How to reinstall the bearing cap
工具
下方列出了维修此类别设备所需的主要工具。当然，并不是所有维修流程都需要备齐这个清单。
Background and Identification
The iFixit Precision Bit Driver is a handheld tool that can be used with a variety of 4 mm bits. It features a knurled grip, a magnetic bit holder, and a swivel cap. The Precision Bit Driver comes in aluminum or plastic.
