Bench Testing: Brush
- Measure the length of each brush. See Fig 1
. If wear exceeds the service limit, replace the brush. Each has the service limit mark (A) on it. See BRUSH SPECIFICATIONS
table under GENERATOR SPECIFICATIONS.
- Checking brush for proper pressure using a spring pressure indicator, push the brush into the brush holder until its tip protrudes .08" (2 mm). See Fig 2
. Then measure the pressure of brush spring. See BRUSH SPECIFICATIONS
table under GENERATOR SPECIFICATIONS.
Courtesy of SUBARU OF AMERICA, INC.
Courtesy of SUBARU OF AMERICA, INC.