High End Systems SHOWGUN Cleaning the Showgun Fixture, Microfresnel Lens, Achromatic Lens

CHAPTER 5

Maintenance and Troubleshooting

Cleaning the SHOWGUN® Fixture

All glass parts should be cleaned with using a mild glass cleaner (containing no ammonia) and a soft, lint-free cotton cloth.

You can use a diffusion cleaning applicator (HES p/n 90901001) to access and clean the outside of the Dual Acromat lens, lithos, color and soft edge flags.

Microfresnel Lens

You can clean both sides of the Microfresnel lens without removing it from the fixture.

1.Using your DMX console, set the Zoom parameter to fully extend the lens.

2.Remove power and, after allowing the fixture to cool, loosen two captive screws to remove the the lamp housing door on the same side as the lamp blower exhaust.

3.Rotate the head and clean the outside of the lens.

4.Reach inside the head to clean the back side of the lens.

5.Replace the door, and apply power to re-home the fixture.

Achromatic Lens

1.The Achromat consists of two air-spaced optical lens components. Loosen the thumb screw and, holding both lenses, remove them from the fixture.

2.Separate to clean.

3.Reassemble the lenses. The double convex fits against the concave side of the top lens. Align the arrow to point toward the top lens.

4.Replace the lenses with the double convex

on the bottom toward the lamp.

5.Tighten the thumbscrew. The lens will fit loosely.

SHOWGUN® User Manual 43