Bench Testing: Brushes

Replace brushes if worn to limit line. See Fig 1-13. Replace brush springs if corroded.

Fig 1: Testing Rectifier Diodes (MPV)

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Fig 2: Testing Rectifier Diodes (626)

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Fig 3: Rectifier Schematic

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Fig 4: Rectifier Continuity Test Chart

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Fig 5: Checking Stator For Shorts

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Fig 6: Checking Stator Winding Continuity

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Fig 7: Measuring Brush Wear

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Fig 8: Checking Rotor For Shorts

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Fig 9: Checking Rotor Resistance

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