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Summary Engines

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Summary of 101 pages for the course Engines at UBC (Very informative)

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  • July 8, 2021
  • 101
  • 2020/2021
  • Summary
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henrymugisa
AUTOMOTIVE ELECTRICAL CIRCUITS AND WIRING
INTRODUCTION

CHARGING CIRCUIT

BATTERY CONSTRUCTION

BATTERY CASE, COYER, AND CAPS.

BATTERY CAPACITY

BATTERY CHARGING

PLACING NEW BATTERIES IN SERVICE

BATTERY MAINTENANCE

CLEANING THE BATTERY AND TERMINALS.

BATTERY TEST

CELL VOLTAGE TEST.

GENERATORS

REGULATION OF GENERATOR OUTPUT

GENERATOR MAINTENANCE

GENERATOR REPAIR

ARMATURE TEST.

ALTERNATORS

RECTIFIER ASSEMBLY.

ALTERNATOR OUTPUT CONTROL

ALTERNATOR TESTING

CHARGING SYSTEM TEST

CIRCUIT RESISTANCE TEST

STARTING CIRCUIT

PINION DRIVE ASSEMBLY

FIELD FRAME


AUTOMOTIVE ELECTRICAL CIRCUITS AND WIRING 1/ 101

,NEUTRAL SAFETY SWITCH

STARTING MOTOR CIRCUIT TESTS

IGNITION CIRCUIT

IGNITION COIL

IGNITION DISTRIBUTOR

SPARK PLUG

SPARK PLUG WIRES

ELECTRONIC IGNITION SYSTEM

IGNITION TIMING DEVICES

IGNITION SYS TEM MAINTENANCE

A SPARK PLUG WIRE RESISTANCE TEST

ELECTRONIC IGNITION DISTRIBUTOR SERVICE

LIGHTING CIRCUIT

HEADLIGHTS HEADLIGHT SWITCH

DIMMER SWITCH

BLACKOUT LIGHTS

TURN-SIGNAL SYSTEMS

EMERGENCY LIGHT SYSTEM

INSTRUMENTS, GAUGES, AND ACCESSORIES

FUEL GAUGE

TEMPERATURE GAUGE

MECHANICAL SPEEDOMETERS AND TACHOMETERS

WINDSHIELD WIPERS

WIRING ASSEMBLIES

WIRE TERMINAL ENDS

WIRE SUPPORT AND PROTECTION


AUTOMOTIVE ELECTRICAL CIRCUITS AND WIRING 2/ 101

, AUTOMOTIVE ELECTRICAL CIRCUITS AND WIRING


INTRODUCTION

Learning Objective: Identify charging, starting, ignition, and accessory-circuit
components, their functions, and maintenance procedures. Identify the basic types of
automotive wiring, types of terminals, and wiring diagrams.

The electrical systems on equipment used by the Navy are designed to perform a
variety of functions. The automotive electrical system contains five electrical circuits.
These circuits are as follows (fig. 2-1):

Charging circuit
Starting circuit
Ignition circuit
Lighting circuit
Accessory circuit

Electrical power and control signals must be delivered to electrical devices reliably
and safely so electrical system functions are not impaired or converted to hazards. This
goal is accomplished through careful circuit design, prudent component selection, and
practical equipment location. By carefully studying this chapter and the preceding
chapter, you will understand how these circuits work and the adjustments and repairs
required to maintain the electrical systems in peak condition.




AUTOMOTIVE ELECTRICAL CIRCUITS AND WIRING 3/ 101

, Figure 2-1.- Electrical circuits.

CHARGING CIRCUIT


Learning Objective: Identify charging-circuit components, their functions, and
maintenance procedures.

The charging system performs several functions, which are as follows:

It recharges the battery after engine cranking or after the use of electrical accessories
with the engine turned off.

It supplies all the electricity for the vehicle when the engine is running.

It must change output to meet different electrical loads.

It provides a voltage output that is slightly higher than battery voltage.

A typical charging circuit consists of the following:

BATTERY- provides current to energize or excite the alternator and assists in
stabilizing initial alternator output.

ALTERNATOR or GENERATOR- uses mechanical (engine) power to produce
electricity.

ALTERNATOR BELT- links the engine crankshaft pulley with alternator/ generator
pulley to drive the alternator/ generator.

VOLTAGE REGULATOR- ammeter, voltmeter, or warning light to inform the
operator of charging system condition.



STORAGE BATTERY

The storage battery is the heart of the charging circuit (fig. 2-2). It is an
electrochemical device for producing and storing electricity. A vehicle battery has
several important functions, which are as follows:

It must operate the starting motor, ignition system, electronic fuel injection system,
and other electrical devices for the engine during engine cranking and starting.

It must supply ALL of the electrical power for the vehicle when the engine is not
running.




AUTOMOTIVE ELECTRICAL CIRCUITS AND WIRING 4/ 101

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