Mazda 121 - Brush and Brush Holder; Field Coil

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