Bench Testing: Brushes

Replace brushes if worn to limit line. See Fig 4 thru Fig 8 . Replace brush springs if corroded. For brush replacement procedure, see OVERHAUL .

Fig 1: Testing Rectifier Diodes

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Fig 2: Rectifier Schematic

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Fig 3: Rectifier Continuity Test Chart

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Fig 4: Testing Generator Stator, Rotor & Brushes

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Fig 5: Checking Stator Winding Continuity

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Fig 6: Measuring Brush Wear

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Fig 7: Checking Rotor For Shorts

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Fig 8: Checking Rotor Resistance

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