Owner's manual

<7 ROUTINE MAINTENANCE> 7-5
IM 11Y01B02-01E-A 4th Edition September 11, 2012-00
•UsingopticalgradeglasscleanerorIPA,wetthesurfaceofanon-abrasivelint-freetissue.Place
the wetted tissue on the surface of the mirror and drag across the mirror face in one direction only.
Useasecondclean,drytissueandwipeinonedirectiononlytodrythesurface.Inspectfor
cleanliness and if necessary, repeat the process.
- NOTE: If suitable cleaning media are not available then contact Yokogawa service
group and a cleaning kit can be purchased.
•Ifthemirrorcannotbecleanedsuchthattherearenotracesofanylms,dirt,etc.thenitshouldbe
replacedwithanewmirror–contactYokogawaforreplacementparts.
•Oncethemirrorisreadyforre-installationandtheo-ringhasbeeninspected/replaced,thenthe
mirror within its mounting plate can be re-installed.
- Carefully check the mirror surface again from different angles to ensure it is
thoroughly clean before re-installation!
•Therotationalpositionofthemirrorwithinthemountingplateisnotspecic.
•Therotationalpositionofthemountingplateontotheendoftheowcellisalsonotspecic.
•Carefullyinstallthemirrorandmountingplateontothecellandrotatesuchthattheholesalignwith
the threads, hand tighten the fasteners with lock washers in position.
•Usingthe7/64”Allenkeywrench,carefullyhandtighteneachscrewusingadiagonalpatternand
graduallyincreaseeachscrewincrementally–donotfullytightenonescrewatatime,tightenthem
downevenlyandincrementallytoamaximumof18lb/intorque.
•Whenthemirrorisfullyfastened,turnontheanalyzerandcheckthetransmissionleveltoseeif
normallevelshavebeenrestoredandifthemeasurementsnowappearnormal.Becarefulnotto
touch hot surface of the gas cell. If so the transmission level is restored, replace the
insulation end cap and al
low30minutesfortemperaturestabilization.
•ChecktheZeroandSpanwithappropriategases.
•Ifthereisnochangeintransmissionand/ortheresultsarestillnoisy/unexpectedthen
proceed with removal and cleaning of the window.