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Ferguson Tractor TO-20 Operation and Maintenance Manual

COOLING SYSTEM (Cont'd)
WATER PUMP
Impeller-type, with double row of
sealed, pre-lubricated bearings which require no
lubrication by owner.
"Inspect
radiator hose
regularly to
prevent leaks."
CARE OF COOLING SYSTEM So£ t water or rain
water is preferable. Water containing alkalies,
acid, salt or other impurities hastens rust and
scale formation (also induced when engine is
overheated). To prevent corrosive action, use a
recommended rust inhibitor.
Clean and flush cooling system twice each year,
preferably in fall before addition of antifreeze,
and again in the spring (when antifreeze is re-
placed with clear water). Here are necessary steps
in adequate cleaning :
1 . Run engine until warm to stir up any ac-
cumulation of rust, sludge or se!'.liment.
2. Stop engine, remove filler cap and drain be-
fore foreign matter can settle (drain taps are
located at bottom of radiator and on right
side of cylinder block).
3. Close drain taps and fill system with Bushing
solution composed of Y,. pound of washing
After loosening
rodiotor
cap
to
prevent a vacuum,
woter
is
drained
from
the
bottom
of
the
radiator
and
from the right
front side
of the
engine block.
?4
soda per quart of water (i.e. 2� pounds of
soda).
4.
Replace cap and run engine 30 minutes.
5. Again drain and close drain plugs.
6. Add fresh water. Run engine to permit com-
plete circulation for several minutes.
7. Stop engine and drain.
8.
Fill
radiator with water or, if cold weather,
with water and recommended antifreeze.
Cleon
clogged
radiator
fins
of
dust, dirt or bugs,
with an air
hose
or, in stubborn
cases, use a
brush.
When straightening bent fins, use care not to
damage tubes or break bond between fins and
tubes.
ANTIFREEZE
If
using a permanent-type anti-
freeze, be sure all hose connections are tight or
replace with new hose. (Antifreeze will leak
where water will not.) Use only recommended
antifreeze solutions. These solutions are
not
rec-
ommended: calcium chloride., honey, glucose,
sugar, kerosene or oils.
Warning: Never run engine with cooling sys-
tem empty. Avoid filling with cold water when
engine is very hot. (If necessary, run engine at
idling speed and add cold water
very slowly.)