3 .
A f t e r e v e r y 5 0 h o u r s of o p e r a t i o n r e m o v e r e t a i n i n g b a r and r e m o v e e l e m e n t f o r thorough
cleaning. Since e l e m e n t m u s t be allowed to d r i p d r y a f t e r washing, k e e p e x t r a e l e m e n t
o n
hand to p r e v e n t down t i m e d u r i n g the drying p e r i o d . Wash e l e m e n t a s follows:
(A)
S w i s h e l e m e n t b r i s k l y in w a r m w a t e r containing a non- sudsing d e t e r g e n t . DO NOT
WASH
IN ANY
OTHER SOLUTION OR
WITH
HOT WATER.
( B )
D i r e c t gentle s t r e a m of c l e a n water into i n s i d e of e l e m e n t to r e v e r s e flush e l e m e n t .
R i n s e thoroughly.
( C ) Shake out e x c e s s w a t e r t h e n p l a c e e l e m e n t on end in c l e a n a r e a - - a l l o w e l e m e n t t o
a i r d r y .
CAUTION: D O
NOT
u s e c o m p r e s s e d a i r t o s p e e d up d r y i n g p r o c e s s a s this
w i l l r u p t u r e f i l t e r m a t e r i a l .
( D )
A f t e r e l e m e n t i s
d r y ,
i n s e r t flashlight i n s i d e e l e m e n t .
A n e v e n fine p a t t e r n of light
a s o b s e r v e d t h r o u g h the filte'r m a t e r i a l i n d i c a t e s e l e m e n t i s c l e a n a n d r e a d y f o r
r e - u s e . If a l a r g e s p o t
of
light i s o b s e r v e d , e l e m e n t i s r u p t u r e d a n d m u s t be
r e p l a c e d .
B e f o r e i n s t a l l i n g s e r v i c e d e l e m e n t , wipe out inside of f i l t e r body. I n s p e c t g a s k e t end of e l e m e n t
- - r e p l a c e e l e m e n t if g a s k e t i s d a m a g e d o r m i s s i n g . E l e m e n t should be r e p l a c e d a f t e r 10 washings o r
a f t e r one y e a r of u s e . A l s o r e p l a c e a u t o m a t i c d u s t unloader a f t e r one y e a r of u s e .
OIL BATH
TYPE AIR CLEANERS
Oil bath a i r c l e a n e r s a r e often u s e d w h e r e above n o r m a l c o n c e n t r a t i o n
of
d u s t , l i n t , chaff, e t c .
is
p r e s e n t . N o r m a l l y , the oil bath c l e a n e r should be s e r v i c e d a f t e r e v e r y
2 5
h o u r s of o p e r a t i o n ; how-
e v e r , if e x t r e m e l y d u s t y o r d i r t y conditions e x i s t , s e r v i c e c l e a n e r m o r e f r e q u e n t l y - - e v e n e v e r y 8
h o u r s o r twice d a i l y
if
conditions w a r r a n t t h i s .
T h e r e a r e s e v e r a l d i f f e r e n t types of oil b a t h a i r c l e a n e r s i n u s e . On m o s t , o u t s i d e a i r i s d r a w n
in through a s c r e e n o r r a i n c a p and i s t h e n pulled a c r o s s a pool of oil which a b s o r b s the h e a v i e r
p a r t i c l e s . The p a r t i a l l y c l e a n e d a i r is t h e n d r a w n through a n o i l l a d e n f i l t e r e l e m e n t f o r final f i l t e r i n g
a n d then i n t o the c a r b u r e t o r . On s o m e , a s e r i e s of e l e m e n t s with varying d e g r e e s of f i l t r a t i o n q u a l i -
t i e s a r e used f o r f i n a l filtering.