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32 MAC III Profile user manual

Lubrication

The MAC III Profile does not require lubrication under normal circumstances. The slides for the zoom and

focus lens cars are lubricated with a long-lasting teflon-based grease that can be reapplied by a Martin

service partner if necessary.

Replacing a color filter

Note: Wear cotton gloves while handling color filters and use only genuine Martin filters.

1. Power the lamp off but leave the fixture powered on with fans running and allow it to cool.

2. The top of the head is above the text on the lamp cover. Lock the head in a convenient position for

access to the top of the head.

3. Remove the two quarter-turn retaining screws (see Figure 19) from the top cover and lift it away from the

head. Let the cover hang on its safety wire or unclip the safety wire and remove the cover completely.

4. See A in Figure 20. Rotate the color wheel until the filter you want to change is accessible. Lift the filter

away from the color wheel slightly to release it, then grasp it by the edges and remove. If your fingers are

too large, protect the glass with a piece of paper that has been folded several times and grasp the filter

with needle nose pliers.

5. To insert a filter, slide it under the retention spring until it snaps into place.

6. If no further service work is to be carried out, reinstall the top cover with its safety wire and release the

tilt lock.

Figure 20: Color filter and gobo replacement

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Martin MAC 300 Bedienungsanleitung Seite 32