Unscrew the Allen screw in the middle of valve cap and lift up the cap just enough to pick up the old diaphragm.

旋松阀帽中间的内六角螺丝，并且提起阀帽，正好足够拿走旧阀膜。

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Unscrew the screw (3) with Allen key, and take out the external skive tool.

用随机附送的内六角扳手松开螺丝(3)，拿出外剥刀具。

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Blade tools: eyebolt, turning tool, Allen key, screw tap, milling cutter, drill bits, etc.

刀刃工具类：埃令螺丝(吊环)、圆车刀、六角匙、丝攻、铣刀、钻咀等。

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In the memoir, Allen claims Bill Gates tried to screw him out of shares in Microsoft when the firm was in its infancy.

FORBES: Microsoft Billionaire Paul Allen Talks Bill Gates, Revenge And Cancer (Video)