| Battery | Standard Specific Gravity | 1.25 to 1.29 at 20°C (68°F) |
| Standard Voltage | 12.6 to 12.8 V at 20°C (68°F) | |
| Fuse | Standard Resistance | Below 1 Ω |
| Charging circuit without load | Standard Current | 10 A or higher |
| Standard Voltage | 13.2 to 14.8 V | |
| Charging circuit with load | Standard Current | 30 A or higher |
| Generator with vacuum pump assembly | Maximum backlash | 1.6 mm (0.0630 in.) |
| Brush length | Standard exposed brush length | 9.5 to 11.5 mm (0.374 to 0.453 in.) |
| Minimum exposed brush length | 4.5 mm (0.177 in.) |
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| Slip ring - Slip ring | 20°C (68°F) | 2.1 to 2.5 Ω |
| Rotor core - Slip ring | Always | 10 MΩ or higher |
| Slip ring diameter | Standard diameter | 14.2 to 14.8 mm (0.559 to 0.583 in.) |
| Minimum diameter | 14.0 mm (0.551 in.) |
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| Coil lead - Coil lead | Always | Below 1 Ω |
| Coil lead - Generator drive end frame | Always | 10 MΩ or higher |
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| Terminal B - One polarity | Always | Below 1 Ω |
| Terminal B - Other polarity | Always | 10 MΩ or higher |
| Negative (-) terminal - One polarity | Always | Below 1 Ω |
| Negative (-) terminal - Other polarity | Always | 10 MΩ or higher |
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| Terminal F - Terminal B | Always | Below 1 Ω or higher than 10 MΩ |
| Terminal F - Terminal E | Always | Below 1 Ω or higher than 10 MΩ |