1930 Cadillac Brochure Front Cover - GM Heritage Center

therefore, until the necessary preliminary steps have been taken.
The following, in their proper order, are the various steps that
must be performed to start the engine:
Fig. 6. The starter pedal is only one
of the controls that must be used to
start the engine.
1. Place the throttlelever
about one-fourth the
way down from the idling
position.
2. See that the spark
control button is all the
way in.
3. Switch on the ignition.
4. Make sure that the
transmission control lever
is in neutral.
5- Unless the engine is still warm, pull back the choke
button/ If the engine is still warm, do not pull back the choke
button unless the engine fails to start on the normal mixture.
6. Push the starter pedal forward and hold it until the engine
starts. Release it immediately as soon as the engine starts.
(See below for probable causes for the engine failing to start.)
7. Push the choke button partly in as soon as the engine
starts, and all the way in as soon as the engine is warm enough
to permit it.
8. Note whether pressure is indicated on the oil pressure
gauge and stop the engine at once if no pressure is indicated.
9- Move the throttle lever up to the idling position as soon
as the engine is warm enough to permit it.
In cold weather, disengage the clutch before pressing down
the starter pedal, and hold it down during the cranking operation.
This relieves the starter of the necessity of turning the
[H]
transmission gears, which are immersed in lubricant. The
additional load is small in warm weather when the lubricant is
thin, but in cold weather the power required to turn the gears
through the thickened lubricant adds unnecessarily to the
demand upon the battery.
What To Do If The Engine Fails To Start
If the engine fails to start after being cranked for a few seconds,
release the starter pedal and investigate the following
possible causes:
The ignition may be switched off.
There may be no gasoline in the tank in the rear of the car.
There may be no gasoline in the vacuum tank on the dash.
If the fuel supply should give our on the road, so that the vacuum
tank on the dash becomes empty, it will be necessary after
refilling the tank to add gasoline to the vacuum tank.
The carburetor may be flooded by unnecessary use of the
enriching device when the engine is warm. To get rid of this
surplus gasoline in the carburetor open the throttle wide, and,
with the ignition switched off, hold the starter pedal down for
10 to 15 seconds. Then return the throttle lever to the usual
position for starting, switch on the ignition and try again to
start the engine.
Oil Pressure Gauge
The small dial at the left of the
clock is the oil pressure gauge.
This gauge does not indicate the
quantity of oil in the engine. It
indicates only the pressure under
which the oil is forced to the
engine bearings.
When the engine is not running,
the pointer on the oil pressure
[151
F/g. 7. The oil gauge does hot
indicate quantity; it only shows
the pressure under which oil is
forced to the engine bearings.