Service Data And Specifications (SDS): Generator
Generator Service Data And Specifications
| Application | QG18DE | QR25DE |
| Type | LR180-769 | LR1100-734 |
| HITACHI | ||
| Nominal rating | 12V-80A | 12V-110A |
| Ground polarity | Negative | |
| Minimum revolution under no-load (When 13.5 volts is applied) | 1,000 rpm | 950 rpm |
| Hot output current (When 13.5 volts is applied) | 23A/1,300 rpm | 35A/1,300 rpm |
| 66A/2.500 rpm | 83A/2,500 rpm | |
| 79A/5.000 rpm | 95A/5,000 rpm | |
| Regulated output voltage | 14.1--14.7V | |
| Minimum length of brush | 6 mm (0.236 in) | |
| Brush spring pressure | 1.000 -- 3.432 N (0.102 -- 0.350 kg, 0.225 -- 0.772 lbs) | |
| Slip ring minimum outer diameter | 26.0 mm (1.024 in) | |
| Rotor (Field coil) resistance | 2.67 ohms | 2.31 ohms |