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Martin® ELP WW IP User Manual 13
Changing the lens tube
Four different lens tubes with fixed beam angles of 19°, 26°, 36° or 50° are available for the fixture.
Two zoom lens tubes with either 15°-30° or 25°-50
°
zoom ranges are also available. All lens tubes
are available in black or white finish. S
ee ‘Ordering Information’ on page 35 for ordering details.
To change the lens tube, refer to the diagram below:
1. Hold the front of the lens assembly with one hand so that it cannot fall out.
2. Remove the thumbwheel screws (2) and (3) on the top and bottom of the lens tube. The top
screw also has the focusing knob attached.
3. Slide the lens tube forward out of the fixture.
4. Slide in the new lens tube (1).
5. Reinstall the thumbwheel screws (2) and (3). For the top screw (2), make sure that the
focusing knob is in place on the screw with the gear teeth on the underside. Rotate the
focusing knob until the gear teeth mesh with the bar on the lens tube housing.
6. Tighten the thumbwheel screws.
1
2
3