GE WSM2780R Technician Manual page 17

WASHER D R I V E MOTOR B E L T IDLER ARM
The washer d r i v e motor b e l t i s used
t o t r a n s m i t power f r o m t h e washer
d r i v e m o t o r t o t h e wash and s p i n
b a s k e t . T h e i d l e r a r m p u l l e y
m a i n t a i n s p r o p e r d r i v e b e l t t e n s i o n .
The d r i v e system p r o v i d e s p o s i t i v e
d r i v e i n a g i t a t i o n ( c l o c k w i s e
r o t a t i o n ) , and v a r i a b l e speed d r i v e
i n s p i n ( c o u n t e r c l o c k w i s e r o t a t i o n ) .
T h i s dual d r i v e f u n c t i o n i s a r e s u l t
o f t h e d i r e c t i o n o f t h e d r i v e .
a g i t a t i o n , t h e d i r e c t i o n o f p u l l i s
f r o m p u l l e y t o p u l l e y . T h i s causes
t h e b e l t t o r i d e t i g h t i n t h e p u l l e y
a n d p r o v i d e p o s i t i v e d r i v e .
s p i n , t h e d i r e c t i o n o f p u l l i s
a c r o s s t h e s p r i n g 1 o a d e d i d l e r
p u l l e y . The i d l e r arm "senses" t h e
l o a d and c o n t r o l s b e l t t e n s i o n t o
p r o v i d e a g r a d u a l i n c r e a s e i n speed
a s w a t e r i s e x t r a c t e d .
extreme o u t o f balance l o a d , t h e t u b
s p i n a t r e d u c e d speed d u r i n g
w i l l
t h e s p i n c y c l e .
washer t o complete t h e f u l l c y c l e .
TO REMOVE OR REPLACE WASHER D R I V E
MOTOR BELT IDLER ARM:
A.
Remove washer f r o n t panel.
B.
Remove d r i v e motor
o f f ) .
C . R e m o v e
s e c u r i n g i d l e r arm assembly t o
I n s t a l l new washer d r i v e m o t o r
E. P l a c e i d l e r arm t e n s i o n s p r i n g
i n t o 3 r d h o l e from motor.
Reverse orocedure t o reassemble.
I n
I n
W i t h an
T h i s p e r m i t s t h e
c l i p r e t a i n e r
WASHER DRIVE MOTOR
IDLER ARM TENSION SPRING
ldler Arm Ad~ustrnent
IDLER ARM TENSION ADJUSTMENT SPRING
RETAINING RING WASHER
ldler Arm Details
DRIVE BELT
LEG-AND-DOME
PIVOT SLEEVE
GEAS 061172