Armature Test: Ground
Using growler or a self-powered test light, touch one lead to armature shaft and other lead to each commutator bar. See Fig 1 . If light glows at any point during procedure, armature is grounded. Replace grounded armature.
Using growler or a self-powered test light, touch one lead to armature shaft and other lead to each commutator bar. See Fig 1 . If light glows at any point during procedure, armature is grounded. Replace grounded armature.