Tuesday, November 3, 2009
Prime and Start
One of the accessories you will see on old gas engines is the priming cup. It is a little brass petcock with a cup on the top, which is screwed into a port on the combustion chamber with a tapered pipe thread. Before cranking, you open it with the lever on the side, and squirt or pour a little gasoline into the cup to charge the cylinder. You will see the operator perform the routine in this brief video.
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