Toshiba Portege R500 Maintenance Manual - Page 240
Installing the CPU fan assembly
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4 Replacement Procedures 4.10 CPU fan assembly Installing the CPU fan assembly To install the CPU fan assembly, follow the steps below and refer to Figure 4-12 and 4-13. 1. Wipe the grease off of the bottom of the heat sink and top of the CPU. 2. Apply new grease on the CPU using a special syringe as shown in the following figure. Apply new grease evenly on the CPU chip. CAUTION: Apply the silicon grease 0.2g 0.1mL Max to cover the chip surface using the special applicator. Use a spatula to spread new grease. The height of new grease shall not be over the height of the CPU chip. NG Chip Grease is over the height of the CPU chip. CPU OK Chip Figure 4-13 Applying new grease 4-24 [CONFIDENTIAL] PORTÉGÉ R500 Maintenance Manual (960-634)
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4
Replacement Procedures
4.10
CPU
fan assembly
Installing the CPU fan assembly
To install the CPU fan assembly, follow the steps below and refer to Figure 4-12 and 4-13.
1.
Wipe the grease off of the bottom of the heat sink and top of the CPU.
2.
Apply new
grease
on the CPU using a special syringe as shown in the following
figure. Apply new grease evenly on the CPU chip.
CAUTION:
Apply the silicon grease 0.2g 0.1mL Max to cover the chip surface using the
special applicator.
Use a spatula to spread new grease.
The height of new grease shall not be over the height of the CPU chip.
4-24
[CONFIDENTIAL]
PORTÉGÉ R500 Maintenance Manual (960-634)
Figure 4-13 Applying new grease
CPU
NG
OK
Chip
Chip
Grease is over the height
of the CPU chip.