CO-4
THERMOSTAT
The Ihe.mostat hts a walt
type
bypass ...
el ...
e loo
is mounted in the water inlet hous
i
ng
.
The ther
mostat includes a tyPtl of automltic
...
,I
...
e oper
ated by fluctUltions in the coolant temperature
This ... alvl closes when the cool .... t t.mp.rature
drops. pr ..... nting the circuletion of coolant
throogh the engine and thus permitting the engine
to warm up rapidly. The
... II-I ...
e opens when the
coollnt tempe.ature has riten, ,,"lowing the cir
culation
01
coolan\. Walt inside the thermottat
.�paf1ds when heated and contracts whe" coo
l
e d
.
Helting the W8� thus gen.rates pressure which
O"'MpOwers the force
01
the spring which keeps
the ... al .... closed. thus opening the ... alve. Wile" the
WJK
cools, its cO"trIClio" CIU5M the force of the
spring to take effect once more, clOsing the ... al ... e.
The thermostat in this engine operates 8t e tem
perature of
82°C U80"FI.