A-A-52498
2.4 Floodlight head rotation. The floodlight shall be capable of being rotated horizontally 175 degrees to the left and to the right of the center of rotation. It shall also be vertically adjustable upward 60 degrees and downward 30 degrees. Friction washers shall be included to assure that the beam will maintain the vertical and horizontal direction selected by the operator.
2.5 Splash resistance. The floodlight shall conform to 2.3 and 2.4 after it has been subjected to a water of 12 hours. This shall be verified by use of SAE J575.
2.6 Salt fog. The floodlight shall not show any signs of damage after being subjected to a 5% saline atmosphere for 200 hours.
2.6.1 Switch. The switch shall be operated 1,000 times during the salt spray test, then permitted to dry for 48 hours. The switch shall be then be subjected to an additional 1,000 operations at 24 volts dc. Although water may enter the floodlight, no malfunctioning of the switch shall be observed and no water shall enter the switch.
2.7 Sand, dust and vibration. The floodlight shall conform to 2.4 when subjected to the requirements in SAE J575.
2.8 Shock resistance. The floodlight shall not be damaged when exposed to three shocks in each direction applied along three mutually perpendicular axis of the test specimen (18 shocks). The test pulse shall be as specified in figure 3. The pulse shall have a duration of 6 milliseconds and a peak value of 75 times the acceleration of gravity. Lamp shall be removed prior to testing and reinstalled after test completion.
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