Operating Instructions for Cockshutt "30"
Tractor
20
FAN BELT
TENSI
ON
PLATE
No.
C-16-46
COOLING
AND
OVERHEATING
PLATE
No.
C-I6-46
COOLING
DESCRIPTION:
The h e a t given
off
fr
om the engine is car-
ried
awa
y by
the
radi-
ator, assisted
by
the
high
capacity p u m p
and
fan. At
th
e block
outlet is a special
ther
-
mo
stat
which, until the
engine reaches operat-
i n g temp
er
atur
e, re-
turn
s
th
e liquid to the
block through the
larg
e
.by-pass. The cylinder
walls
ar
e cooled b y
th
erm
osyphon, t h u s
pr
ev
ent
ing local
hot
and
co
l d spots which
might cause dis
torti
on,
and
a n uneven wall
wear. 'The capacity of
the cooling system is
(3)
Imp
er
ial gallons,
(3
Y2)
U.S. gallons.
••
••
CARE -
Try
to use r
ain
wat
er
when filling to
pr
ev
ent
the
addit
ion of lime
and
other im-
puriti
es. Fill within
(1)
inch of the top.
DON
0 T ADD
WATER
TO AN
E
NGINE
THAT
IS
OVERHEATED
OR IS PARTLY EMPTY.
Wait
until it
cools.
OVERHEATING - As the di
ff
er
ent units of the cooling system have been
care
fully de-
sig
ned
and
thoroughly tested, should over
heat
ing occur, check the following :
(1)
Check water level in radiator,
th
e oil
pr
essure gauge, oil level in
cr
ankcase.
(2) Check the fan belt for slippage;
it
should not exceed % of an inch as shown
on above plate
and
indicated by
th
e
arr
ow.
(3) Check the ignition timing as per i
nstr
uction on page 28.
(4) Open the
thr
ottle fully, remove the radiator cap and see if coolant is circu-
lating.
(5) Examine the
radiator
hose for deterioration and replace
if
rubb
er
is loose in
th
e inside.
(6) The
radiator
core
prot
ective
scr
een may be plugged.
Blowout
with
an
air
line or
wat
er
hose
from
the back.
(7) The radi
at
or
or block may plug with f
or
eign m
att
er:
To cle
ar;
drain out sys-
tem, then fill with solution of 1
% pounds of ordinary washing soda to 3
Imper
-
ial gallons of water, then run
en
g-ine
until hot, with radia
tor
cap off. Stop the
engine,
drain
solution, refill
with
clear
wat
er.
••
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