Subaru LEGACY 2006 Manual page 882

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STARTING/CHARGING SYSTEMS

1) Continuity test

Inspect continuity between the stator coil lead wire

terminals. If the resistance is 1 MΩ or more, the

lead wire is damaged. Replace the stator assem-

2) Insulation test

Inspect the continuity between the stator coil stator

core and lead wire terminals. If the resistance is 1 Ω

or less, the stator coil is grounded. Replace the sta-

tor assembly.

1) Measure the length of each brush. Replace the

brush if wear exceeds service limits. There is a ser-

vice limit mark (A) on each brush.

Brush length:

Service limit (1)

5.0 mm (0.197 in)

Standard (2)

18.5 mm (0.728 in)

2) Check that there is appropriate pressure on the

brush spring.

Using a spring pressure indicator, push the brush

into the brush holder until its tip protrudes 2 mm

(0.08 in). Then measure the pressure of brush

spring. If the pressure is 2.2 N (224 g, 7.91 oz) or

less, replace the brush spring with a new part. 4.8

— 6.0 N (489 — 612 g, 17.26 — 21.58 oz) pressure

is required on the new spring.

5. BEARINGS (FRONT SIDE)

Check the front ball bearings. Replace the ball

bearings if there is resistance in the rotation, or if

there is any abnormal noise.

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