| OVERHEATING (continued) |
CAUSE | CHECK AND REMEDY |
High room temperature. | Improve ventilation. |
Insufficient circulation. | Provide |
Low power factory. | Reduce inductive loads or install power factor im- |
| provement capacitors. |
Unbalanced load | The load on each leg should be as evenly balanced |
| as possible and should not exceed the rated cur- |
| rent on any leg. |
Dry bearing. | Replace bearing. |
| MECHANICAL NOISE |
CAUSE | CHECK AND REMEDY |
Defective bearing. | Replace bearing. |
Rotor scrubbing on stator. | Bad bearing; replace. Bent shaft, return to factory. |
| Loosen end bell, tighten; loose drive discs, tighten. |
Loose laminations. | Return to factory. |
Loose or misaligned coupling. | Tighten or align. |
GENERATOR FRAME PRODUCES SHOCK WHEN TOUCHED | |
CAUSE | CHECK AND REMEDY |
Static charge. | Ground generator frame. |
Grounded armature or field coil. | Return to factory for repair. |
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