Repair
Repair Repair
Repair
Overtemperature Overtemperature
Overtemperature
Switch Switch
Switch
1.PerformShutdown,page46.
2.Waitforheaterstocool.
3.Removeheatercover(10).
4.Disconnectovertemperatureswitches(209)from
cable(46).Testacrossspadeterminalswith
ohmmeter.
a.Iftheresistanceis is
is
not not
not
approximately0ohms,
theovertemperatureswitchneedstobe
replaced.Gotostep5.
b.Iftheresistanceis is
is
approximately0ohms,
inspectcable(46)toensureitisnotcut
oropen.Reconnecttheovertemperature
switch(209)andcable(46).Disconnect
cablefromTCM.Testfrompin1to3and
1to4.Ifresistanceisnotapproximately0,
andswitchesare0.Replacecableinplace
oforiginalcable.
5.Ifswitchfailstest,removescrews.Discardfailed
switch.Applyathinlayerofthermalcompound
110009,installnewswitchinsamelocationon
housing(201),andsecurewithscrews(213).
Reconnectcables.
66 333024S
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