D E S C R I P T I O N - Toyota 5R 1969 Repair Manual

D E S C R I P T I O N

T h e purpose of the charging system in a c a r is to adequately charge the battery
which is the sou rce of electric p o w e r , and also to supply electric p o w e r to other
electrical equipment in place of the battery when the engine is operated.
T h e charging system consists of the alternator and the alternator re gu la to r, and
the wiring diagram is as shown in the above illustration. T h e p r o p e r operation
of the charging system can be checked with the ammeter and the ch arge warning
light equipped on the R S s e r ie s , and also by the charging warning light equipped
on the R T and R K s e r ie s .
T h e alternator has the following excellent features in comparision with the con­
ventional D C generator.
1. It provides
revolution.
2. Since the alternator
increase of temperature
D C gene rato r .
A ls o as the slip ring of the alternator is not used fo r rectification, the brush
life is longer in the alternator.
3. T h e maximum revolution of the alternator is rather restricted by the mecha­
nical conditions
fan belt than the electrical conditions. T h e r e fo r e , the alternator can be op­
F ig . 8-1 Charging System Wiring Diagram
a v e r y high output at cruising speeds and also at lo w e r engine
uses the silicone diodes fo r rectification, there is no
due to the rectification sparks compared with the
of the ball bearings, centrifugal fo r c e of the rotor and the
C H A R G I N G S Y S T E M - Description
Ig n itio n Coil
8-1
D is tr ib u to r
G0149