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FOCUS AND X-Y ADJUSTMENT INSTRUCTIONS
7. Readjust the focus switch to set the desired beam spread.
8. Replace the front cowl; reposition the lamphead and resecure the position locking fasteners.
Allow the blowers to operate for at least (15) minutes after extinguishing the arc. This measure is
required by the bulb manufacturer to comply with bulb warranty conditions.
In order to insure maximum bulb life, the following procedures should be followed every 75-100 hours of
operation.
If the fixture is used in a position other than pointed within 15% of vertical, the bulb should be rotated
1/3 of a turn to insure even deposition of the vaporized tungsten generated by the arc
ADJUSTMENT PROCEDURES
1. Refer to the instructions for removal and installation of the bulb, noting all warnings.
2. Follow the disassembly procedure for a fixture with the bulb installed steps 1 thru 5.
3. When rotating the bulb for removal, continue LIGHTLY pressing rearward on the bulb.
of the bulb will ride out of their current leads and drop into the next set of threads in the receiver
block. When this happens, you will feel the bulb drop down into the receiver block.
4. Immediately stop turning the bulb and reverse direction to screw the bulb in at the new
orientation.
5. Complete reinstalling the bulb per the bulb installation procedure.
POWER LEVEL ADJUSTMENT
Check the output power level of the system and readjust as necessary.
not exceeding 210 amperes, may enhance bulb ignition at its new position following rotation.
ten to twelve hours of operation at the increased current, the arc will re-establish, and current may be
returned to the previous level.
Output may be increased to maintain light output as the bulb ages, but output must remain below
210 amperes. SEE POWER ADJUSTMENT PROCEDURES preceding.
It is recommended to remove the xenon bulbs before moving the SEL10. While there is little explosion
danger in moving the units with properly cooled bulbs and all lamphead covers in place, the bulb
manufacturer may not honor warranty claims on bulbs broken during transport.
circumstances should the units be moved until the bulbs have cooled to ambient temperatures.
See the illustration facing Page 1 for the recommended method of securing the SEL10 for transport.
Raise the lamphead to the full vertical position and replace the upper clamping knob as shown.
Rotate the lamphead to align the yoke with the transport support mechanism and raise the hinged
plate. Secure the yoke in position using the (2) headless set screws. Tie-down brackets mounted to the
upright members of the yoke provide additional points to secure the lamphead if desired.
10
(continued)
XENON BULB MAINTENANCE
BULB ROTATION
TRANSPORTING THE SEL10
inside the bulb.
The threads
A temporary current increase,
After
Under no
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