Maintenance / Servicing • Fan kit installation and replacement
Section 7
Maintenance / Servicing
503Automation PC 620 with 945GME N270 CPU board User's Manual V 1.10
• After the screws have been removed, the side cover and the fan kit cover can be removed
toward the front.
• There are two arrows on the fans that indicate the direction of air flow and the direction
of fan rotation.
• Align fans over the fastening bolts (see arrows). Feed cables through the openings in the
housing (see circles) into the main board of the APC620.
Figure 257: APC620 3PCI slots - Remove side cover and fan kit cover
Figure 258: Markings for direction of airflow / fan rotation
Warning!
The fans must be inserted so that the air flows toward the inside of the housing.
Air flow
Direction of rotation
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