The contact point of the machine

Next, line up the contact point in a direct line over the nipple on the armature bar and tighten. Then line up the contact point on the front spring in a direct line with the contact screw. The rear spring should be snug against the rear screw in most cases. Tighten rear screw. The contact screw points to One o’clock, when you hold up the machine and point the front (tube end) to your left. It is in this position when it is new, and should stay in this position.
Attach the clip cord to your machine and turn on your power pack. Holding the machine firmly in your left hand by the frame, slowly turn the contact screw down (clockwise) to meet the contact point on the front spring. Be careful to only touch the contact screw by the rubber tip or it will shock you. If the rubber tip is missing, you can wrap a piece of electrical tape around the end, or even a rubber band in an emergency.

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