Mitsubishi Electric MDS-E Series Instruction Manual page 465

MDS-E/EH Series Instruction Manual
8 Maintenance
< For the spindle motor SJ-VL Series>
(1) Detaching the cooling fan unit
Remove the cooling fan unit from the spindle motor.
[1] Disconnect the cooling fan's terminals from the terminal block (See the diagram below).
(BU, BV and BW) for three-phase
(BU and BV) for single-phase
[2] Detach the cooling fan unit from the spindle motor.
Remove the four hexagon socket screws used to secure the cooling fan unit to the spindle motor.
Cooling fan unit
When slowly removing the cooling fan unit from the spindle motor, also unplug the fan drive cable slowly with the
rubber packing left in the terminal box.
(Note 1) Pull out the solderless terminals one by one as the hole on the terminal box is small.
(Note 2) Take extra care not to damage the cable.
IB-1501229-F
Spindle motor
Cooling fan terminals
A
Finger guard
A
Spindle motor
Terminal box
Fan drive
cable
Terminal box inside
Rubber packing
Fan drive cable
Hexagon socket screws at four locations.
View A-A
Terminal box
434
Fan drive
cable