GENERAL UPKEEP
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
of correct viscosity and character to afford complete lubrication protection
for normal driving.
Additives which dilute the oil or otherwise impair this
protection must
not be used.
Engine Oil Drain Period
The frequency of the drain period should be related to the driving conditions
to which the vehicle is subjected. 3,000 mile intervals are recommended for
average driving conditions as defined below.
This should be reduced for
unfavourable conditions and may be extended for those more favourable.
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.
An upper cylinder lubricant may be used to advantage, during the running-
in period of a new engine. 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.
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SPORTS CAR
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