CH-13
CHARGING SYSTEM - Alternator
Brushes
1. INSPECT EXPOSED BRUSH LENGTH
Using vernier calipers or scale, measure the exposed brush
length.
Standard exposed length: 10.5 mm (0.413 in.)
Minimum exposed length: 1.5 mm (0.059 in.)
If the exposed length is less than minimum, replace the
brushes and brush holder assembly (Type A) or brushes
(Type B).
2. (Type B)
IF NECESSARY, REPLACE BRUSHES
(a) Unsolder and remove the brush and 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.
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.
(f) Apply insulation paint to the soldered point.
Rectifiers (Rectifier Holder)
1. INSPECT POSITIVE SIDE RECTIFIER
(a) Using an ohmmeter, connect one tester probe to the
positive ( + ) terminal and the other to each rectifier
terminal.
Type A
CH0722
Type B
CH0247
CH0248
CH0414
Ohmmeter
Positive ( + ) Terminal
Rectifier
Terminal
CH0465
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