Alternator Brush: Testing and Inspection

Brush and Brush Holder

(FOR 60 A AND 70 A TYPES)




Check each brush for wear by measuring its length. If brush is found worn down to service limit, replace brush.

Brush length "a"
Standard : 16 mm (0.63 in.)
Service limit : 2 mm (0.08 in.

(FOR 80 A TYPE)




Brush and Brush Holder
Check each brush for wear by measuring its length as shown. If brush is found worn down to service limit, replace brush. Refer to "REPLACE BRUSH".

Exposed brush length "a" (for 80 A type)
Standard : 10.5 mm (0.413 in.)
Limit : 4.5 mm (0.351 in.)