Repair
Repair Repair
Repair
Circuit Circuit
Circuit
Breaker Breaker
Breaker
Module Module
Module
1.SeeBeforeBeginningRepair,page49.
2.Usinganohmmeter,checkforcontinuityacross
circuitbreaker(toptobottom).Ifnocontinuity,
tripbreaker,reset,andretest.Ifstillnocontinuity,
replacebreakerasfollows:
a.RefertoElectricalSchematics,page103,
andcircuitbreakertable.
b.FollowShutdowninstructions.See
Shutdown,page46.
c.Refertocircuitbreakeridentió°˜°cationtable
andelectricaldiagramsinReactorrepair
manual.
d.Loosentwoscrewsconnectingwiresandbus
bartocircuitbreakerthatwillbereplaced.
Disconnectwires.
e.Pulllockingtabout1/4in.(6mm)andpull
circuitbreakerawayfromthedinrail.Install
newcircuitbreaker.Insertwiresandtighten
downallscrews.
Circuit Circuit
Circuit
Breakers Breakers
Breakers
Ref. Ref.
Ref.
Size Size
Size
Component Component
Component
CB01
50AHeatedHose
CB02
20A
MotorControlModule
(MCM)
CB03
40A
ISOHeater
CB04
40A
RESHeater
CB05
40A
HoseHeatTransformer
333024S 59