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COVER AS 3727804 - Caterpillar



3727804 COVER AS Caterpillar parts COVER
Rating:
36
Alternative (cross code) number:
CA3727804
372-7804
3727804
Caterpillar 3727804 COVER AS
Weight: 62 pounds 28 kg.

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Illustration 1 g03279456
Diode Assembly (1) Terminal (2) Terminals
Remove the diode assembly from the alternator.
Set the multimeter to the diode scale.
Connect the multimeter leads across terminal (1) and one terminal (2) .
Record the multimeter reading.
Reverse the multimeter leads.
Record the multimeter reading.Expected Result: One reading is "0L" and the other reading is .4 to .9 volts.Results:OK - One reading is "0L" and the other reading is .4 to .9 volts. The diode is normal. Repeat steps 3 through 6 for the other terminals (2). If all of the diodes are normal, the diode assembly is normal. STOP.NOT OK - Both readings are "00". The diode assembly is shorted. Replace the diode assembly. STOP.NOT OK - Both readings are "0L". The diode assembly is open. Replace the diode assembly. STOP.


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