7.2Cleaning Mirror and Lens

Note:

Mirror surfaces should only be cleaned if

 

necessary, as too frequent cleaning reduces the

 

life of the mirrors (surface silvering). Slight dust

 

does not visibly affect image quality.

1)Pull off the control knobs ➪ photo.

2)Remove all four screws ➪ photo with hex. socket wrench SW3 and carefully lift off optics’ cover.

Attention!:

Ensure that BNC and S-VHS plugs are not damaged.

3)Remove dust from mirrors 1 and 2 ➪ photo, using lens cleaning brush and, if necessary, lens cleaning tissue and some alcohol.

4)Push lens yoke ➪ photo to the left out of its lock and swing away.

 

lens

mirror

mirror

 

lens yoke

5)Take out lens ➪ photo. Clean front- and rear lens with lens cleaning tissue.

6)Re-insert lens.

7)Ensure that the driver pin catches in the lens groove.

8)Swing lens yoke into position and lock.

9)Carefully reattach optic cover and fasten with four screws.

10)Reattach control knobs.

Service and Maintenance

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