The springs tuck them out so they engage at a low rpm. As the mag speeds up the counter weights bring the pawls in against spring pressure. If you turn the mag over by hand in the direction it is used it will turn a 1/4 turn and the pawls should engage and then the impulse spring will start to wind up, you will feel this tension build the more you turn it. Then all of a sudden the pawls let go and the impulse spring unwinds and spins the armature in the mag at a faster RPM to create a good hot spark while hand cranking the engine. The impulse spring is located behind the mag drive coupling. It's actually called "Impulse Coupling".
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Today's Featured Article - Trenching With a Plow - by Staff. Introduction: This interesting information came from one of the discussion forums here at YT. We thought we should place it up front so it could be read by anyone interested in putting old iron to work. [Editor] I tried something new today, and it worked so well I thought I should post it - in case it might help someone else. I'm running 100 yards of 4" drain pipe from the gutter downspouts of our house to a pond down the hill. This should hel
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