| Charging circuit without load | Standard amperage: 10 A or less Standard voltage: 13.2 to 14.8 V |
| Charging circuit with load | Standard amperage: 30 A or more |
| Brush length | Standard exposed length: 9.5 to 11.5 mm (0.374 to 0.453 in.) Minimum exposed length: 1.5 mm (0.059 in.) |
| Generator rotor for open circuit | Check the rotor for circuit Standard resistance: 2.7 to 3.1 Ω at 20°C (68°F) Check the rotor for a short circuit Standard resistance: 10 kΩ or higher Standard slip ring diameter: 14.2 to 14.4 mm (0.559 to 0.567 in.) Minimum slip ring diameter: 12.8 mm (0.504 in.) |
| Generator with vacuum pump | Maximum backlash: 1.6 mm (0.063 in.) |
| Drive end frame for circuit Drive end frame for ground |
Standard resistance: Below 1 Ω Standard resistance: 10 kΩ or higher |