Inspect Charging Circuit Without Load

HINT:

If a battery/generator tester is available, connect the tester to the charging circuit as permanufacturer's instructions, (a) If a tester is not available, connect a voltmeter to the charging circuit as follows:

• Disconnect to the wire from terminal B of the generator and connect it to the negative {-) lead of the ammeter.

Ammeter

Battery

Disconnect Wire from Terminal B

Ammeter

Disconnect Wire from Terminal B

Generator

Voltmeter

Generator

Voltmeter cwm

Connect the positive {+) lead of the ammeter to terminal B of the generator.

Connect the positive (+) lead of the voltmeter to terminal B of the generator. Ground the negative (-) lead of the voltmeter, (b) Check the charging circuit as follows:

With the engine running from idle to 2,000 rpm, check the reading on the ammeter and voltmeter. Standard amperage: 10A or less Standard voltage: 13.2 -14.8 V If the voltmeter reading is more than standard voltage, replace the voltage regulator.

If the voltmeter reading is less than the standard voltage, check the voltage regulator and generator as follows:

With terminal F grounded, start the engine and check the voltmeter reading of terminal B. If the voltmeter reading is more than standard voltage, replace the voltage regulator. If the voltmeter reading is less than standard voltage, check the generator. 9. INSPECT CHARGING CIRCUIT WITH LOAD

(a) With the engine running at 2,000 rpm, turn on the high beam headlights and place the heater blower switch at "H".

(b) Check the reading on the ammeter. Standard amperage: 30 A or more

If the ammeter reading is less than standard amperage, repair the generator.

HINT:

If the battery is fully charged, the indication will sometimes be less than standard amperage.

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