ENGINE AR-PRIMARY 1403555 - Caterpillar

1403555 ENGINE AR-PRIMARY Caterpillar parts CB-334D, CB-335D

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Alternative (cross code) number:
CA1403555
140-3555
1403555

Weight: 350 pounds 158 kg.

Buy ENGINE AR-PRIMARY 1403555 Caterpillar genuine, new aftermarket tractor parts with delivery
VIBRATORY COMPACTOR,

Related part:

1403555 ENGINE AR-PRIM 10R7479 R

Compatible equipment models: 1403555:

VIBRATORY COMPACTOR CB-334D CB-335D Caterpillar

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Negative Diode Check
Illustration 1 g00825570
Negative Diode Check (9) Stator leads (10) "B-" terminal (11) Stator lead connection
Disconnect all stator leads (9) from the rectifier.
Set the multimeter to the diode scale.
Connect the multimeter leads across one stator lead connection (11) and "B-" terminal (10) .
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 1 through 6 for the other stator lead connections (11). STOP.NOT OK - Both readings are "00". The diode is shorted. Replace the rectifier. STOP.NOT OK - Both readings are "0L". The diode is open. Replace the rectifier. STOP.Note: The 35 amp alternator has three negative diodes and three stator leads. The remaining alternators have four negative diodes and four stator leads.Positive Diode Check
Illustration 2 g00825571
Positive diode check (9) Stator leads (11) Stator lead connection (12) "B+" terminal
Stator leads (9) remain disconnected from the rectifier.
The multimeter remains on the diode scale.
Connect the multimeter leads across one stator lead connection (11) and "B+" terminal (12) .
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 1 through 6 for the other stator lead connections (11). STOP.NOT OK - Both readings are "00". The diode is shorted. Replace the rectifier. STOP.NOT OK - Both readings are "0L". The diode is open. Replace the rectifier. STOP.Note: The 35 amp alternator has three positive diodes and three stator leads. The remaining alternators have four positive diodes and four stator leads.Exciter Diode Check
Illustration 3 g00825576
Exciter Diode Check (2) Wire assembly (9) Stator leads (11) Stator lead connection (13) Exciter diode output
Stator leads (9) remain disconnected from the rectifier.
The multimeter remains on the diode scale.
Disconnect wire assembly (2) from the rectifier.
Connect the multimeter leads across one stator lead connection (11) and exciter diode output (13) .
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 7 for the other stator lead connections (11). STOP.NOT OK - Both readings are "00". The diode is shorted. Replace the rectifier. STOP.NOT OK - Both readings are "0L". The diode is open. Replace the rectifier. STOP.Note: The 35 amp alternator has three exciter diodes and three stator leads. The remaining alternators have three exciter diodes and four stator leads. If the alternator has four stator leads, do not test the stator lead with the black mark. The stator with the black mark lacks an exciter diode. Ignore the result for that stator lead. See Systems Operation, "Component Description" for more information on the stator