Repair
Replace Replace
Replace
RTD RTD
RTD
1.PerformShutdown,page48.
2.Waitforheatertocool.
3.Removeheatercovers.
4.Cutcabletiesaroundthewovenwrapwiththe
RTDcable(512).
5.DisconnectRTDcable(512)fromTCM(453).
6.Loosenferrulenut(N).RemoveRTD(512)from
heaterhousing(501),thenremoveRTDhousing
(H).Donotremovetheadapter(206)unless
necessary.Ifadaptermustberemoved,ensure
thatmixer(510)isoutofthewaywhenreplacing
theadapter.
7.RemoveRTDcable(512)fromwovenwrap.
8.ReplaceRTDcable(512).
a.ApplyPTFEtapeandthreadsealanttomale
pipethreadsandtightenRTDhousing(H)
intoadapter(506).
b.PushinRTD(512)sotipcontactsheater
element(508).
c.HoldingRTD(512)againstheaterelement,
tightenferrulenut(N)3/4turnpast
nger-tight.
9.Routewires(S)asbeforethroughwovenwrap
andreconnectRTDcable(512)totheTCM.
10.Replaceheatercovers.
11.Followstartupinstructionsintheoperation
manual.TurnonAandBheatsimultaneously
totest.Temperaturesshouldriseatsamerate.
Ifoneislow,loosenferrulenut(N)andtighten
RTDhousing(H)toensureRTDtipcontacts
theheaterelement(212)whenferrulenut(N)is
retightened.
Figure7
334946H 61