Repair
Replace Replace
Replace
Fans Fans
Fans
Shutdownsystemtoavoidelectricshock.Toavoid
burns,donotperformmaintenanceonthefanuntil
thesystemhasreachedambienttemperature.
Replace Replace
Replace
Motor Motor
Motor
Fan Fan
Fan
1.PerformShutdown,page46.
2.Opencabinetdooranddisconnect
fancablesfromterminalblocks.See
ElectricalSchematics,page103.
3.Removefourscrews(21)frommotorcover(11).
Ifnecessary,foldframe(1)toremovemotor
cover(10).SeeRepairDriveHousing,page55,
steps1–10.
4.Cuttiewrapstoremovecable.
5.Removenuts(39),screws(22),washers(34)
andfan(32).Installnewfaninreverseorder.
Note
Ensurefan(32)blowsontomotor.
Figure8
Replace Replace
Replace
Electrical Electrical
Electrical
Enclosure Enclosure
Enclosure
Fan Fan
Fan
1.PerformShutdown,page46
2.Openelectricalenclosuredoor(401).Loosen
fournuts(421)andremovefan(404).
3.Installnewfan(404)inreverseorderof
disassemblysothatthefanblowsoutofthe
electricalenclosure.
Figure9
62 333024S