GE Spacemaker WSM2700L, Technician Manual

Page: 23 / 56

WASHER E L E C T R I C A L COMPONENTS TEST AND
REPAIR
C A U T I O N ! ALWAYS DISCONNECT U N I T
ELECTRICAL POWER SOURCE BEFORE MAKING ANY
ELECTRICAL TEST.
WASHER DRIVE MOTOR
TWO
The w a s h e r d r i v e m o t o r i s e i t h e r a
s i n g l e o r a t w o s p e e d , 1 / 2
c a p a c i t o r s t a r t , r e v e r s i b l e m o t o r ,
r a t e d a t 1 2 0 v o l t s , 6 0 h z . T h e
c o n n e c t i o n s a t t h e m o t o r s w i t c h a r e
q u i c k d i s c o n n e c t t y p e t e r m i n a l
b l o c k s .
T h e t e r m i n a l b l o c k s a r e
m o l d e d i n s u c h a w a y t h a t t h e y
c a n n o t b e r e v e r s e d . An i n t e r n a l
o v e r l o a d p r o t e c t o r i s b u i l t i n t o t h e
m o t o r a n d w i l o p e n d u e t o
e x c e s s i v e l y h i g h t e m p e r a t u r e s a n d / o r
e x c e s s i v e c u r r e n t .
T h e o v e r l o a d
p r o t e c t o r i s w i r e d i n s e r i e s w i t h
t h e w a s h e r c i r c u i t r y a n d i f
i t
o p e n s , a l l w a s h e r o p e r a t i o n s w i l l
s t o p . T h e p r o t e c t o r i s s e l f
r e s e t t i n g and
i n
some c a s e s t a k e s as
l o n g as t h i r t y seconds t o r e s e t .
SPEED DRIVE MOTOR
The h i g h speed s t a r t s on t h e 4 - p o l e
m a i n w i n d i n g i n c o n j u n c t i o n w i t h t h e
4 - p o l e phase ( s t a r t ) w i n d i n g . A f t e r
t h e m o t o r h a s a c c e l e r a t e d
s u f f i c i e n t l y t o a c t u a t e t h e s t a r t
s w i t c h , t h e s t a r t w i n d i n g i s
d e - e n e r g i z e d . When t h e l o w speed i s
s e l e c t e d , t h e m o t o r s t a r t s o n t h e
4 - p o l e m a i n w i n d i n g and s w i t c h e s t o
t h e l o w s p e e d 6 - p o l e w i n d i n g a f t e r
t h e m o t o r h a s a c c e l e r a t e d t o o p e n
t h e s t a r t s w i t c h .
I f an open c i r c u i t e x i s t s i n t h e l o w
speed 6 - p o l e w i n d i n g , t h e m o t o r w i l l
r e p e a t e d l y s t a r t and s t o p on t h e l o w
speed s e l e c t i o n .
WHITE
MOTOR
CAPACITOR
One Speed
Motor
WHITE
HIGH
CAPACITOR
Speed Motor
Washer
GEAS 061178