Chapter 3 39
4. Remove the cooling fan from the main unit.
Removing the Heat Sink
1. Remove the screws securing the heat sink.
2. Carefully pull the heat sink from the unit base, then remove it from the system board.
Step Type Quantity Color Torque
1M2 x L2.5 BZN+NYLOK 5 Silver 1.6 kgf-cm +/-15%
Acer TM 4520 SG.book Page 39 Friday, June 22, 2007 5:43 PM