G
GENERAL
81700·82100'82400 WSM,11770
Flush
Cooling System and Changing Coolant (Continued)
• Anti·Freeze
If
it
freezes, cooling water
can
damage
the
cylinders and
radiator. It
is
necessary,
if
the ambient temperature falls below
o
°C
(32
OF),
to
remove cooling water after operating or
to
add
anti-freeze
to
it.
1.
There are
two
types
of
anti-freeze
available;
use
the
permanent type
(PT)
for
this engi
ne.
2.
Before adding anti-freeze
for
the
first
time,
clean
the
radiator interior by pouring,fresh water and draining
it
a
few
times.
3.
The
procedure
for
mixing
of
water
and
anti-freeze
differs
according
to
the make
of
the anti-freeze and the ambient
temperature, basically
it
should
be
referred
to
SAE
J1034
standard, more specifically
also
to
SAE
J814c.
4.
Mix
the
anti-freeze
with
water, and then
fill
in
to
the
radiator.
Vol % Anti-freeze
Freezing Point
80iling Point
*
O(
of
O(
of
40
-24
-12
106
222
50
-37 -34
108 226
*
At
760
mmHgpressure (atmospheric). A higher boiling point
is
obtained
by
using a radiator
pressure
cap
which permits
the development
of
pressure
within
the cooling
system.
•
NOTE
• The
above
data
represent
industry
standards
that
necessitate a minimum glycol content in the concentrated
anti·freeze.
• When the cooling water level drops due
to
evaporation, add
water only. In
case
of
leakage, add anti·freeze and
water
in
the specified mixing ratio.
• Anti·freeze absorbs moisture.
Keep
unused anti·freeze in a
tightly
sealed container.
•
Do
not
use
radiator cleaning agents when anti·freeze
has
been added
to
the cooling water. (Anti·freeze contains
an
anti·corrosive agent, which
will
react
with
the
radiator
cleaning agent forming sludge which
will
affect the engine
parts.)
Replacing Radiator
Hose
(Water
Pipes)
1.
Replace
the
hoses
and
clamps.
See
page
G-20.
Checking Radiator
Hose
and Clamp.
Replacing
Fuel
Hose
1.
Replace
the
hoses
and clamps,
if
necessary.
See
page
G-21.
Checking
Fuel
Line.
G-24
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