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What is the function of the Transmission?
It is that part of the mechanism of an automobile which lies between the crank
shaft and the drive shaft and by which one is enabled to move at different speeds
from the other. It is the speed gear of the car. It sends the car forward at
low and high speeds and by it the car is reversed.
What is meant by the term"Planetary Transmission?" Answer No. 70
One in which the groups of gears always remain in mesh and revolve around a
main axis. The different sets of gears are brought into action by stopping
the revolution of the parts which support the gears. By means of bands (similar
to brake bands) the rotation of the different parts is stopped. The planetary
transmission is the simplest and most direct means of speed control —and is
a distinct advantage of the Ford car.
What is the purpose of the Clutch?
If the crank shaft of the engine ran without break straight through to the
differential—and through it applied its power direct to the rear wheels—the
car would start forward immediately upon the starting of the engine (were
it possible to get it started under such conditions). To overcome this difficulty
the shaft is divided and by means of the clutch the part of the shaft to
which the running engine is delivering its power is enabled to take hold
of the unmoving part gradually and start the car without jolt or jar. The
forward part of the shaft is referred to as the crank shaft, the rear part
as the drive shaft.
How is the
Clutch controlled? Answer No. 72
By the left pedal at the driver's feet (see Answer No. 10). If the clutch pedal,
when pushed forward into slow speed, has a tendency to stick and not come back
readily into high, tighten up the slow speed band as directed in Answer No.
74. Should the machine have an inclination to creep forward when cranking,
it indicates that the clutch lever screw which bears on the clutch lever cam
has worn, and requires an extra turn to hold the clutch in neutral position.
When the clutch is released by pulling back the hand lever the pedal should
move forward a distance of 1%" in passing from high speed to neutral.
See that the hub brake shoe and connections are in proper order so that the
brake will act sufficiently to prevent the car creeping very far ahead. Also
be sure the slow speed band does not bind on account of being adjusted too
tight. Don't use a too heavy grade of oil in cold weather as it will have a
tendency to congeal between the clutch discs and prevent proper action of the
clutch.
How is the
Clutch adjusted? Answer No. 73
Remove the plate on the transmission cover under the floor boards at the driver's
feet. Take out the cotter key on the first clutch finger and give the set screw
one-
half to one complete turn to the right with a screw-driver. Do the same to
the
other finger set screws. But be sure to give each the same number of turns
and
don't forget to replace the cotter key. And after a considerable period of
service
[ 31]
Answer No. 69