Armature Test
- Using ohmmeter, check continuity between commutator and core. If continuity exists, replace armature. Check for continuity between commutator and shaft. If continuity exists, replace armature.
- Place armature on "V" blocks. Using a dial indicator, measure runout at commutator. If runout is not within specification, resurface commutator or replace armature.
- Wipe commutator clean. Measure commutator outer diameter. See STARTER SPECIFICATIONS . If commutator is at, or less than limit, replace armature. Check depth of mold between commutator segments. Replace armature if depth of mold is at, or less than minimum.