Brush And Brush Holder; Field Coil - Mazda 121 Workshop Manual

STARTING SYSTEM
Brush and brush holder
1. Use an ohmmeter to check continuity between each insu'
lated brush and the 9late.
Replace the brush holder il there is continuity.
2. Use a spring balance to measure the force ol the brush
spring.
Standard:
18.9-23.1 N (1.89-2.31 k9, 4.18-5'12 lb)
3. Replace the spring if not as specified
Brush
It a brush is worn almost to the wear limit or b€yond' replace
all the brushes.
Standard: 17mm (0.67 in)
Minimum: I l.smm (0.453 in)
Field coll
1. Use an ohmmeter to check continuity between the M ter-
minal wire and the brushes. Replace the yoke assembly if
there is no contnuity.
2. Use an ohmmeter to check continuity between the M ter:
minal wire and the yoke. Replace the yoke assembly if there
is continuity.
3. Check il the field coil is loose. Replace the yoke assembly
if it is.
BAUSH SPFING
WEAB LIMIT
STANDARD
01EOG)!O73
G-30