Coolant Temperature Control - Skoda 105 s 1980 Workshop Manual

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1 1 . 4 - 1 1 . 5
on to the coolont tonk. Hose clips ore formed
either by metol strips or lengths of wire. When
t i g h t e n i n g t h e w i r e c l i p s , t o k e c o r e n o t t o
domoge the rubber of the hoses.
To Fosten Pipes ond Hoses
A correct winding of the strip is importont
t o e n s u r e o s e l f - l o c k i n g c l o m p i n g o f t h e s t r i p
c l i p s - s e e F i g . 1 1 . 4 1 1 .
F i g . 1 1 . A l 1 - D i o g r o m s h o w i n g t h e t h r e o d i n g o f
t h e c l i p s t r i p t h r o u g h t h e c l i p c l o s p o n d t h e
direction of rototion of the tightening cotter
p i n - t h e d i o g r o m h o s g e n e r o l o p p l i c o b i l i t y
1 - S t r i p c l i p , 2 - C l o s p , 3 - C o t t e r p i n
T h e m o i n p i p e l i n e r o u t e d u n d e r t h e c o r f l o o r
consists of front ond reor pipes. They ore em-
b e d d e d i n o c h o n n e l m o u l d e d i n t h e f l o o r
b o o r d s o n d r e s t o n o n i n s u l o t i n g ( p o l y s t e r e n e )
podding. From below, they ore protected by
o guord, the copscrews of which ore locked in
p o s i t i o n b y s p r i n g w o s h e r s .
U s e p i p e h o l d e r s ( y o k e s ) t o f o s t e n t h e p i p e -
line to the floor. In the front ond reor port of
t h e c o r , t i g h t e n t h e p i p e s o v e r t h e i n s u l o t i o n
l r o d o n d i n s e r t s p r i n g o n d p l o i n w o s h e r s u n d e r
t h e n u t s . D o n o t u s e i n s u l o t i o n p o d s f o r b e n d s
forming the tronsition from the front ond reor
lower flot ports. Use spring woshers under the
heods of copscrews.
B e f o r e i n s t o l l i n g t h e p i p e s , p r e p o r e o u x i l i o r y
yokes (or use lengths of wires ottoched to the
provisionolly screwed-in copscrews of the pipe-
l i n e g u o r d ) t o l i o l d t h e p i p e s i n t h e m o u l d e d
c h o n n e l i n t h e f l o o r b e f o r e t h e f i n o l f o s t e n i n g
o f t h e i r g u o r d .
T h e w o t e r l i n e r u n s u n d e r t h e c o r t o g e t h e r
w i t h o t h e r l i n e s , p u l l - r o d s , e t c . F o r t h e i r m u t u o l
ref otive orrongement see Chopter 12.7.
Removol
T o m o k e t h e u n d e r b o d y o c c e s s i b l e f o r h o n d -
l i n g t h e p i p e s , p l o c e t h e c o r o v e r o f l o o r p i t o r
o n o r o m p . T h e m i n i m u m r e q u i r e d c l e o r o n c e i s
obout 650 mnr.
1. Remo.re the guords of the pipes ond the
f u e l t o n k , l i f t o w o y t h e s p o r e w h e e l , o n d l o o s e n
t h e y o k e s h o l d i n g t h e p i p e s t o t h e f l o o r .
2 . R e m o v e d r o i n s c r e w s t o d r o i n t h e c o o l o n t
f r o m t h e p i p e s - s e e t h e i l l u s t r o t i o n i n C h o p -
ter 15.'13.
3 . R e m o v e o n e h o s e c l i p i n t h e m i d d l e o f t h e
c o r t o d i s c o n n e c t t h e p i p e s ( o t t e n t i o n - t h e
r e m o i n i n g c o o l o n t w i l l f l o w o u t ) , o n d d i s -
o s s e m b l e t h e l i n e .
4 . D i s c o n n e c t t h e p i p e e n d s f r o m t h e h o s e s ,
ond detoch the pipes from the floor or other
ports of the cor.
5 . P u l l o u t t h e r e o r p i p e s p o s s i n g t h e m c o r e -
fully oround the vorious cor ports.
6. Pull out the front pipes. Turn the front
w h e e l s i n t o t h e i r l e f t l o c k p o s i t i o n , d i s c o n n e c t
the steering linkoge from the steering reloy
lever ond the steering knuckle orm of the right-
h o n d w h e e l , o n d p u s h t h e l i n k o g e o g o i n s t t h e
oxle body. While removing the pipes, rotote the
l e f t - h o n d p i p e c l o c k w i s e ( w h e n v i e w i n g t h e c o r
f r o n t e n d ) , o n d t h e r i g h t - h o n d p i p e o n t i c l o c k -
w i s e .
Reinstollotion
R e v e r s e t h e d i s m o n t l i n g p r o c e d u r e w h e n r e -
i n s t o l l i n g t h e w o t e r l i n e . W h i l e c o n n e c t i n g t h e
s t e e r i n g l i n k o g e , p o y o t t e n t i o n t o t h e c o n d i t i o n
o f b o l l p i n s e o l i n g c u p s ( f i t n e w c u p s i f t h e o l d
o r e d o m o g e d ) . F i l l i n t h e r e c o m m e n d e d c o o l o n t
o n d b l e e d t h e c o o l i n g s y s t e m .
11.5 COOLANT TEMPERATURE CONTROL
Throughf low Thermostot
T h i s t h e r m o s t o t s h u t s o f f t h e i n l e t o f t h e
c o o l o n t i n t o t h e r o d i o t o r d u r i n g t h e e n g i n e
h e o t i n g - u p p e r i o d . l t i s m o u n t e d o n t h e e n g i n e
- see Chopter 2.3, por. 30.
T h e t h e r m o s t o t o p e r o t e s w i t h i n t h e f o l l o w i n g
v o l u e s :
i t b e g i n s t o o p e n o t
8 0 + 2 " C
i t i s f u l l y o p e n o t
9 0 + 4 o C
i t s l i f t o t f u l l o p e n i n g
1 1 m m
W h e n c l o s e d , i t i s p e r m i t t e d t o l e t p o s s
o n r o x i m u m o f 0 . 5 l i t r e s o f c o o l o n t p e r m i n u t e ,
ond it must not be closed by o bock pressure
o f 0 . 1 6 M P o ( 1 . 6 k g / c m 2 ) .
W h e n r e m o v i n g t h e t h e r m o s t o t b y r o t o t i n g
t l r e r i v e t i n t h e v o l v e d i s k , b r e o k o w o y s e d i -
I
i
15 2

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