PRG Best Boy Field Service Manual - Manual (Page 30)

22 BEST BOY 4000 ® SPOT LUMINAIRE FIELD SERVICE MANUAL
EQUIPMENT HANDLING
Proper Lamp Servicing and Operation
Servicing
+ When handling a lamp, hold it by the ceramic base while wearing cotton gloves or finger cots. Do not touch the
glass envelope (bulb). If you touch the glass with bare fingers, wipe off any fingerprints with alcohol.
Heat
+ When lamps are lit, the interior of the luminaires becomes very hot. To aid in the airflow circulation within the
luminaires, after dousing the lamps, wait 5 minutes before removing power to the luminaires. This will provide
enough time for the equipment fan to cool off the unit.
Lamp Life
+ When operating arc lamps, allow luminaires to operate for at least 3 minutes. It takes about 3 minutes for the fill
components (mercury and halogen-metal compounds) in the lamp tubes to vaporize completely. If the lamps are
switched off earlier than 3 minutes, the fill components are partially vaporized. The inadequately vaporized fill
components and the electrode material (tungsten) are deposited in the areas of the lamp tubes that have
remained cool. As a result, the lamp tubes blacken prematurely and reduce the service lives of the lamps.
+ If system will be unattended for more than 3-4 hours, luminaire lamps should be doused.
+ The lamp indicator (available on the menu Home screen) displays total lamp hours. Lamp hours are shown in
green if under threshold, yellow at 650 hours, and red at 750 hours.
It is mandatory that the lamp be changed
before 750 hours.
CAUTION: It is mandatory that the lamp be changed before 750 hours.
Lamp hours