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5.5 Disassembly and assembly
(1) Remove the cover
of terminal box
on the top of the
fan case.
(2) Disconnect the
cables and leads
coming from the
electric enclosure.
a) 3 motor main leads
(U, V and W).
leads (BU and
BV).
d) Cable connected
(3) Remove the ex-
ternal connector
from the con-
nector bracket.
Disengage the
internal con-
nector.
(4) Remove the P.C.
board mounting
pan head screws
to remove the
P.C. board.
(5) To assemble,
perform the
reverse steps.
of SJ-J type AC spindle motor
Fin case
to external connector of P.C. board.
Card mounting pan head screw
External
connector
External connector
bracket
Terminal box cover
Internal connector
Lead protection
packing
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Troubleshooting
