Acer Network Device Altos R520 - Manual (Page 74)

3 System upgrade 64
13 If the heat sink does not have thermal grease on the bottom, apply
thermal grease to the heat sink base.
14 Install the heatsink and fan
Caution! The heat sink has a thermal interface material (TIM) on
the underside. Use caution so that you do not damage the TIM.
(1) If a protective film is installed on the TIM, remove it.
(2) Set the heat sink over the processor, aligning the four captive
screws with the four screw posts surrounding the processor.
(3) Loosely screw in the captive screws on the heat sink corners in
a diagonal manner.
Note: Do not fully tighten one screw before tightening another.
(4) Gradually and equally tighten each captive screw until each is
firmly tightened.
15 Observe the post-installation instructions described on page 40.
TP02328
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