Toyota 3S-GE Repair Manual page 449

STARTING SYSTEM — STARTER ST'9
Ohmmeter
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b
Continuity
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STARTER INSPECTION AND REPAIR
Armature Coil
1. INSPECT COMMUTATOR FOR OPEN CIRCUIT
Using an ohmmeter, check that there is continuity
between the segments of the commutator.
If there is no continuity between any segment, replace
the armature.
P105811
Ohmmeter
_ _
O No Continuity
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2. INSPECT COMMUTATOR FOR GROUND
Using an ohmmeter, check that there is no continuity
between the commutator and armature coil core.
If there is continuity, replace the armature.
Commutator
1. INSPECT COMMUTATOR FOR DIRTY AND BURNT
SURFACES
If the surface is dirty or burnt, correct it with sandpa-
per (No.400) or on a lathe.
= (b) Using a dial gauge, measure the circle runout.
/ Maximum circle runout:
57% ' I If the circle runout is greater than maximum, correct it
0
on a lathe.
2. INSPECT COMMUTATOR CIRCLE RUNOUT
(a) Place the commutator on V—blocks.
\\% 0.05 mm (0.0020 in.)
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3. INSPECT COMMUTATOR DIAMETER
ameter
Standard diameter:
30 mm (1.18 in.)
Minimum diameter:
29 mm (1.14 in.)
If the diameter is less than minimum, replace the
mé armature. .
\' Using a vernier caliper, measure the commutator Edi-
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