Rectifier; Brush; Brush Spring - Mazda 121 Workshop Manual

CHAFGING SYSTEM
Rectiller
Cautlon
. Don't uae megger lester to p€vent lhe reclifier trom
breaklng down.
1. Use an analog ohmmeterto check continuity of he diodes.
2. Replace the rectifier if necessary.
Bruah
lf a brush is worn almost to the limit or beyond, redace all
the brushes.
Siandad: 25.0mm (0.984 In)
ilinimum: 6.0mm (0.236 In)
Brush apring
1. Use a spring pressure gauge to measure the force of the
brush spring.
2. Replace the spring if not within.
Standard lorce:
2.9-3.9 N (300-400 g, 10.6-14.1 oz)
Minimum:
0.8-1.2 N (80-120 g, 2.8-4.2 o2)
Note
. Read lhe spring pressure wlth the brush tip proiect-
Ing 2mm (0.079 in).
Conlinurty
E
B
N O
E
N O
B
G-13