Repair
Replace Replace
Replace
Power Power
Power
Supply Supply
Supply
1.PerformShutdown,page49.
2.Disconnectinputandoutputcablesfrom
bothsidesofthepowersupply(805).See
ElectricalSchematics,page94.
3.Insertaatheadscrewdriverinthemounting
tabonthebottomofthepowersupply(805)to
removefromthedinrail.
4.Installnewpowersupply(805)inreverseorder.
Figure1024VDCPowerSupply
Replace Replace
Replace
Surge Surge
Surge
Protector Protector
Protector
1.Loosenconnectionsonterminals1and3on
CB13.SeeElectricalSchematics,page94.
2.Loosenconnectionsoninputtopower
supply(805)onNandLconnections.See
ElectricalSchematics,page94.
3.Removetwoscrews(612),washers(611),and
surgeprotector(705)fromenclosure.
4.Installnewsurgeprotector(705)inreverseorder.
Note
Wireonboththecircuitbreakerandpower
supplyareinterchangeable.
Figure11SurgeProtector
Replace Replace
Replace
TCM TCM
TCM
1.FollowBeforeBeginningRepair,page51.
2.Opentheelectricalenclosureanddisconnectall
cablesfromtheTCM(602).
3.Removethenuts(610)andTCM(602).
Figure12ReplaceTCM
334946C 65