Lenovo 0319A25 User Manual - Page 66
Table 13. Removal steps of fan assembly continued, Screw quantity, Color, Torque, When installing - edge 15
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Table 13. Removal steps of fan assembly (continued) 2c 2b 2a 2d Note: Step 3 is only for ThinkPad Edge 15". For ThinkPad Edge 14", skip step 3 . Step 3 Screw (quantity) M2 × 4 mm, wafer-head, nylon-coated (1) Color Silver Torque 0.181 Nm (1.85 kgfcm) 4 When installing: Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on the parts marked a as in the following figures. Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component. For the new CPU thermal device/fan, you need to peel the thin film off from the rubbers marked b . For discrete fan assembly 60 Hardware Maintenance Manual
![](/manual_guide/products/lenovo-0319a25-user-manual-43667a9/66.png)
Table 13. Removal steps of fan assembly (continued)
2b
2c
2a
2d
Note:
Step
3
is only for ThinkPad Edge 15". For ThinkPad Edge 14", skip step
3
.
Step
Screw (quantity)
Color
Torque
3
M2 × 4 mm, wafer-head, nylon-coated (1)
Silver
0.181 Nm
(1.85 kgfcm)
4
When installing:
Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2
grams, on the parts marked
a
as in the following figures. Either too much or too less application of grease can
cause a thermal problem due to imperfect contact with a component. For the new CPU thermal device/fan, you
need to peel the thin film off from the rubbers marked
b
.
For discrete fan assembly
60
Hardware Maintenance Manual