---------------SECTION
B
1200 HOUR/2 YEAR
SERVICE
(continued)
-
Tractors
without
Coolant
Filter
With the engine cool, drain and refill the cooling
system,
.as
follows:
A
WARNING:
Coolant should be kept
off
aa
the
ski.n.
Adhere
to
the precautions out-
li111td
on
the antifreeze container.
Open
the
radiator drain cock, f:igure 70 and allow
the coolant to drain. Unscrew and remove the
drain plug, Figure 71
and
drain the coolant from
engine block. Remove the radiator cap at this stage
to
increase the drainage rate.
NOTE:
Some models may have a drain cock in
place
of
the plug shown in Figure 7
J.
If
so, open
the cock
to drain the coolant from the block.
After flushing, close
the
drain cock(s) and/or re-
place
the engine coolant drain plug. Refill
the
cooling system via
the
radiator filler tube using a
50% solution of
clean
water and
antifreeze
premixed with 5% inhibitor.
The
inhibitor is avail-
able from Ford New Holland dealers under the
part No.
FW-15.
It
is
supplied
in
16
fl.
oz. (473
ml) bottles, the side
of
the.bottle being marked in 1
fl.
oz.
increments.
IMPORT
ANT:
Anti-leak
additives should be
avoided. The clogging properties
of
these addi-
tives could affect the performance
of
the filter.
Mix FW-15 inhibitor with clean water and pcnn'a-
nent antifreeze in the following proportions:
Water
Antifreeze
Inhibitor
U.S. Gal. 1.0
1.0
13
oz.
Imp. Gal.
1.0
1.0 16
oz.
Litres
4.0
4.0
12 oz.
Check that the coolant level is flush with the indi-
cator at the bottom
of
the filler tube
(sec
Operation
5). See Section C for cooling system capacity,
clean water properties
and antifreeze specifica-
tion.
NOTE:
To
avoid trapping air in the system.fill the
radiator as slowly as practicable thereby allowing
any air pockets to disperse.
Start and run the engine to circulate the coolant.
Stop the engine and top up the radiator with the
same solution
of
clean water,
antifree:1..c
and in-
hibitor.
NOTE: The coolant level may drop as it is
pumped around the cooling system.
A
WARNING:
The cooling system
oper-
41A
ates under pressure which is controlled
by
the radiator cap. It is dangerous to remove
tlze
cap while the system
is
hot. Use a thick cloth and
turn the cap slowly to the first stop and allow
the pressure
to
escape before fully removing the
cap. Coolant should be kept
off
the skin. Adhere to
the precautions outlined on the antifreeze and in-
hibitor containers.
IMPORTANT:
It is essential that a Ford New
Holland approved cap
is used.
If
the cap is mislaid
or
damaged, obtain a replacement from your
Ford New Holland dealer.
If
the engine is not going to
be
operated immedi-
ately following this coolant change, run the engine
for one hour
to
ensure that the chemical inhibtor is
dispersed throughout the cooling system. Allow
the engine
to cool and make a final check
lo
ensure
that
the
coolant level is satisfactory.
29
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