Parts Replacement: Reassembly
The alternator is reassembled by reversing the order of disassembly procedure.
SPECIFICATIONS
| Alternator Test Data | Alternator Model No. | ||
|---|---|---|---|
| A 12 M 124/12/42M | A 12 M 124/12/47 | A 12 M 124/12/60 | |
| Cut-in Speed at 12V (68°F) | 1000 ± 50 RPM | 1050 ± 50 RPM | 1200 + 50 RPM |
| Current Output @ 14V @ Battery | 42A min. | 47A min. | 60A min. |
| Max. Output Current (Approx.) | 53 Amp. | 58 Amp. | 75 Amp. |
| Max. Alternator Continuous RPM | 13, 000 | 13, 000 | 13, 000 |
| Field Winding Resistance @ 68°F | 4.5 ±.1 Ohms | 4.5 ±.1 Ohms | 2.7 ±.05 Ohms |
| Field Resistance Pin 67 and Ground @ 500 RPM - Ohms @ 68°F | 4.6 +.2,-.1 | 4.6 +.2,-.1 | 2.8 +.2, -.1 |
| Direction of Rotation | Reversible | Reversible | Reversible |
| Stator Winding (Single) Ohms @ 68°F | .11 ±.005 | 062 ±.003 | 28 ±.015 |
| Diode Specifications | |||
| Direct Current, Continuous (300°F) | 20 Amps. D.C. | ||
| Direct Current, Peak (300°F) | 25 Amps. D.C. | ||
| Inverse Voltage | 150V D.C. min. | ||
| Max. Operation Temperature | 414°F | ||
| Voltage Drop - 25A D.C. @ 77°F | 1.2 volt max. | ||
| Inverse Current - 25 volts D.C. @ 300°F | 2 mA | ||