling guideline, wait for more than 60 minutes after fan stops by turning off the lamp, then
handle the lamp house after ensuring that the lamp bulb and lamp house cool down sufficiently.
This electrode up This electrode down
Warning 4:
Constantly pressurized lamp bulb poses the risk of a burst. Lamp bulb dropping, even 10 cm in height, may
result in a burst. In addition, the impact between the bulb and the metal part of the lamp cover or other hard
parts may result in a burst.
When system maintenance is performed, be sure to wear a protection mask, protection gloves, and long-
sleeved heavy clothes, and handle the lamp bulb after letting it cool to room temperature to avoid injuries and
damages to the system.
Caution 1:
Never touch the glass parts of the lamp bulb. Failure to observe this may degrade the performance and life
of the lamp bulb. In case of touching with hand or becoming dirty, wipe the part with clean MIRACLE CLOTH
containing dehydrated alcohol. MIRACLE CLOTH is available as a service part with the product number
shown below.
MIRACLE CLOTH: (92339585)
Caution 2:
The use of a lamp bulb other than specified one or an unauthorized modified lamp bulb may result in serious
malfunctions or defects in safety and quality. Be sure to use the specified lamp bulb and follow this instruction
manual and the cautions.
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