Grfe Charging Service Data


Standard specific gravity

1.25 to 1.29 at 20°C (68°F)

Charging circuit with load

Standard amperage

30 A or more

Generator brush holder assembly

Brush length

Standard length

9.5 to 11.5 mm (0.374 to 0.453 in.)

Minimum length

4.5 mm (0.177 in.)

Generator rotor assembly

Standard resistance

Slip ring

2.3 to 2.7 Q at 20°C (68°F)

Slip ring - Rotor core

1 MQ or higher

Slip ring diameter

Standard diameter

14.2 to 14.4 mm (0.559 to 0.567 in.)

Minimum diameter

14.0 mm (0.551 in.)

DIY Battery Repair

DIY Battery Repair

You can now recondition your old batteries at home and bring them back to 100 percent of their working condition. This guide will enable you to revive All NiCd batteries regardless of brand and battery volt. It will give you the required information on how to re-energize and revive your NiCd batteries through the RVD process, charging method and charging guidelines.

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