Rocker arm lubrication - GIF

Rocker arm lubrication.

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Previously:

Lubricating a large bearing - GIF
Lubricating a roller coaster - GIF
Lubricating and assembling a bearing - GIF
Lubricating eyes for long surgeries - GIF
Lubricating switches with paintball gun - GIF
Radiator hose lubricating tool - GIF

One of the funniest things in school was when we built an engine on a test stand and the instructor told one of the guys to start the engine with the valve covers off, he quickly found out that was a bad idea, his bright white shop coat was now speckled with oil. Of course not all engines squirt like that, just be aware.