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Page 5-8
GNS 400W Series Maintenance Manual
Rev. A
190-00356-05
5.4.2.4 Replacing the Fan (Figure 5-5; all units)
Removing the Fan
1.
Separate the Main and Nav Chassis.
2.
Disconnect the Red and Black Fan Wires (1) from the Main Board.
3.
Remove three screws (2) attaching Fan to Nav Chassis.
Attaching the Fan
1.
Install Fan (4) with Shield (3) from top using three screws (2).
2.
Connect the Red and Black Fan wires (1) to Main Board.
3.
Fasten Main and Nav Chassis.
Figure 5-5. Fan Replacement