Armature Inspection And Test - Honda CR-V 1997 Service Manual

Starting System
Armature Inspection and Test
1. Inspect the armature for wear or damage due to
contact with the field winding. If there is wear or
damage, replace the armature.
Inspect for damage.
2. Check the commutator surface. If the surface is dirty
or burnt, resurface with emery cloth or a lathe with-
in the following specifications, or recondition with
#500 or #600 sandpaper.
SANDPAPER
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4-10
3. Check the commutator diameter. If commutator
diameter is below the service limit, replace the
armature.
Commutator Diameter
Standard (New): 27.9 - 28.0 mm (1.09 - 1.10 in)
Service Limit: 27.0 mm (1.06 in)
VERNIER
CALIPER
COMMUTATOR
4. Measure the commutator runout.
• If the commutator runout is within the service
limit, check the commutator for carbon dust or
brass chips between the segments.
• If the commutator runout is not within the ser-
vice limit, replace the armature.
Commutator Runout
Standard (New): 0 - 0.02 mm (0 - 0.0008 in)
Service limit: 0.05 mm (0.002 in)
DIAL INDICATOR
COMMUTATOR