STARTING SYSTEMS
Q6-24.
Which of the following components in a
conventional ignition system is designed to
open the primary ignition circuit, causing the
LEARNING OBJECTIVES: Identify the
magnetic field to collapse?
components of SE starting systems. Identify
1.
The rotor
procedures for inspecting, checking, testing,
2.
The breaker points
and adjusting SE starting system components.
3.
The capacitor
Identify procedures for troubleshooting and
4.
The ignition control unit
repairing SE starting system components.
Q6-25.
Which of the following components in a
conventional ignition system is designed to
The major components of an electrical starting
prevent arcing across the breaker points?
system are a battery, a starting motor, a switch for
controlling the starter, essential wiring, and a drive unit.
1.
The rotor
The drive unit transmits the power of the starting motor
2.
The breaker points
to the engine's flywheel ring gear.
3.
The capacitor
4.
The ignition control unit
The electrical starters used on support equipment
are remotely controlled by a push-button switch or by
Q6-26.
The timing advance is accomplished in which
an ignition switch that has a START position. An
of the following components?
electric starting system that uses a remote control
1.
The breaker points
switch is illustrated in figure 6-65.
2.
The capacitor
As a part of the drive unit, automotive equipment
3.
The distributor
starters also incorporate a means of preventing the
4.
The ignition coil
starter from being driven by the engine once the engine
Q6-27.
Which of the following is NOT an advantage
is started and is running under its own power.
of a transistorized ignition system?
1.
Higher voltage at the spark plugs
STARTING MOTOR
2.
Less battery voltage required for ignition
3.
Extended breaker point life
4.
Extended spark plug life
A dc starting motor changes electrical energy into
Q6-28.
Which of the following is NOT a test that you
mechanical energy. In a motor, a current is sent through
can perform on the primary ignition circuit?
the armature and the field. The attraction and repulsion
between the magnetic poles of the field and coil
1.
Battery-to-coil test
alternately push and pull the armature around. This
2.
Starting ignition circuit test
rotation (mechanical energy) causes the engine to
3.
Coil-to-ground test
rotate.
4.
Primary-to-secondary coil test
STARTING
IGNITION
MOTOR
SWITCH
PUSH-BUTTON
SWITCH
ASf06065
Figure 6-65.--Electric starting system.
6-53
