Step 4: Install the Card
Diagram showing fan/support assembly fixings (U53xxA shown as example).
Installing the card retainer (if you have order your product with a card
retainer)
1. Slide the card retainer onto the fan card and fit screw (A) to the top of the retainer.
Removing the card retainer
1. Remove the screw (A in the figure).
2. Withdraw the card retainer.
Reversing the orientation of the fan assembly
It is also possible to reverse the orientation of the fan assembly, for instance in the case that
two cards must be placed in adjacent slots, or other PC hardware obstructs the fitting. This
procedure is detailed below.
1. Remove the two screws (B) from the cover maintaining the cables (see picture
above).
2. Remove the cover and lift up the cables to access the screws (C) below (see pic-
tures below).
3. Remove the four screws (B) nearest to the front of the fan unit.
4. Carefully, slide the fan unit approximately 15 mm to the rear until it clears the circuit
board, disconnect the power cables, and rotate the fan unit by 180°.
5. Reconnect the power cables.
6. Slide the fan unit back towards the card until it is fully seated into the support slots.
7. Refit the four screws (B), push the fan unit upwards away from the circuit board and
tighten the four screws (0.5 Nm torque).
8. Put back the cables and the cover.
9. Refit the four screws (C).
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Acqiris U5309A Startup Guide
