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Cranking System Cranking System chapter 30

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chapter 30. Cranking System. FIGURE 30.1 A typical solenoid-operated starter. FIGURE 30.2 Some column-mounted ignition switches act directly on the electrical ignition switch itself, whereas others use a link from the lock cylinder to the ignition switch. - PowerPoint PPT Presentation

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Page 1: Cranking System

Cranking SystemCranking System

chapter 30

Page 2: Cranking System

chapter 30Cranking System

FIGURE 30.1 FIGURE 30.1 A typical solenoid-operated starter.A typical solenoid-operated starter.

Page 3: Cranking System

chapter 30Cranking System

FIGURE 30.2 FIGURE 30.2 Some column-mounted ignition switches act directly on the electrical Some column-mounted ignition switches act directly on the electrical ignition switch itself, whereas others use a link from the lock cylinder to the ignition ignition switch itself, whereas others use a link from the lock cylinder to the ignition switch.switch.

Page 4: Cranking System

chapter 30Cranking System

FIGURE 30.3 FIGURE 30.3 To prevent the engine from cranking, an electrical switch is usually installed To prevent the engine from cranking, an electrical switch is usually installed to open the circuit between the ignition switch and the starter solenoid.to open the circuit between the ignition switch and the starter solenoid.

Page 5: Cranking System

chapter 30Cranking System

FIGURE 30.4 FIGURE 30.4 A typical starter motor showing the drive-end housing.A typical starter motor showing the drive-end housing.

Page 6: Cranking System

chapter 30Cranking System

FIGURE 30.5 FIGURE 30.5 A theft deterrent indicator lamp of the dash. A flashing lamp usually A theft deterrent indicator lamp of the dash. A flashing lamp usually indicates a fault in the system, and the engine may not start.indicates a fault in the system, and the engine may not start.

Page 7: Cranking System

chapter 30Cranking System

FIGURE 30.6 FIGURE 30.6 Voltmeter hookups for voltage drop testing of a solenoid-type cranking Voltmeter hookups for voltage drop testing of a solenoid-type cranking circuit.circuit.

Page 8: Cranking System

chapter 30Cranking System

FIGURE 30.7 FIGURE 30.7 Voltmeter hookups for voltage drop testing of a Ford cranking circuit.Voltmeter hookups for voltage drop testing of a Ford cranking circuit.

Page 9: Cranking System

chapter 30Cranking System

FIGURE 30.8 FIGURE 30.8 To test the voltage drop of the battery cable connection, place one To test the voltage drop of the battery cable connection, place one voltmeter lead on the battery terminal and the other voltmeter lead on the cable end voltmeter lead on the battery terminal and the other voltmeter lead on the cable end and crank the engine. The voltmeter will read the difference in voltage between the and crank the engine. The voltmeter will read the difference in voltage between the two leads, which should not exceed 0.20 volt (200 millivolts).two leads, which should not exceed 0.20 volt (200 millivolts).

Page 10: Cranking System

chapter 30Cranking System

FIGURE 30.9 FIGURE 30.9 A starter amperage tester uses an amp probe around the positive or A starter amperage tester uses an amp probe around the positive or negative battery cables.negative battery cables.

Page 11: Cranking System

chapter 30Cranking System

FIGURE 30.10 FIGURE 30.10 The starter is located under the intake manifold on this Cadillac North star The starter is located under the intake manifold on this Cadillac North star engine.engine.

Page 12: Cranking System

chapter 30Cranking System

FIGURE 30.11 FIGURE 30.11 A shim (or half shim) may be needed to provide the proper clearance A shim (or half shim) may be needed to provide the proper clearance between the flywheel teeth of the engine and the pinion teeth of the starter.between the flywheel teeth of the engine and the pinion teeth of the starter.