Norma Icon-5 - Open and disassemble aperture; Clean aperture housings; Install ruby in new seal

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TDMG0002 Icon-5 Maintenance Guide – Version: 02 – Release date: 2020-04-27
Open the two aperture halves by
removing the two screws.
The ruby is inside the silicone seal. Carefully remove
it from the aperture half using a tweezer.
Use a damp cloth (immersed into DI water) to clean the sides of the aperture housings.
Make sure all residuals are removed.
Remove the ruby and seat it into the new seal.