COOLING SYSTEM
Anti-freeze solutions
Anti-freeze can remain in the cooling system for two years provided that the
specific gravity of the coolant is checked periodically
and
anti-freeze added as
necessary. This operation should be carried out by an authorized Distributor
or Dealer.
After the second winter the system should be drained and refilled with fresh
water, and the appropriate amount of anti-freeze added when required.
Only anti-freeze of the ethylene glycol or glycerine type is suitable for use in
the cooling system. We recommend owners to use Bluecol Anti-freeze (non-
corrosive) in order to protect the cooling system during frosty weather and
reduce corrosion to a minimum. We also approve the use of any anti-freeze
which conforms to Specification B.S.3151 or B.S.3152.
The correct quantities of ant i-freeze for different degrees of frost protection
are:
- - -
Absolute Commences
safe limit f reezing at
Solution
Quantity
of
anti-freeze required
o C.
OF.
0c.
o f .
(%)
- 19
- 3 - 9
16
20
2 pts. (2'4 U.S.
pts., 1·1 litres)
- 26
- 15
- 13 9 25
2! pts. (3'0 U.S.
pts., 1-42Iitres)
- 33 - 28 - 16
3 30
3 pts. (3,6 U.S. pts., 1·
71
litres)
I
I
Before adding anti-freeze mixture to the radiator it is advisable to clean
out the cooling system thoroughly by flushing
out
the passages with a hose
inserted in the filler cap while keeping the drain taps open.
Only top up when the cooling system is at its normal running temperature,
in order to avoid losing anti-freeze due to expansion.
Make sure t
hat
the cooling system is water-tight, examine all joints, and
replace any defective rubber hose with new.
Draining the cooling system
There are two drain taps provided, one on the radiator bottom tank and the
other on the left-hand side of the cylinder block. To drain the coolant stand the
car on level ground and open
both
taps.
When draining in freezing weather, do so when the engine is hot. Run the
engine slowly for one minute when the water has ceased flowing to clear any
water from the
pump
and other places where it might collect. Finally, leave a
reminder on the vehicle to the effect that the cooling system has been drained .
If
the system contains anti-freeze remember to collect it in a clean container
for future use.
Filling the cooling system
To avoid wastage by overflow add
just
sufficient cool
ant
to cover the bottom
of the header tank.
Run
the engine until it is
hot
and add sufficient coolant
to bring the surface to the level of the indicator positioned inside the header
tank below the filler neck.
18
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