A SERVICE OF

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8 - 9
MDS-D2/DH2 Series Instruction Manual
8.1 Periodic Inspections
(b) Draw the lead wires including the protection tube of the cooling fan unit into the terminal box not to project at
the back side of the motor. Failure to observe this could lead to breakage of the lead wires.
(c) When installing the three lead wires (BU, BV, and BW) of the cooling fan to the one-touch terminal block, do
not mistake the terminal connections. Improper connection could lead to breakage or malfunction.
(d) Make sure not to pinch the cooling fan lead wire when installing the terminal box cover. Failure to observe this
could lead to electric shocks.
[3] After attaching the unit, perform a test run to check the air blow direction of the fan, etc.
Spindle motor
Cooling fan unit
Back side of the motor
Lead wires including the protection tube must
not project at the back side of the motor
Spindle motor
Cooling fan unit
Exhaust