Liquid-Cooling System - BOMBARDIER ROTAX 532 Operator's Manual

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LIQUIp - CO'_rLIirG SyS?Ei.t
l h e c o o L i n E L i q u i d i s s u p p l i e d b y a p u n p t h r o u g h t h e
c y l i n d e r s
a n d t h e c y l i n d e r h e a d t o t h e r a d i a t o r . T h e c o o l i n f ,
system has to be instal.led
so that vapour coning irom the
cylinders and the cylinden bead can be released to toil throu8h
a b i g t u b e e i t b e r l n t o t h e H a t e r t a n k o f t h e r a d i a t o r o r t o
a n e x p a n s i o n c h a m b e r .
A s c o o l i n g l i q u i d ,
u s e w a t e r i n w a r n p e r i o d s a n d a n t i - f r e e z e
n i x t u r e i n f r o s t
p e r i o d s .
A t t e n t i o n
1) check cooling liquid
!:I9g-9f9ll_lpglgEg!
and refi]l,
i f n e c e s s a r y .
T h e a v e r a g e t e m p e r a t u r e o f c o o l i n g
l i q u i d s h o u l d b e
6 0 - 8 0 o C .
I n c a s e o f e x c e s s i v e t e m p e r a t u r e ,
look for
the reason (liquid
quantity,
radiabor
or tubes
b l o c k e d , p u m p r e s p , i E p e l t e r
d e f e c t i v e , t o o m u c h a n t i -
f r e e z e i n t h e w a t e r e b c , ) .
l )
T h e c o o l i n g e f f e c t
i s r e d u c e d b y a n t i - f r e e z e a d d i t i v e s
( u n d e r c e r t a i n
c i r c u n s h a n c e a e v e n c o n s i d e r a b l y ) .
q )
B e f o r e o p e n i n R t h e c o o l i n g t a n k c a p , p u t a c l o b b o v e r
i t
a n d t u r n t h e c a p o n l y p a r g i a l L y
o f f . S u d d e n o p e n i n g
o f t h e c a p c a n r e s u l t
i n w a t e r b o i l i n g o v e r a n d s q a l d
i n j u r i e s .
c r a n K c a s e
c y l i n d e r
cylinder
head
water puhp
radiator
tube tron radiator
to engj.ne
t u b e i . o n c y l i n d e r
1
)
q
5
6
7
o
Euoe i..on cyrlncler
I
head to radiator'
I
expansion charober
t e m p e r a t u r e g a u g e f o r c o o l i n g w a t e t
--#-
/i\T
C o o l i n s
c i r c u i t