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Fan assembly removal and installation - ThinkPad SL400, SL500

For access, remove these FRUs in order:

  1. Battery.
  2. Thermal door.

sl400sl500-fanasm.gif

Step Screw (quantity) Color Torque
2 M2 × 4 mm, wafer-head, nylon-coated (5) Silver 0.167 Nm(1.7 kgfcm)

Attention: Do not handle the fan roughly. Improper handling of the fan can cause distortion or deformation and imperfect contact with components.

sl400sl500-fanasm1.gif

When installing:

  • Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on the part marked (a) as in the following figure. Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component. In some modes, you need to peel the thin film off from the rubber (b)

    sl400sl500-fanasm2.gif
  • Make sure that the fan connector is attached firmly.
  • For ThinkPad SL400, route the antenna cables as shown in this figure.

    sl400sl500-fanasm3.gif

 

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