The equalizer coils and armature coils are cut off at the end of the risers, blocked and individually brazed using a hand held torch and silver solder. The coils and commutator are electrically tested at this stage. The armature is meggered and hi-potential tested and then a millivolt test is performed on the commutator. Felt is placed between each of the riser/coil connections, which insulates one from the other and becomes a solid mass following the VPI process. Glass banding is wrapped around each end of the armature to securely hold the coils down when subjected to the centrifugal forces of the rotating armature.
 
 
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