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Our experience has shown that Whitmore Compound No. 45 has a consistency of warm tar when used in
territories that are subject to temperatures of more than five below zero. Unlike the common cylinder oil and
grease, it is still an excellent lubricant when in this state and the heat of the motor soon brings it back to its normal
condition.
As a precautionary measure, we recommend increasing the quantity slightly, (adding about one pound more
than usual) or thinning it by the addition of a compound of slightly lighter weight.
In extremely cold weather, pour into the transmission about one pint of ordinary engine oil, and into the rear
axle housing about one-half pint. Unless you make sure that you have a sufficiently light weight lubricant in the
transmission, you will experience a stiffness in gear shifting that will be annoying.
There is a separate grease cup for the lubrication of the pinion shaft housing. This, of course, is located
immediately in front of the differential carrier in the rear axle. In very cold weather, the lubricant in the pinion
shaft housing does not get agitated as much as that in the rear axle and is consequently of less value. It is therefore
essential that this grease cup be given careful and frequent attention during the winter' months, using a light
weight of Whitmore Compound so there will be no tendency for it to congeal.
Cold weather offers certain problems to all winter motorists. These are not much of a handicap to the man of
experience, but are often troublesome to the novice. Naming these troubles in the order of their importance, we
have: first, hard starting; second, danger of freezing the circulating system, with consequent breakage of cylinder
water jackets, radiator or pump, third, faulty lubrication, due to the sluggish action of lubricants in cold weather;
and fourth, the increased attention required by the storage battery.
These four general conditions cover everything motor car owners have to contend with. We wish to briefly
outline a way to minimize your inconvenience during the winter months.
Use only a good grade of gasoline, 70 specific gravity or better. A poor grade, that is, gasoline of low specific
gravity, does not readily volatilize in cold weather.
Get the habit of accelerating the motor and closing the choke when you turn the switch off so that the motor
will draw in a full charge of gas. It is remarkable how long this charge of rich mixture remains after the motor has
stopped and how it will help in starting the motor the next time it is cranked.
Do not have the throttle open too wide when cranking. By keeping the throttle only partially open, about
one-fourth on the quadrant, the suction is greater at the jet and the throttle valve constitutes an obstruction which
assists in breaking up the gasoline, or vaporizes it to a much finer degree.
A quicker start can be obtained by closing the strangler or choke valve from the dash. This has the effect of
making the suction stroke of the pistons draw pare gasoline into the manifold, which obviously helps combustion.
There is, however, more or less of a knack in operating this dash adjustment inasmuch as the shutting off of
all air may he overdone and the motor flooded with raw gas to a degree where the mixture has become so heavy it
will not ignite. A little practice will soon make you expert
How to Care for Your Automobile in the Winter
Difficulty in Starting
41
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