Figure 2-6. Removing The Retaining Ring; Figure 2-7. Assembly Order Of Filter Holder Parts - Sutter Instrument LB10-3 Operation Manual

Optical filter changer

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Figure 2-6. Removing the retaining ring.

The threaded retaining ring has two notches cut into it, 180 degrees apart. Place the notched

end of the brass spanner wrench (Figure 2-6, right) into the notches on the retaining ring

and carefully turn it counter-clockwise to unscrew it.

Once the retaining ring is removed, the spacer (and blank, if present) should be easily

removed. You should become familiar with the assembly of this retaining system. In

particular, you should develop a feel for turning the retaining ring without pushing down on

the driver or wrench. This is important because if you forcefully push on the filter holder

while you are trying to load a filter, you run the risk of scratching the filter if the tool slips

out of place!

Place the desired filter into the filter holder, first. With some 1" filters extra care must be

taken to avoid getting the filters jammed at an angle.

Next, install the spacer ring into the filter holder. Unless the filter thickness precludes the

use of the spacer ring (see Figure 2-6 and Figure 2-7), always install the spacer. This helps to

LAMBDA 10-3 OPERATION MANUAL – REV. 3.03 (20110829)

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