Service Specifications
| 1.4 KW Type Specifications | Brush Length | Standard | 0.610 Inch (in) |
| Minimum | 0.394 Inch (in) | ||
| Brush Spring Installed Load | Standard | 4.0 - 5.3 Pound-Force (lbf) | |
| Minimum | 2.6 Pound-Force (lbf) | ||
| Commutator Diameter | Standard | 1.181 Inch (in) | |
| Minimum | 1.142 Inch (in) | ||
| Commutator Undercut Depth | Standard | 0.024 Inch (in) | |
| Minimum | 0.008 Inch (in) | ||
| Commutator Circle Runout | Maximum | 0.0020 Inch (in) | |
| Magnetic Switch Contact Plate Wear | Maximum | 0.035 Inch (in) | |
| 2.0 KW Type Specifications | Brush Length | Standard | 0.591 Inch (in) |
| Minimum | 0.354 Inch (in) | ||
| Brush Spring Installed Load | Standard | 4.9 - 6.2 Pound-Force (lbf) | |
| Minimum | 2.9 Pound-Force (lbf) | ||
| Commutator Diameter | Standard | 1.378 Inch (in) | |
| Minimum | 1.339 Inch (in) | ||
| Commutator Undercut Depth | Standard | 0.028 Inch (in) | |
| Minimum | 0.008 Inch (in) | ||
| Commutator Circle Runout | Maximum | 0.0020 Inch (in) | |
| Magnetic Switch Contact Plate Wear | Maximum | 0.035 Inch (in) | |
| Field Frame Shunt Coil Resistance | 1.5 - 1.9 at 68 Ohms At Degrees Fahrenheit (ohms @ deg F) |