Winter Precautions.
In winter, an anti-freezing mixture should be added to the cooling water as a
safeguard against freezing and damage to the cylinder block or the radiator.
Care-
fully follow the maker's instructions when preparing the mixture, and when topping
up
it
will be necessary to maintain this mixture.
A satisfactory anti-freezing mixture
is
Smiths "Bluecol", and in this case the
correct mixture for the coolant is
20%
Bluecol and
80%
water.
Bluecol does not evaporate and provided there are no leaks in the cooling system
it
is
only necessary to top up with water.
The boiling point of this solution is
103"
centigrade.
Before adding the anti-freeze mixture it is always advisable to check the security
of the hose connection between the engine and the radiator and other water joints.
Anti-freeze %as a very searching action and soon reveals any joint weaknesses
which unless remedied will give rise to a serious loss of coolant.
When anti-freeze has been added
it
is
a good plan to tie an anti-freeze label to
the radiator drain tap to prevent a garage employee from inadvertently draining the
solution.
If
anti-freeze is not used and no other precaution is taken, the.water should be
drained off completely when garaging the car at night during frosty weather.
There are two drain taps
;
one
is
at the bottom of the radiator and one
on the engine crankcase forward of the distributor.
When all the water has been drained the engine should be run for not more
than one minute at tick-over speed to ensure complete elimination of water from
the cyiina'er block.
It is advisable occasionally to clean out the tap apertures with a strong piece of
wire since the drain taps may become choked with sediment which will prevent
effective draining.
When the system has been drained it is
a
good plan to leave the radiator filler
cap on the driving seat as a reminder to refill the cooling system before using the
car again.
Flushing.
To ensure eficient circulation of the coolant and to reduce formation of chemical
deposits within the cooling passages, the system should be thoroughly flushed with
clean running water every
5,000
miles.
Cabin Cooling.
Sliding doors are provided on each side of the scuttle to permit cool air
to
be
admitted to the car interior.
Where temperature control unit (optional extra)
is fitted, please refer to Page
29
for instructions.
PAGE
TWENTY-THREE
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