Yokogawa Extractive Oxygen Gas Analyzer TDLS220 - Manual (Page 57)

<7 ROUTINE MAINTENANCE> 7-4
IM 11Y01B02-01E-A 4th Edition September 11, 2012-00
• Visually inspect the o-ring and replace if necessary.
• Cleaning of the mirror should be performed as follows while taking great care not to scratch the
surface of the mirror.
• First, any loose impediments and dirt should be blown off the surface using a clean compressed
gas source. Take care not to spray liquid propellants onto the mirror surface!