6 L4-2.5L (2010)
Armature
1. Verify that there is no continuity between the commutator and the core at each segment using a tester.
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If there is continuity, replace the armature.
2. Verify that there is no continuity between the commutator and the shaft using a tester.
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If there is continuity, replace the armature.
3. Place the armature on V-blocks, and measure the runout using a dial indicator.
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If not within the specification, replace the armature.
Starter armature runout
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L321*: 0.05mm {0.002 in} max.
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L556*: 0.1 mm {0.004 in} max.
*
The first four digits of the part number indicated on the starter nameplate
4. Measure the commutator diameter.
