Acer TravelMate 4220 TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 48
Removing the Processor Cooling Fan
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Removing the Processor Cooling Fan 1. Disconnect the fan cable from its system board connector (FAN1). 2. Remove the screws securing the cooling fan. Step 2 Type M2 x L4 BZN+NYLOK Quantity 2 Color Black Torque 1.6 kgf-cm +/-15% 3. Peel off the aluminum tape on the top edge of the cooling fan. 38 Chapter 3