Bench Testing: Brushes

Remove brush holder from generator. Using vernier caliper, measure brush length. See Fig 1 and Fig 2 . If brush length is not as specified, replace brushes. See BRUSH LENGTH SPECIFICATIONS table.

BRUSH LENGTH SPECIFICATIONS

Application		In. (mm)
Civic
Standard		.75 (19.0)
Limit (Minimum)		.20 (5.0)
Except Civic
Standard		.41 (10.5)
Limit (Minimum)		.06 (1.5)

Fig 1: Measuring Generator Brush Length (Typical Denso)

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 2: Measuring Generator Brush Length (Typical Mitsubishi)

Courtesy of AMERICAN HONDA MOTOR CO., INC.