Toyota Celica Supra 1986 Service And Repair Manual page 226

CH.S
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CHARGING SYSTEM- Alternator
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2. INSPECT THAT STATOR IS NOT GROUNDED
Using an ohmmeter, check that there is no continuity be-
tween the coil leads and drive end frame. If there is con·
tinuity, replace the drive end frame assembly.
Brush and Brush Holder
1. MEASURE EXPOSED BRUSH LENGTH
Using a scale, measure the exposed brush length.
Standard exposed length: 10.5 mm (0.413 in.)
Minimum exposed length: 4.5 mm (0.177 in.)
If the exposed length is less than minimum, replace the
brush.
2. IF NECESSARY REPLACE BRUSHES
(a) Unsolder and remove the brush and the spring.
(b) Run the wire of the brush through the hole in the
brush holder, and insert the spring and brush into the
brush holder .
(c) Solder the brush wire to the brush holder at the
exposed length.
Standard exposed length: 10.5 mm (0.413 in.)
(d) Check that the brush moves smoothly in the brush
holder.
(e) Cut off the excess wire.
(I}
Apply insulation paint to the soldered point.
Bearings
1. INSPECT FRONT BEARING
Check that the front bearing is not rough or worn. Replace
if neceS$8ry.