-4-Optical Parts Disassembly2 Polarized glass/Optical filter ass'y removalRemove screws-A (M3x6) on each stopper and take the polarized glasses upwardoff.A AAPolarized glass/Optical filter ass'y(Mx)(Mx)(Mx)(Mx)(Mx)Polarized glass-(IN)*Pre-Polarized glass-(IN)Optical filter(HCP)TH901(Thermal sensor)Only the B-Polarized glass/Opticalfilter ass'y provides these parts.Marking Prism sideHolder* Note on handling the polarized glassesPolarized glass-(IN/GB) and Polarized glass-(IN/G) are very sensitive parts. Never touch or wipe the both surfaces. Grabthe edge of the glass by new gloves when handling the polarized glass. When removing the dust on the surface, use a com-mercial (inert gas) air spray to remove them. Never use organic solvents.