Engine : General Subjects - 699/1128
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| If a hydraulic system is in continuous operation, and is equipped with an air cooled heat exchanger, the fan should __________. |
| A) be in continuous operation as long as the main pump prime mover is in operation |
| B) come on only after the main pump prime mover is secured |
| C) be controlled by a thermostat to maintain the oil temperature at less than 190°F (87.8°C) |
| D) never be needed, except when the ambient temperature exceeds 90°F (32.2°C) |
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