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Starting System
Starter Overhaul (cont'd)
A r m a t u r e Inspection and Test
1. Remove the starter (see page 4-9).
2. Disassemble the starter as s h o w n at the beginning
of this procedure.
3. Inspect the armature for wear or damage f r o m
contact w i t h the permanent magnet. If there is w e a r
or damage, replace the armature.
Check the commutator (A) surface. If the surface is
dirty or burnt, resurface w i t h emery cloth or a lathe
w i t h i n the f o l l o w i n g specifications, or recondition
w i t h # 500 or # 600 sandpaper (B).
5. Check the commutator diameter. If the diameter is
below the service limit, replace the armature.
C o m m u t a t o r Diameter
Standard (New):
M/T:
2 9 . 9 - 3 0 . 0 mm (1.177- 1.181 in.)
A/T:
28.0 m m - 2 8 . 1 mm (1.102-1.106 in.)
Service Limit:
M/T:
29.0 mm (1.142 in.)
A/T:
27.5 mm (1.083 in.)
6. Measure the commutator (A) runout.
• If the commutator runout is w i t h i n the service
limit, check the commutator for carbon dust or
brass chips between the segments.
• If the commutator runout is not w i t h i n the service
limit, replace the armature.
Commutator Runout
Standard (New):
0.02 mm (0.001 in.) max.
Service Limit:
0.05 mm (0.002 in.)
4-12
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Table of Contents
Troubleshooting
