2. Before stopping the machine, remove all loads from it and then turn it off. If the

4. The rectifier element is perforated. There is no output D.C.

Replace the rectifier with a new one.

5. The field winding is shorted or open circuit.

Check the field winding connections or replace them.

6. Poor contact between the brush and the release ring

If the brush is worn and the spring pressure is not good, the brush should be replaced.

7. Loose connection or bad contact of the terminals.

Tighten the terminal nuts.

8. If the field rheostat is not set to the short circuit position, it will cause poor contact or

1. During storage, always leave the generator in a dry place. Whenever the generator is

placed on a dirt or concrete floor, it should be on a wooden base, and covered with a

layer of oil to avoid accumulation of moisture.

2. Precautionary measures should be taken to avoid dust, splashes of water, metal chips

or other foreign matter that may penetrate the generator.

3. To prevent clogging for heat to dissipate, do not leave fabrics or other materials on

the machine while it is running.

4. Care should be taken to avoid sustained overload.

5. If sparks begin to appear on the release rings or strange noises are produced during

generator operation, take corrective action immediately.