PREVOST X3-45 Multiplex - Page 194

Repair and Testing Instructions for T1 Page 4
Alternator 0120 689 552 Edition 001
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UA/ASV 04.12.98 T1ALTFinal.DOC
10.3 COLLECTOR RING END SHIELD ASSEMBLY .........................................................................................................29
10.4 RECTIFIER ASSEMBLY........................................................................................................................................30
10.5 STATOR ASSEMBLY ...........................................................................................................................................32
10.6 ROTOR AND DRIVE END SHIELD INSTALLATION ..................................................................................................32
10.7 REGULATOR AND CAPACITOR INSTALLATION......................................................................................................33
11 FUNCTIONAL TESTING.................................................................................................................................35
11.1 GENERAL INFORMATION ....................................................................................................................................35
11.1.1 Power Output Tests...................................................................................................................................35
11.1.2 Voltage Trace Evaluation .........................................................................................................................35
11.2 POWER OUTPUT TESTING...................................................................................................................................35
11.2.1 Test Bench Mounting ................................................................................................................................35
11.2.2 Power Output Test ....................................................................................................................................36
11.3 VOLTAGE TRACE EVALUATION ..........................................................................................................................37
11.3.1 Oscilloscope Hook-up...............................................................................................................................37
11.3.2 Normal Pattern.........................................................................................................................................38
11.3.3 Open Exciter Diode ..................................................................................................................................39
11.3.4 Open Positive Rectifier Diode...................................................................................................................40
11.3.5 Open Negative Rectifier Diode .................................................................................................................41
11.3.6 Shorted Exciter Diode...............................................................................................................................42
11.3.7 Shorted Positive Rectifier Diode...............................................................................................................43
11.3.8 Shorted Negative Rectifier Diode..............................................................................................................44
11.3.9 Open Phase of Stator ................................................................................................................................45