Toshiba Satellite M40 Maintenance Manual page 178

4 Replacement Procedures
Install Cooling Module
Install the cooling Module according to the following procedures and Figures 4-15, 4-16 and 4-17.
CAUTION: When installing the cooling module, keep the following in mind:
1. Be sure to confirm the correct position for the module.
2. Route the cooling module cable between the module and MDC card.
3. Please according to the number sequence sealed on heat sink module and secures the
relevant screws on the main board.
NOTE: Apply silicon greases with a special syringe to cover the surface of the CPU chip
completely.
1. If silicon greases are already applied to the CPU and fan module, wipe them off with a cloth.
By using a special syringe, apply silicon greases to the CPU chip center so that the entire
CPU chip can be covered with the greases.
2. Install the cooling module into the correct position in the computer.
3. Secure the three screws on the cooling module using the numbered order shown on the
screws.
4. Place the CPU cover in the correct position and fasten the securing screw.
4-30 Satellite M40/M45, TECRA A4, dynabook Vx/4 Maintenance Manual
4.4 CPU Cooling Module