To Install the Magneto

To Install the Magneto

It is not a difficult operation to install a magneto, providing the method of procedure is understood by the person attempting the work. The first thing to do is to get the piston of No. 1 cylinder on top dead center, or as near to it as possible. You can determine the exact place by locating the fly wheel mark indicating when cylinder No. 1 fires. With the magneto out of the engine, turn the armature shift around until the distributing arm is on No. 1 segment and the breaker points are just about to separate. With the armature in this position, the magneto can be slipped in place. If the coupling does not happen to fit exactly there is no objection to turning it around a trifle. A very important part of the magneto is the ground brush. It conducts the primary and secondary currents back to the armature. But for the brush the secondary current would arc as it passes through the ball bearings, and ruin them, and the primary current would find it difficult to pass through the lubricant. Thus the ground brush gives better primary action and prevents damage to the ball bearings of the armature

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