GENERAL UPKEEP-Lubrication
Draining
To drain the engine, gearbox and rear axle, remove the plug provided
beneath each unit. This process is assisted by opening the filler to allow
ingress of air and by draining when the oil is hot,
i.e.,
immediately after
a run.
ENGINE
Only first quality oils are recommended for use in the engine sump. These are
each of the correct viscosity and character to
afford complete
lubrication
protection.
Additives which dilute the oil or otherwise impair this protection
must not be used.
After many thousands of
miles
running the rate of oil
consumption
will increase. When the rate becomes higher than 1 gallon per
1,000 miles
(1
litre per 400 km.), it will be desirable to use the next heavier
grade of the brand of oil you normally employ.
Engine
Oil
Drain Period
The frequency of the drain period should be related to the driving
conditions to which the vehicle is subjected. A period of
3,000
miles
(5,000 km.) is recommended as the interval for average driving conditions
as defined below.
It
should be reduced for unfavourable conditions
and may
be
extended for definitely favourable conditions.
Favourable
Long distance journeys,
with
little or no engine idling, on well surfaced
roads, reasonably free from dust.
Average
Medium length journeys on well surfaced roads with a small
proportion
of stop/start operation.
Unfavourable
Any of the following
:
(a)
Frequent stop/start driving.
(b)
Operation during cold weather, especially when appreciable
engine idling is involved.
(c)
Where much driving is done under dusty conditions.
We have found the use of an upper cylinder lubricant to be an advantage,
particularly in new engines, and recommend the use of such
a
lubricant,
particularly
until
the engine is thoroughly
cc
run-in." The lubricant should
be mixed with the fuel in the proportions given on the container. Such
lubricants
may
be used with advantage throughout the life of the vehicle,
particularly during wintry weather.
13
SPORTS
CAR
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