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Section 2: Service Guidelines
2.4
Lamp Precautions
EXPLOSION HAZARD! Wear authorized protective safety gear whenever the lamp
door is open!
Any lamp used in the D4K25 is under high pressure and must be handled with great care at all times. Lamps
may explode if dropped or mishandled.
2.4.1 Wear Protective Clothing
Never open the lamp door unless you are wearing authorized protective clothing such as that included in a
Christie Protective Clothing Safety Kit #598900-095. Recommended protective clothing includes, but may not
be limited to a polycarbonate face shield, protective gloves, and a quilted ballistic nylon jacket or a welder's
jacket. NOTE: Christie's protective clothing recommendations are subject to change. Any local or federal
specifications take precedence over Christie recommendations.
2.4.2 Cool the Lamp Completely
Lamp may explode causing bodily harm or death. Always wear protective clothing
whenever lamp door is open or while handling lamp. Ensure those within the vicinity of
the projector are also suited with protective clothing. 3) Never attempt to access the
lamp while the lamp is ON. Wait at least 10 minutes after the lamp turns OFF before
powering down, disconnecting from AC and opening the lamp door.
The lamp operates at a high pressure that increases with temperature. Failure to allow the lamp to sufficiently
cool prior to handling increases the potential for an explosion causing personal injury and/or property damage.
After turning the lamp OFF, it is crucial that you wait at least 10 minutes before disconnecting AC and
opening the lamp door. This provides enough time for the cooling fans to properly cool the lamp. Ensure the
lamp is completely cooled before handling and always wear protective clothing!
2.5
Cooling
The D4K25 high-intensity lamp and electronics rely on a variety of cooling components to reduce internal
operating temperatures. Regular inspection and maintenance of the entire cooling system is critical to prevent
overheating and sudden projector failure and helps to ensure reliable operation of all projector components
over time.
2-4
D4K25 Service Manual
020-100880-01 Rev. 1 (06-2012)
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