Pictures : instrument assembly:(B) Remove the position detector lower periscope.

Pictures: instrument assembly:(B) Remove the position detector lower periscope.

(B) Remove the position detector lower periscope.

Description:	Note that the Light-Lever-Standoff-Spacer is asymmetric and that it is installed so the 5/16" hole for the periscope is closer to the Prism Box than to the Optical Rail. This section will be covered with tape to protect the optics from dirt and splashed buffer.
Category:	instrument assembly
Assemblies:	Lower optical train

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