7.4 Cooling Fan and Circulation Fan
YASKAWA ELECTRIC SIEP C710616 27G YASKAWA AC Drive A1000 Technical Manual 401
Periodic Inspection &
Maintenance
7
Removing and Disassembling the Cooling Fan Unit
1. Remove the terminal cover and front covers 1 and 2. Refer to Removing the Terminal Cover on page 69 for
details.
CAUTION! Crush Hazard. Do not completely remove the cover screws, just loosen them. If the cover screws are removed completely,
the terminal cover may fall off causing an injury. Take special care when removing/reattaching the terminal covers for larger drives.
2. Remove the connectors for the cooling fan relay and the circuit board cooling fan.
Figure 7.42
Figure 7.42 Component Names: 4A0930 and 4A1200
3. Loosen screw A (4 count) and screw B (18 count), and slide the panel to the right.
Note: The fan unit can be removed by loosening these screws; they do not need to be removed.
Figure 7.43
Figure 7.43 Removing the Fan Unit: 4A0930 and 4A1200
A – Fan Unit (L) F – Circuit Cooling Fan Case
B – Fan Relay Connector (L) G – Hook
C – Fan Unit (R) H – Circuit Board Cooling Fan
Connector
D – Fan Relay Connector (R) I – Circuit Board Cooling Fan Cable
E – Circuit Board Cooling Fan
A
B
C
D
IE
F
HG
E
F
IGH
Circuit board cooling fan (L)
Circuit board cooling fan (R)
Screw B Screw A Screw B
Screw B Screw B
Screw A
Slide Panel
Screw A
Slide Panel