ENGINE ELECTRICAL CIRCUITS

TM 5-2420-222-20-1

ENGINE ELECTRICAL CIRCUITS

BATTERIES (2)

Two 6volt automotive lead-acid batteries.

Connected in series for combined voltage of 12-volts.

Negative side of circuit connected by cable to ground at clutch pedal stop.

Positive side of circuit connected by cable to starter solenoid switch battery terminal.

Store electrical energy to operate electrical system components.

STARTER SOLENOID SWITCH

Mounted to starter motor.

Battery terminal connected by cable to positive side of battery circuit and output terminal of ac generator.

B terminal connected by strap to motor positive terminal.

S terminal connected by wires to starter switch negative terminal and hydraulic pump stroke control solenoid valve

positive terminal.

Grounded by mounting hardware to starter motor housing.

Engages starter motor spur gear with flywheel ring gear and energizes starter motor to crank engine, when starter

switch is pushed and range shift lever is in neutral.

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