Engine Equipment
Fig. 8 - Alarm System with Mechanical Sensing Units
STARTING SYSTEMS
ELECTRICAL STARTING SYSTEM
The electrical system on an engine generally consists
Starter Switch
of a starting motor, starting switch, battery-charging
alternator, voltage regulator, storage battery and the
To start the engine, a switch is used to energize the
necessary wiring. Additional electrical equipment may
starting motor. Release the switch immediately after
be installed on the engine at the option of the owner.
the engine starts.
Starting Motor
Battery-Charging
Alternator
The electric starting motor has an overrunning clutch
A battery-charging alternator is introduced into the
drive or a Bendix drive assembly. Bendix drive starters
electrical system to provide a source of electrical
are generally used on applications where automatic
current for maintaining the storage battery in a
starting is required, such as standby generator sets.
charged condition and to supply sufficient current to
The overrunning clutch drive starters have the
carry any other electrical load requirements up to the
solenoid mounted on the starter and have a totally
rated capacity of the alternator.
enclosed shifting mechanism.
Page 38
