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      Fan assembly removal and installation - ThinkPad SL300

      For access, remove:

      1. Battery pack
      2. Thermal door

      Removal steps of fan assembly

      Fan assembly

      StepScrew (quantity)ColorTorque
      [2]M2 × 4 mm, wafter-head, nylon-coated (2)Silver0.167 Nm(1.7 kgfcm)
      [3]M2 × 3 mm, wafter-head, nylon-coated (2)Black0.167 Nm(1.7 kgfcm)

      Note: Loosen the screws [4], but do not remove them.

      Attention: Do not handle the fan roughly. Improper handling of the fan can cause distortion or deformation and imperfect contact with components. 74 ThinkPad

      Fan assembly

      Installation of the fan assembly

      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. For the new fan assembly, you need to peel the thin film off from the rubber [b].

      Fan assembly

      • Make sure that the fan connector is attached firmly.


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      • Alias ID: MIGR-71514
      • Document ID: PD010085
      • Last Updated :17 Jun 2014
      • © 2016 Lenovo