A SERVICE OF

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8 Maintenance
MITSUBISHI CNC
[3-2] Use the cleaning jigs to clean the air ducts of the spindle motor frame.
Insert the cleaning jigs A and B into the motor frame's air ducts from the counter-load side of the spindle motor,
scrape out the dirt, and wipe it off with wastes, etc.
(4) Assembling
[1] After all the cleaning processes have been completed, attach the cooling fan unit to the motor in the order opposite
to that of the detachment process.
[2] Precautions in installing cooling fan unit
(a) The section where the cooling fan lead wires are led out must be in the state without a space by inserting a
protection tube for the cooling fan. A space could lead to faults of the motor by allowing foreign matters enter
there.
C
C
Spindle motor
Counter-load side of the spindle motor
Counter-load side of the spindle motor
Motor frame's air ducts (cleaning points)
View C-C
Section where the cooling fan
lead wires are led out
Inside the terminal box