N04C-US CHARGING SERVICE DATA

Battery Standard specific gravity 1.25 to 1.29 at 20°C (68°F)
Standard voltage 24.0 to 25.0 V at 20°C (68°F)
Charging circuit without load. Standard current 10 A or less
Standard voltage 26.0 to 29.6 V
Charging circuit with load. Standard current 30 A or higher

Generator rotor assembly

(for 60 A)

Standard resistance Slip ring - Slip ring 10.6 to 11.4 Ω at 20°C (68°F)
Slip ring - Rotor core 10 kΩ or higher
Diameter Standard 14.2 to 14.4 mm (0.559 to 0.567 in.)
Minimum 14.0 mm (0.551 in.)

Generator brush holder assembly

(for 60 A)

Exposed length Standard 9.5 to 11.5 mm (0.374 to 0.453 in.)
Minimum 4.5 mm (0.177 in.)

Generator drive end frame assembly

(for 60 A)

Standard resistance

P1 - Drive end frame

P2 - Drive end frame

P4 - Drive end frame

10 kΩ or higher

P1 - P3

P4 - P3

1.5 Ω or less

Generator brush holder assembly

(for 80 A)

Exposed length Standard 9.5 to 11.5 mm (0.374 to 0.453 in.)
Minimum 4.5 mm (0.177 in.)