2. HARDWARE
B−63085EN/02
146
WARNING
When opening the cabinet and replacing a fan motor, be
careful not to touch the high −voltage circuits (marked and
fitted with an insulating cover).
Touching the uncovered high−voltage circuits presents an
extremely dangerous electric shock hazard.
Ordering code Required quantity
For units with no expansion slots A90L−0001−0441 2
For units with 2 expansion slots A90L−0001−0423#105 2
1. Before replacing a fan motor, turn off the power to the CNC.
2. Unplug the connector of a fan motor to be replaced ((1) of Fig. a). The
connector is latched. So, when unplugging the connector, hold down
the latch placed at the lower part of the connector with a flat−blade
screwdriver.
3. Detach the latch securing the fan motor, then demount the fan motor
((2) of Fig. a).
4. Insert a new fan motor into the fan case ((3) of Fig. a), then reconnect
the connector.
Fig. a
(1) Connector
(2) Fan
(3) Fan case
Note) Install a fan so that it flows air in the upward
direction. (Face the label upward.)
2.10
REPLACING FAN
MOTORS
D Fan ordering information
Replacement procedure
D For units with no
expansion slots and
units with 2 expansion
slots