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Section O
GENERAL LUBRICATION
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filled with 10-W oil at the factory, and it is recommended
that this be used for the first 500 miles.
At the end of the
first 500 miles the Crankcase should be drained-when hot-and refilled
to the proper level with the
recommended oil.
LUBRICATION AFTER 500 MILES
After the first 500
miles the Crankcase oil should be selected to give the best
performance under the climatic and
driving conditions, in the territory in
which the car is driven.
Fall-Winter-Spring
During the colder months of the year, an oil
which will permit easy starting
at the lowest atmospheric
temperature likely to be encountered
should be used.
When the Crankcase is
drained and refilled, the
Crankcase oil should be selected, not on the basis
of the existing temperature at
the time of the change, but
on the lowest temperature anticipated
for the period during which the
oil is to be used.
Unless the Crankcase oil is selected on the basis
of viscosity or fluidity at the
anticipated temperature,
difficulty in starting will be experienced at each sudden drop in
temperature.
The viscosity grade of
Crankcase oil will, therefore,
depend upon the climatic conditions under
which the car is operated. The
grades best suited for use
in an engine at the various temperatures
are shown in the following
tables:
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The selection of the proper lubricant and its
correct application at regular
intervals does much to increase the life and operation of all
moving parts of the car.
Consequently it is important that
the correct grade of oil or
grease, as noted in the following pages, be used.
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ENGINE LUBRICATION
Proper selection of the oil to be used will add
much to the performance,
reliability, economy and
long life of the engine.
It is imperative that the recommended light oils
be used in the engine during the
"breaking-in" period.
Light oils assure a better "breaking-in" of the
engine, as they assure ease of
starting the engine;
prompt flow of a sufficient quantity of oil to the
bearings: less friction between
moving parts; less wear of moving parts, etc.
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OIL GAUGE
When starting a cold engine, it will be noted
that the oil gauge on the
instrument panel registers
a high oil pressure. As the
engine warms up, the
pressure will drop until it reaches a point where
changes to higher speeds will
raise the pressure very
little, if at all.
If the oil pressure registers abnormally high
after the engine is thoroughly
warmed up, an inspection should be made to ascertain if the oil lines
and passages are "plugged"
up.
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If you
anticipate that the lowest atmospheric temperature will be
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LUBRICATION FIRST 500 MILES
The engine
Crankcase of new cars and trucks is
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10-W oil plus 10% kerosene is recommended only for those territories
where the temperature falls below
10 degrees below zero for protracted
periods.
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