Inspection [06/2015 - ]: Procedure

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OK

The outer ring turns counterclockwise and does not turn clockwise.

If the result is not as specified, replace the generator pulley with clutch.

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Standard Exposed Brush Length

9.5 to 11.5 mm (0.374 to 0.453 in.)

Minimum Exposed Brush Length

4.5 mm (0.177 in.)

If the brush length is less than the minimum, replace the generator brush holder assembly.

1. Measure the resistance according to the value(s) in the table below.

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   *a

   Slip Ring

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   Slip ring - Slip ring	20°C (68°F)	1.8 to 2.2 Ω

   If the result is not as specified, replace the generator rotor assembly.

1. Measure the resistance according to the value(s) in the table below.

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   *a	Slip Ring
   *b	Rotor

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   Slip ring - Rotor	Always	10 MΩ or higher

   If the result is not as specified, replace the generator rotor assembly.

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If the generator rotor bearing is rough or worn, or does not rotate smoothly, replace the generator rotor assembly.

1. Check that the slip rings are not rough or scored.

   If the slip rings are rough or scored, replace the generator rotor assembly.

2. Using a vernier caliper, measure the slip ring diameter.

   Standard Diameter

   14.2 to 14.8 mm (0.559 to 0.583 in.)

   Minimum Diameter

   14.0 mm (0.551 in.)

   If the diameter is less than the minimum, replace the generator rotor assembly.

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   *a

   Diameter

If the generator drive end frame bearing is rough or worn, or does not rotate smoothly, replace the generator drive end frame bearing.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002