RM3660EC _V1 General _080738 SPECIFICATIONS _0391442 NR Series BATTERY / CHARGING F

SPECIFICATIONS  NR Series BATTERY / CHARGING  SERVICE DATA  


Battery Standard specific gravity 1.25 or higher at 20°C (68°F)
Standard voltage 12.3 V or higher at 20°C (68°F)
Fuse Standard resistance Below 1 Ω
Charging circuit without load Standard amperage 10 A or more
Standard voltage 13.2 to 14.8 V
Charging circuit with load Standard amperage 30 A or more

Generator brush holder assembly
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.)

Generator rotor assembly
Tester Connection Condition Specified Condition
Slip ring - Slip ring Approx. 20°C (68°F) 1.8 to 2.2 Ω
Slip ring - Rotor 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.)