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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