ELECTRICAL SYSTEM
12-9
2.3 Inspecting and repairing starter
2.3.1 Inspecting brushes for wear
Measure the length of the brushes. If the measured value is
less than the limit, replace both the brush holder assembly
and the brush assembly with new ones.
Inspecting brushes for wear
2.3.2 Measuring brush spring load
Using a new brush, measure the spring load at which the
spring lifts from the brush. If the measured value is less than
the limit, replace the spring with a new one.
Measuring brush spring load
2.3.3 Inspecting armature coil
(1) Inspect the armature coil using a growler.
Hold a piece of iron plate against the armature core. If
the iron plate vibrates, replace the armature with a new
one.
Inspecting armature coil
(2) Check that there is no continuity between the
commutator and the shaft (core).
If any continuity is observed, replace the armature with
a new one.
Inspecting insulation between commutator and shaft
Item Standard Limit
Brush length
18 mm
[0.709 in.]
11 mm
[0.43 in.]
Brush
Item Standard Limit
Brush spring load
26.7 to 36.1 N
{2.7 to 3.7 kgf}
[20 to 27 lbf]
14.7 N
{1.5 kgf}
[11 lbf]
Growler tester
Iron plate
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