Owner's manual

<7 ROUTINE MAINTENANCE> 7-9
IM 11Y01B02-01E-A 4th Edition September 11, 2012-00
•Oncethewindowhasbeenthoroughlycleaned,itshouldbere-installedusingareverseprocedure
as above.
- CAUTION! – Ensure the window is installed in the correct orientation with the
stainless steel ring clamping the window onto the o-ring. Note the window holder
holes a distinct hole pattern and can only t in one rotational position on the cell.
•Carefullyinstallthewindowontothecellandrotatesuchthattheholesalignwiththethreads,hand
tightenthefastenerswithlockwashersinpositionwith7/64”Allenkey...
•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windowisfullyfastened,checkthetransmissionleveltoseeifnormallevelshavebeen
restored and if the measurements now appear normal. If so, replace the enclosure cover and allow
30minutesfortemperaturestabilization.
- CAUTION! – Do not pinch wires between cover and enclosure
- CAUTION! – Do not cross-thread the Phillips head screws into the cover
•ChecktheZeroandSpanwithappropriategases.
•Ifthereisnochangeintransmissionand/ortheresultsarestillnoisy/unexpectedthencontact
Yokogawa for further assistance.