Toyota Land Cruiser 1988 Repair Manual page 278

Continuity
CHARGING SYSTEM- Alternator CH-9
CH0578
CH0560
CHOOSO CH0575
Stator
1. INSPECT STATOR FOR OPEN CIRCUIT
Using an ohmmeter, check that there is continuity be-
tween the coil leads.
If there is no continuity, replace the stator.
2. INSPECT STATOR FOR GROUND
Using an ohmmeter, check that there is no continuity
between the coil leads and stator core.
If there is continuity, replace the stator.
Brushes
1. INSPECT EXPOSED BRUSH LENGTH
Using a scale, measure the exposed brush length.
Standard exposed length: 20.0 mm (0.787 in.)
Minimum exposed length: 5.5 mm (0.217 in.)
If the length is less than minimum, replace the brushes.
2. IF NECESSARY, REPLACE BRUSHES
(a) Unsolder and remove the brush and spring.
(b) Insert the brush wire through the spring.
(c) Install the brush in the brush holder.
(d) Solder the wire to the brush holder at specified ex-
posed length.
Exposed length: 20.0 mm (0.787 in.)
(e) Check that the brush moves smoothly in the brush
holder.
(f) Cut off any excess wire.