Brush Check; Brush Spring Check; Bearing Check (Alternator) - Mazda 626 MX-6 Workshop Manual

Brush
If the brushes are worn almost to or beyond the limit,
replace them.
Standard: 16.5 mm (0.650 in)
Minimum: 8 mm (0.315 in)
Wear limit line
86U05X-022
Brush Spring
1. Measure the force of the brush spring using a
spring pressure gauge.
2. Replace the spring if necessary.
Standard force: 3.0—4.2 N
Minimum: 1.7—2.5 N
Note
Read the spring pressure gauge at the brush
tip projection of 2 mm (0.079 in).
86U05X-090
Bearing
1. Check for abnormal noise, looseness, or insufficient
lubrication.
2. Replace the bearing(s) if there is any abnormality.
86U05X-023
ALTERNATOR 5
(310—430 g, 10.9—15.2 oz)
(170—250 g, 6.0—8.8 oz)
5 - 1 7