Suzuki DF70A - Starter Motor Components Inspection and Servicing

Starting System: 1I-9
Assembly
Assembly is in the reverse order of disassembly with
special attention to the following steps.
Reassemble the starter motor, refer to “Starter Motor
Components” (Page 1I-6).
CAUTION
When installing the armature, use care to
avoid breaking the brushes.
Starter Motor Components Inspection and
Servicing
Z9J0111906005
Armature and Commutator
• Inspect the commutator surface. If surface is gummy
or dirty, clean with # 500 grit emery paper (1).
• Measure the commutator outside diameter. If the
measurement exceeds the service limit, replace the
armature.
Special tool
(A): 09900–20101 (Vernier calipers (150
mm))
Commutator outside diameter
Standard: 29.0 mm (1.14 in.)
Service limit: 28.0 mm (1.10 in.)
• Check that the mica (insulator) between the segments
is undercut to specified depth.
If the measurement exceeds the service limit, cut to
the specified depth.
WARNING
!
Wear safety glasses when using compressed
air.
NOTE
Remove all particles of mica and metal using
compressed air.
Commutator undercut “a”
Standard: 0.5 – 0.8 mm (0.02 – 0.03 in.)
Service limit: 0.2 mm (0.01 in.)
I9J011190021-01
1
I9J011190022-01
2. Mica 3. Segment
(A)
I9J011190023-01
3
2
“a”
I9J011190024-01
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