資料來源SF官網 http://www.surefire.com/faqs What parts of my flashlight need to be maintained?
Clean threads of tailcap and head using cloth, paper towel, or similar absorbent material.
Clean flat surface at end of threaded section and corresponding area inside the tailcap to ensure positive electrical contact between tailcap, head, and body.
Remove dirt or debris from O-rings and use a cotton swab or similar to lightly coat them with silicon grease, such as Nyogel or SCUBA equipment grease.
NOTE: Grease only the O-rings, not the threads. Do not use spray lubricants. Do not use petroleum-based lubricants. Do not use acidic, alkaline, or petroleum solvents to clean any part of your light. Google英翻中....... 哪些部分需要保持我的手電筒？
清潔線程尾端蓋和頭部用布，紙巾或類似的吸收材料。
尾端蓋內螺紋部分和相應的區域結束的清潔平整的表面上，以確保正尾端蓋，頭部和身體之間的電接觸。
將O形圈和污垢或碎屑，用棉籤或類似輕輕大衣他們與矽油脂，如NYOGEL或潛水裝備潤滑脂。
注：脂的O形圈，而不是線程。不要使用噴霧潤滑油。不要使用石油基潤滑劑。不要使用酸性，鹼性或石油溶劑清潔你的光中的任何部分
