Skoda 105 s 1980 Workshop Manual page 171

j u n c t i o n w i t h t h e o l t e r n o t o , r o c c o r d i n g t o C h o p -
ier 13.3 ond mointoining o constont voltoge of
tlre power supply set within the entire ronge of
service speeds.
Tlre voltoge regulotor is instolled orr the body
c r o s s b e o r e r , t o t h e r i g h t o f t h e e n g i n e o n d
b e s i d e t h e i g n i t i o n c o i l .
T o f o c i l i t o t e h o n d l i n g o f i t s l e o d s ' e s p e c i o l l y
the occess to their connections, it is recom-
rrrended to remove the regulotor fostening
screws. For disconnecting procedures, see
Chopter 13.3
"Alternotor lnstollotion ond Gen-
e r o l l n s t r u c t i o n s " .
DK 1565
F i g . 1 3 . 4 1 1 - I n t e r n o l W i r i n g D i o g r o m o f
Alternotol with Voltoge Regulotor ond Outer
Connections
Altenrotor:
B, R, M - olternotor outlets
f - olternotor phose windings
m - o l t e r n o t o r f i e l d w i n d i n g
D 1 , 2 , 3 , 4 , 5 , 6 - m o i n d i o d e s
D 7 , 8 , 9 - o l t e r n o t o r o u x i l i o r y d i o d e s
D 1 0 - o l t e r n o t o r c h o k i n g d i o d e
Voltoge regulotor:
R, M, 15/54 - regulotor outlets
reg - regulotor tension winding
Rk - boloncing resistor
Ro - protective resistor
Rr - odiustoble resistor
Kr - regulotor contocts
Outer connections:
K - w o r n i n g l o m p ( 1 . 5 W )
S - switch (switch box)
B - bottery
Checking Voltoge Regulotor on Cor
The regulotor operotion con be offected by
loosened connections ond on imperfect eorth-
i n g . l f t h e w s r n i n g l o m p d o e s n o t g o o . u t w h e n
d r i v i n g , i . e . , i f i t g l o w s o t i n c r e o s e d e n g i n e
speed brightly or dimly, or if it does not stort
glowing ofter stopping the engine ond o new
i u r n i n g o f t h e i g n i t i o n k e y i n t h e s w i t c h b o x ,
the voitoge regulotor is probobly foulty. Another
symptom of o regulotor foilure is o poor chorg-
irrg of tlre bottery or its overchorging.. lf there
i s n o t h i n g w r o n g w i t h t h e r e g u l o t o r , c h e c k t h e
reguloted voltoge over the regulotor which
slrould reod 13.2 volts ot the minimum ond 14.8
v o l t s o t t h e m o x i m u n r . T h i s c h e c k i n t h e c o r
i s o n l y t e n t o t i v e o n d o n l y o c h e c k o n t h e t e s t
b e n c h ' c o n b e c o n s i d e r e d o s d e f i n i t e o n d b i n d '
i n g .
Electricol Adiustment
The voltoge regulotot- should be tested ond
o d j u s t e d o n l y o n o t e s t b e n c h i n o c o n n e c t i o n
slrown in Fig. 13.412.
At o lood of some 2 onrperes, the checked
voltoge should correspond to volues specified
i n t h e c o l u m n " C h e c k i n g " . l f t h e c h e c k e d v o l t -
oge is within the specified ronge, do not odiust
the regulotor. Othenwise odiust it to the volues
s p e c i f i e d i n t h e c o l u m n " A d i u s t m e n t " . l f w o t e r
evoporotes obnormolly from the bottery, odiust
the voltoge regulotor to the bosic volues of
" A d i u s t m e n t " u t i l i z i n g t h e l o w e r s e c t i o n o f t h e
t o l e r o n c e z o n e .
Fig.13.al2 - Wiring Diogrom of
Regulotor Tested ond Adiusted on o
G - olternotor
REG - voltoge regulotor
A - ommeter
V - voltmeter
S - switch
R - lood resistor
B - bottery
DK 1566
Voltoge
Test Bench
1 7 8