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STRONG “575” Follow Spotlight Type 41000 Rev. April 2001 STRONG INTERNATIONAL a division of Ballantyne of Omaha, Inc. 4350 McKinley Street Omaha, Nebraska 68112 USA Tel 402/453-4444 • Fax 402/453-7238...
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THE STRONG “575” FOLLOW SPOTLIGHT Model 41000 is an AC follow spot complete with lamphouse, igniter, power supply, optical system, and color boomerang. It is designed for use with the 575 watt metal halide bulb, Strong part number 41102. THE “575” LAMPHOUSE has a deep ellipse cold-coated metal reflector designed to operate in a fixed position, with the bulb mounted horizontally in the lamphouse.
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AC circuit in the lamphouse and prevents ignition of the bulb if the housing is not in the closed position. COLOR TEMPERATURE REDUCTION filters, required for use with television and videotape, are available from theatrical supply dealers. 575/002...
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2. Masking Shutter Lever 8. Vertical Tilt Locking Lever 3. Iris Control Lever 9. Lamp “OFF” Switch 4. Color Boomerang 10. Lamp “ON” Switch 5. Spot Size Control Handle 11. Elapsed Time Meter 6. Spot Focus Control Knob Leveling Feet not shown 575/003...
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SETTING UP SPOTLIGHT THE “575” FOLLOW SPOT is shipped in sections which must be assembled. ASSEMBLE the four base legs to the square section of the center tube, using the 3/8-16 by 2-3/4 inch hex head cap screws and 3/8 inch split ring lockwashers to secure each leg. Insert a leveling foot and locknut in each of the four legs.
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“RESET” position. Press the green “ON” switch at either the power supply or at the lamphouse and the bulb will ignite. ALLOW THE BULB to heat up for two or three minutes to reach full brightness, then proceed with the following instructions for alignment of the bulb with the reflector. 575/005...
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LOOSEN THE TWO THUMB SCREWS, one on either side of the center focusing section, just enough to permit manual movement of the complete assembly. The bulb adjustment control will now move around these two spring-loaded thumb screws. 575/006...
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BULB LIFE can be maximized by avoiding repeated ignitions. Allow the lamp to burn throughout the spotlight’s use cycle, dousing out with the masking shutter blades or fadeout mechanism as required. RECORD the elapsed time meter reading when replacing a bulb. 575/007...
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(away from operating side). CAUTION ULTRAVIOLET RADIATION is emitted when the bulb is ignited. Wear protective clothing and goggles or glasses when adjusting the shutter blades or performing any service with the optical system housing removed. 575/008...
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Moving the large lens to its center of travel and then adjusting for a sharp edge should give satisfactory results for the full movement of the lens system. 575/009...
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The two split rivets holding the color disc assembly can now be removed and a new color disc assembly installed. Only the six above-mentioned color discs are supplied with the boomerang; additional colors are available from theatrical supply dealers. 575/010...
THE INSIDE of the lamphouse and lens mechanism and the blowers should be cleaned periodically, depending on the dust conditions at each installation. The blower blades need cleaning to remove the dust build-up that accumulates over a period of time. THE FOLLOW SPOT does not require any lubrication. 575/011...
Lockwasher, 5/16" Split 01759 Set Screw, ¼-28 x 3/8" Dog Point 49191 Collar, Inner Tube 41123 Base Pan Saddle 10730 Screw, ½-13 x 1-1/4" Hex Head 01680 Nut, (FlexLock) ½-13 Hex 00843 Washer, ½" Flat PARTS NOT SHOWN 34014A Caster 575/024...
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FIGURE 4 Color Boomerang Assembly 575/025...