Field Coil Test

Using ohmmeter, check for continuity between "M" terminal wire and brushes. See Fig 1 . If continuity does not exist, replace yoke assembly. Check for continuity between "M" terminal wire and yoke. See Fig 2 . If continuity exists, replace yoke assembly. Check field coil for looseness. If field coil is loose, replace field coil assembly.

Fig 1: Checking "M" Terminal To Brush Continuity

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Fig 2: Checking "M" Terminal To Field Coil Continuity

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