A L T E R N A T O R & R E G U L A T O R; Construction - Toyota 5R 1969 Repair Manual

C H A R G I N G S Y S T E M - Trouble Shooting. Alternator & Regulator
e . Regulator voltage adjusted too high
f. Opened o r poor connection of
wiring between alternator " N "
terminal and regulator " N "
terminal
3. Defective actuation of charge warning light o r defective ammeter operation,
a . L o o s e fan belt
b. L o o s e wiring connections
c . Defective regulator operation
4. A ltern ator noisy
a . Defective bearing/s
b . Malfunction of rectifier/s
c . Grounded o r shorted stator coil
A L T E R N A T O R & R E G U L A T O R

Construction

F i g . 8-2
T h e components
s e r ie s a re slightly different, but the construction and operation a re sam e.
T h e main components of the alternator a r e composed of the ro to r, stator, recti­
fiers and the fra m e s .
T h e rotor consists of two s ix -fin g e r e d , cup-shaped h a lv e s , which when a ssem ­
bled become a 12-pole ro to r.
C r o s s Sectional V ie w of A ltern ator
and the specification
Adjust regulator
R ep air o r replace wiring
Adjust fan belt tension
Tighten o r repair connections
Adjust o r replace regulator
Replace bearing/s
Replace rectifier/s
Replace stator
of the alternator fo r R S ,
8-3
Y5118
R T and R K