Overspeed Contactor
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| Illustration 1 | g00579191 |
(1) Lock screw
In order to lower the overspeed setting, loosen the lock screws and turn the cap. View the cap from the terminal end of the contactor. Turn the cap in the clockwise direction.
The installed overspeed settings are the following values:
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| Engine Rated Speed | Setting for Overspeed ± 25 Rpm | One-Half Of The Setting For Overspeed ± 12 Rpm |
| 900 | 1062 | 531 |
| 1000 | 1180 | 590 |
| 1200 | 1416 | 708 |
| 1225 | 1445 | 723 |
| 1300 | 1534 | 767 |
| 1500 | 1770 | 885 |
| 1800 | 2124 | 1062 |
The contacts must close at the following speed. ... 118% of the speed that is rated for the engine ± 25 rpm
Bench test
The contacts must close at the following speed. ... one-half of the setting for overspeed ± 12 rpm
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