這個影片是教你如何正確清理軸承。一般我們都以為軸承是用去漬油或是其他有機溶劑清洗，但實際上這是錯誤的知識。有機溶劑只負責去除掉原廠軸承上的潤滑脂，而造成軸承卡卡
聲的最主要原因雜質，卻不是用有機溶劑來去除掉。如影片中所示範，將軸承轉動，在藉由高壓空氣把軸承內的雜質推出來，這是最標準的作法。
This video teaches you how to clean bearing. The correct way is using pressure air to eliminate impurities. And the organic solvent is only for cleaning the lubricating oil, NOT for impurities.
除此之外，悠九的溜溜球刀所附的陶瓷軸承，他的保持器是鐵氟龍做的，大部分的有機溶劑會破壞鐵氟龍，而我們的原廠軸承又沒有上任何油，所以我們的軸承是不需要用有機溶劑清洗的，只需要用這個正確的方法就好。謝謝大家的觀賞。
The materiel of our ceramic bearings of outer race and inner race
are stainless steel. The balls are made of silicon nitride (it is a kind of
ceramics). And the retainer is made of Teflon. The organic solvent would damage
the Teflon retainer. And our original installation is without any lubricant
already. So DO NOT use any organic solvent to clean our ceramic bearing.
清理軸承的時候千萬不要對著軸承的正面（圖一）吹，或是使用工具觸碰軸承的正面，因為這樣會使保持器脫落，導致軸承散開。清理時記得對著軸承的背面（圖二）吹就好了。
Remember, when you clean the bearing, DO NOT blow it to the front side (Fig. 1). And DO NOT touch the front side by any tool. It might let the retainer fall off. The correct way is blow the back side (Fig 2.).
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| 圖一 軸承的正面 Figure 1. The front side. |
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| 圖二 軸承的背面 Figure 2. The back side. |
